| Name | Nation | Sport | Games | Notes |
|---|
| Dmitriy Gaag | Kazakhstan | Triathlon | 2000 Summer, 2004 Summer | |
| Károly Gaál | Hungary | Wrestling | 1980 Summer | |
| Göte Gåård | Sweden | Shooting | 1972 Summer | |
| Joan-Benjamin Gaba | France | Judo | 2024 Summer | |
| Kamghe Gaba | Germany | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Alejandra Gabaglio | Argentina | Table tennis | 1992 Summer | |
| Ethel Léontine Gabain | Great Britain | Art competitions | 1948 Summer | |
| Mohamed Gabal | Egypt | Volleyball | 2008 Summer | |
| László Gabányi | Hungary | Basketball | 1960 Summer, 1964 Summer | |
| Marcelle Gabarrus | France | Athletics | 1952 Summer | |
| Teymuraz Gabashvili | Russia | Tennis | 2016 Summer | |
| Walter Gabathuler | Switzerland | Equestrian jumping | 1988 Summer | |
| Peter Gabbett | Great Britain | Athletics | 1972 Summer | |
| Giulia Gabbrielleschi | Italy | Marathon swimming | 2024 Summer | |
| Andrew Gabel | United States | Short track speed skating | 1992 Winter, 1994 Winter, 1998 Winter | |
| Nagore Gabellanes | Spain | Field hockey | 1992 Summer, 1996 Summer | |
| Houssein Gaber Ibrahim | Djibouti | Swimming | 2020 Summer | |
| Eman Gaber | Egypt | Fencing | 2008 Summer, 2012 Summer | |
| Ernst Gaber | Germany | Rowing | 1928 Summer, 1932 Summer, 1936 Summer | |
| Karam Gaber | Egypt | Wrestling | 2004 Summer, 2008 Summer, 2012 Summer | |
| Matej Gaber | Slovenia | Handball | 2016 Summer, 2024 Summer | |
| Mohamed Gaber | Egypt | Wrestling | 1972 Summer | |
| Mostafa Gaber [ Wikidata ] | Volleyball | 2024 Summer | |
| Omar Gaber | Football | 2012 Summer | |
| Shirwit Gaber [ Wikidata ] | Fencing | 2024 Summer | |
| Geoff Gaberino | United States | Swimming | 1984 Summer | |
| Metod Gabršček | Yugoslavia | Canoe sprint | 1936 Summer | |
| Pierino Gabetti | Italy | Weightlifting | 1924 Summer, 1928 Summer, 1932 Summer | |
| Christine Gabillard | France | Archery | 1992 Summer | |
| Carlos Gabín | Uruguay | Basketball | 1936 Summer | |
| Lerma Gabito | Philippines | Athletics | 2000 Summer, 2004 Summer | |
| Arne Gabius | Germany | 2012 Summer | |
| Franz Gabl | Austria | Alpine skiing | 1948 Winter | |
| Gertrud Gabl | 1968 Winter, 1972 Winter | |
| Chad Gable | United States | Wrestling | 2012 Summer | |
| Dan Gable | 1972 Summer | |
| Roland Gäbler | West Germany, Germany | Sailing | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Georgeta Gabor | Romania | Artistic gymnastics | 1976 Summer | |
| Ion Gabor | Wrestling | 1972 Summer | |
| Tamás Gábor | Hungary | Fencing | 1960 Summer, 1964 Summer | |
| Antal Gáborfi | Swimming | 1928 Summer | |
| André Gaboriaud | France | Fencing | 1928 Summer | |
| Josué Gaboriaud [ Wikidata ] | Art competitions | 1928 Summer | |
| Marián Gáborík | Slovakia | Ice hockey | 2006 Winter, 2010 Winter | |
| Mohamed Ali Gabr [ Wikidata ] | Egypt | Wrestling | 2024 Summer | |
| Girmaye Gabre | Ethiopia | Boxing | 1972 Summer | |
| Fekrou Gabreselassie | 1972 Summer | |
| Gabri | Spain | Football | 2000 Summer | |
| Gabre Gabric | Italy | Athletics | 1936 Summer, 1948 Summer | |
| Gabriel | Brazil | Football | 2012 Summer | |
| Bernd Gabriel | West Germany | Wrestling | 1984 Summer | |
| Chelcia Gabriel [ Wikidata ] | Angola | Handball | 2024 Summer | |
| Leonel Gabriel | Uruguay | Water polo | 1948 Summer | |
| Luan Gabriel | Dominica | Athletics | 2012 Summer | |
| Marie-Joseph Gabriel [ Wikidata ] | France | Fencing | 1900 Summer | |
| Rosemarie Gabriel | East Germany | Swimming | 1972 Summer, 1976 Summer | |
| Ruby Joy Gabriel | Palau | Athletics | 2012 Summer | |
| Vincent Gabriel | Nigeria | 1956 Summer | |
| Wenyen Gabriel | South Sudan | Basketball | 2024 Summer | |
| Willi Gabriel | West Germany | Archery | 1976 Summer | |
| Teresa Gabriele | Canada | Basketball | 2000 Summer, 2012 Summer | |
| Eugène Gabriels | Belgium | Rowing | 1924 Summer | |
| Jan-Willem Gabriëls | Netherlands | 2004 Summer, 2008 Summer | |
| Jørgen Gabrielsen | Denmark | Shooting | 1968 Summer | |
| Romund Gabrielsen | Great Britain | Swimming | 1936 Summer | |
| Astrid Gabrielsson | Sweden | Sailing | 2012 Summer | |
| Axel Gabrielsson | Rowing | 1912 Summer | |
| Charles Gabrielsson | 1912 Summer | |
| Gunnar Gabrielsson | Shooting | 1920 Summer | |
| Peter Gabrielsson | 1992 Summer, 1996 Summer | |
| Francesco Gabriotti | Italy | Football | 1936 Summer | |
| Tachlowini Gabriyesos | Refugee Olympic Team | Athletics | 2020 Summer, 2024 Summer | |
| Rumen Gabrovski | Bulgaria | Artistic gymnastics | 1968 Summer | |
| Piotr Gabrych | Poland | Volleyball | 2004 Summer | |
| Hassen Gabsi | Tunisia | Football | 1996 Summer | |
| Felipe Gabuco | Philippines | Boxing | 1936 Summer | |
| Carlos Gabutti | Argentina | Sailing | 1992 Summer | |
| Fred Gaby | Great Britain | Athletics | 1924 Summer, 1928 Summer | |
| Paweł Gaca | Poland | Artistic gymnastics | 1952 Summer | |
| Anita Gaće | Croatia | Handball | 2012 Summer | |
| Jiří Gach | Czech Republic | Shooting | 1996 Summer, 2000 Summer | |
| Gaché [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Jean Gachet | Boxing | 1920 Summer | |
| Monika Gachevska | Bulgaria | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Andrej Gaćina | Croatia | Table tennis | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Eugeniusz Gaczkowski | Poland | Field hockey | 2000 Summer | |
| Abdel Hamid Fouad Gad | Egypt | Boxing | 1972 Summer | |
| Ahmed Gad | Rowing | 2008 Summer | |
| Hubert Gad | Poland | Football | 1936 Summer | |
| Shalva Gadabadze | Azerbaijan | Wrestling | 2008 Summer, 2012 Summer | |
| Abdulsalam Al Gadabi | Yemen | Swimming | 2008 Summer | |
| Akel Gadallah | Egypt | Football | 1992 Summer | |
| Khalid Gadallah | 1984 Summer | |
| Alim Gadanov | Russia | Judo | 2008 Summer | |
| Jorge Gaday | Argentina | Track cycling | 1988 Summer | |
| Anthony Gadd | Great Britain | Bobsleigh | 1948 Winter | |
| Knut Gadd | Sweden | Water polo | 1948 Summer | |
| Trevor Gadd | Great Britain | Track cycling | 1976 Summer | |
| Carlo Gaddi | Italy | Rowing | 1988 Summer, 1996 Summer, 2000 Summer | |
| Youssef Gaddour | Tunisia | Basketball | 2012 Summer | |
| Emily Gaddum | New Zealand | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| Peter Gade | Denmark | Badminton | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Manuel Gadea | Uruguay | Basketball | 1960 Summer, 1964 Summer | |
| Marvin Gadeau [ Wikidata ] | Monaco | Judo | 2024 Summer | |
| Olivia Gadecki | Australia | Tennis | 2024 Summer | |
| Zygmunt Gadecki | Poland | Football | 1960 Summer | |
| Tomas Gadeikis | Lithuania | Canoe sprint | 2008 Summer | |
| Hafida Gadi | France | Athletics | 2004 Summer | |
| Sofyan El Gadi | Libya | Swimming | 2008 Summer, 2012 Summer | |
| Omar Daher Gadid [ Wikidata ] | Djibouti | Athletics | 1992 Summer, 2000 Summer | |
| Jennifer Gadirova | Great Britain | Artistic gymnastics | 2020 Summer | |
| Jessica Gadirova | 2020 Summer | |
| Abdusalam Gadisov | Russia | Wrestling | 2012 Summer | |
| Jeff Gadley | United States | Bobsleigh | 1980 Winter | |
| Robert Gadocha | Poland | Football | 1972 Summer | |
| Witold Gadomski | Fencing | 1988 Summer, 1992 Summer | |
| Áron Gádorfalvi | Hungary | Sailing | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Luca Gádorfalvi | 2000 Summer | |
| Mohamed Musa Gadou | Sudan | Athletics | 1972 Summer | |
| Thierry Gadou | France | Basketball | 2000 Summer | |
| Neville Gadsden | Australia | Athletics | 1956 Summer | |
| Luke Gadsdon | Canada | Rowing | 2020 Summer | |
| Fidelis Gadzama | Nigeria | Athletics | 2000 Summer | |
| Georgi Gadzhev | Bulgaria | Equestrian dressage | 1980 Summer | |
| Magomedsalam Gadzhiev | Unified Team, Azerbaijan | Wrestling | 1992 Summer, 1996 Summer | |
| Rizvan Gadzhiev | Belarus | 2008 Summer | |
| Nasir Gadzhikhanov | North Macedonia | 2000 Summer | |
| Muslim Gadzhimagomedov | Russian Olympic Committee | Boxing | 2020 Summer | |
| Daniyal Gadzhiyev | Kazakhstan | Wrestling | 2012 Summer | |
| Magomedmurad Gadzhiev | Poland | 2016 Summer, 2020 Summer | |
| Anna Gałecka | Sailing | 2000 Summer | |
| William Gaehler | United States | Canoe sprint | 1936 Summer | |
| Jean Gaertner | Athletics, Volleyball | 1960 Summer, 1964 Summer | |
| Renato Gaeta | Italy | Rowing | 1984 Summer, 1988 Summer | |
| Emanuele Gaetani Liseo | 2024 Summer | |
| Pierre-Richard Gaetjens [ Wikidata ] | Haiti | Athletics | 1972 Summer | |
| Anton Gafarov | Russia | Cross country skiing | 2014 Winter | |
| Liliana Gafencu | Romania | Rowing | 1996 Summer, 2000 Summer, 2004 Summer | |
| Reg Gaffley | South Africa | Weightlifting | 1956 Summer | |
| Gaston Gaffney | 1956 Summer, 1960 Summer | |
| Aniqah Gaffoor | Sri Lanka | Swimming | 2020 Summer | |
| Rotem Gafinovitz | Israel | Road cycling | 2024 Summer | |
| Beatrice Gafner | Switzerland | Alpine skiing | 1988 Winter | |
| Nathan Gafuik | Canada | Artistic gymnastics | 2008 Summer, 2012 Summer | |
| Kamilla Gafurzianova | Russia | Fencing | 2012 Summer | |
| Andrei Gag | Romania | Athletics | 2016 Summer | |
| Louis Gage | United States | Boxing | 1952 Summer | |
| Robert Merrell Gage | Art competitions | 1932 Summer | |
| Tom Gage | Athletics | 1972 Summer | |
| Nico van Gageldonk | Netherlands | Road cycling | 1936 Summer | |
| Dragan Gagić | Yugoslavia | Artistic gymnastics | 1960 Summer | |
| Christophe Gagliano | France | Judo | 1996 Summer | |
| Emmanuelle Gagliardi | Switzerland | Tennis | 2000 Summer, 2008 Summer | |
| Rosetta Gagliardi | Italy | 1920 Summer, 1924 Summer | |
| Leslie Gagne | Canada | Ski jumping | 1932 Winter | |
| Marie-Pierre Gagné | Artistic swimming | 2004 Summer, 2008 Summer | |
| Norman Gagne | Ski jumping | 1936 Winter | |
| Philippe Gagné | Diving | 2016 Summer | |
| Raphaël Gagné | Cycling mountain bike | 2016 Summer | |
| Simon Gagné | Ice hockey | 2002 Winter, 2006 Winter | |
| Stéphane Gagne | France | Shooting | 2000 Summer | |
| Dave Gagner | Canada | Ice hockey | 1984 Winter | |
| René Gagnet | France | Road cycling | 1912 Summer | |
| Georgette Gagneux | Athletics | 1928 Summer | |
| Ed Gagnier | Canada | Artistic gymnastics | 1956 Summer | |
| Marc Gagnon | Short track speed skating | 1994 Winter, 1998 Winter, 2002 Winter | |
| Marc-Antoine Gagnon | Freestyle skiing | 2014 Winter, 2018 Winter | |
| Marie-Michèle Gagnon | Alpine skiing | 2010 Winter, 2014 Winter, 2022 Winter | |
| Marie-Pier Boudreau Gagnon | Artistic swimming | 2008 Summer, 2012 Summer | |
| Patrice Gagnon | Canoe slalom | 1992 Summer | |
| Sofiane Gagnon | Freestyle skiing | 2022 Winter | |
| Sylvain Gagnon | Short track speed skating | 1992 Winter | |
| Terry Gagnon | Volleyball | 1992 Summer | |
| Fernando Gago | Argentina | Football | 2008 Summer | |
| Marie-Ève Gahié | France | Judo | 2024 Summer | |
| Jean-Paul Gahimbaré [ Wikidata ] | Burundi | Athletics | 2004 Summer | |
| Heinz Gähler | Switzerland | Cross country skiing | 1976 Winter, 1980 Winter | |
| Markus Gähler | Ski jumping | 1992 Winter | |
| Beat Gähwiler | Athletics | 1988 Summer, 1992 Summer | |
| Jennie Gai | United States | Badminton | 2024 Summer | |
| Pa Mamadou Gai | The Gambia | Athletics | 1996 Summer, 2000 Summer | |
| Gai Zhiwu | China | Speed skating | 1984 Winter | |
| Amr El-Gaiar | Egypt | Shooting | 2004 Summer | |
| Sante Gaiardoni | Italy | Track cycling | 1960 Summer | |
| Daria Gaiazova | Canada | Cross country skiing | 2010 Winter, 2014 Winter | |
| Fazliddin Gaibnazarov | Uzbekistan | Boxing | 2012 Summer, 2016 Summer | |
| Adolfo Gaich | Argentina | Football | 2020 Summer | |
| Alfred Gaida | West Germany | Road cycling | 1972 Summer | |
| Murad Gaidarov | Belarus | Wrestling | 2004 Summer, 2008 Summer | |
| Christian Gaidet | France | Alpine skiing | 1988 Winter | |
| Nicolae Gaiduc | Moldova | Cross country skiing | 2018 Winter | |
| Ekaterina Gaiduk | Russia | Handball | 2012 Summer | |
| Pavel Gaiduk | Kazakhstan | Ski jumping | 1998 Winter, 2002 Winter | |
| Alexandr Gaidukov | Water polo | 2004 Summer | |
| George Gaidzik | United States | Diving | 1908 Summer, 1912 Summer | |
| Milena Gaiga | Canada | Field hockey | 1992 Summer | |
| Sergey Gaikov | Soviet Union | Canoe sprint | 1988 Summer | |
| Joanna Gail | Greece | Softball | 2004 Summer | |
| Iluta Gaile | Latvia | Luge | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Blake Gailen | Israel | Baseball | 2020 Summer | |
| Jason Gailes | United States | Rowing | 1996 Summer | |
| Francis Gailey | Swimming | 1904 Summer | |
| Didier Gailhaguet | France | Figure skating | 1972 Winter | |
| Cyril Gaillard | Cross country skiing | 2014 Winter | |
| Jacques Gaillard | Nordic combined, Ski jumping | 1972 Winter, 1976 Winter | |
| Jean-Marc Gaillard | Cross country skiing | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Meg Gaillard | United States | Sailing | 2004 Summer | |
| Virgile Gaillard | France | Football | 1900 Summer | |
| Patrice Gaille | Switzerland | Fencing | 1976 Summer, 1988 Summer | |
| Philippe Gaille | Artistic gymnastics | 1972 Summer, 1976 Summer | |
| Louis Gailliard | France | Athletics | 1936 Summer | |
| Marie-Laure Gaillot | Swimming | 1960 Summer | |
| Étienne Gailly | Belgium | Athletics | 1948 Summer | |
| Paul Gailly | Water polo | 1920 Summer, 1924 Summer | |
| Patriks Gailums | Latvia | Athletics | 2024 Summer | |
| Grete Gaim | Estonia | Biathlon | 2014 Winter | |
| Chryste Gaines | United States | Athletics | 1996 Summer, 2000 Summer | |
| Rowdy Gaines | Swimming | 1984 Summer | |
| Melinda Gainsford-Taylor | Australia | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Enrique Gainzarain | Argentina | Football | 1928 Summer | |
| Giacomo Gaioni | Italy | Track cycling | 1928 Summer | |
| Bill Gairdner | Canada | Athletics | 1964 Summer | |
| Ignisious Gaisah | Ghana | 2004 Summer, 2012 Summer | |
| Fritz Gaiser | Germany | Cross country skiing | 1936 Winter | |
| Jens Gaiser | Nordic combined | 2002 Winter, 2006 Winter | |
| Stefan Gaisreiter | West Germany | Bobsleigh | 1968 Winter, 1972 Winter | |
| Haramara Gaitán | Mexico | Badminton | 2020 Summer | |
| Natalia Gaitán | Colombia | Football | 2012 Summer, 2016 Summer | |
| Alberto Gaitero | Spain | Judo | 2020 Summer | |
| Tynia Gaither | Bahamas | Athletics | 2016 Summer, 2020 Summer | |
| Rostislav Gaitiukevich [ Wikidata ] | Russian Olympic Committee | Bobsleigh | 2022 Winter | |
| Yao Gaitor | Togo | Boxing | 1984 Summer | |
| Adele Sodalo Agnes Gaitou [ Wikidata ] | Swimming | 2024 Summer | |
| Jacques Gaittet | France | Ice hockey | 1920 Summer | |
| Gabriela Gaja | Mexico | Swimming | 1992 Summer | |
| Gabriela Gajanová | Slovakia | Athletics | 2020 Summer, 2024 Summer | |
| Pavitr Gajaseni | Thailand | Shooting | 1968 Summer, 1976 Summer | |
| Agustín Gajate | Spain | Football | 1980 Summer | |
| Bogdan Gajda | Poland | Boxing | 1976 Summer, 1980 Summer | |
| Jan Gajdoš | Czechoslovakia | Artistic gymnastics | 1928 Summer, 1936 Summer | |
| Pavel Gajdoš | 1960 Summer, 1964 Summer | |
| Ágnes Gajdos-Hubai | Hungary | Volleyball | 1976 Summer | |
| Grzegorz Gajdus | Poland | Athletics | 1996 Summer | |
| Lech Gajdziński | 1968 Summer | |
| Małgorzata Gajewska | Field hockey | 1980 Summer | |
| Andrzej Gajewski | Canoe sprint | 1996 Summer | |
| Katarzyna Gajgał-Anioł | Volleyball | 2008 Summer | |
| Milorad Gajović | Montenegro | Boxing | 2008 Summer | |
| Michał Gajownik | Poland | Canoe sprint | 2000 Summer | |
| Antoine Gakeme | Burundi | Athletics | 2016 Summer | |
| Gocha Gakharia | Georgia | Diving | 1996 Summer | |
| Amadou Gakou | Senegal | Athletics | 1964 Summer, 1968 Summer, 1972 Summer | |
| Gichere Gakungu | Kenya | Boxing | 1964 Summer | |
| Adrian Gal | Romania | Artistic gymnastics | 1992 Summer | |
| Edward Gal | Netherlands | Equestrian dressage | 2012 Summer, 2016 Summer, 2020 Summer | |
| Ernest Gal | Romania | Rowing | 1976 Summer | |
| Gyula Gál | Hungary | Handball | 2004 Summer | |
| Henrik Gál | Wrestling | 1972 Summer, 1976 Summer | |
| Jenny Gal | Netherlands, Italy | Judo | 1992 Summer, 1996 Summer, 2000 Summer | |
| Jessica Gal | Netherlands | 1992 Summer, 1996 Summer, 2000 Summer | |
| József Gál | Hungary | Wrestling | 1952 Summer | |
| Mária Gál | Volleyball | 1972 Summer | |
| Mélissa Gal | France | Cross country skiing | 2022 Winter | |
| Róbert Gál | Hungary | Artistic gymnastics | 2004 Summer, 2008 Summer | |
| Șandor Gal | Romania | Ice hockey | 1976 Winter, 1980 Winter | |
| Sandra Gal | Germany | Golf | 2016 Summer | |
| Ștefan Gal | Romania | Artistic gymnastics | 1976 Summer | |
| Udi Gal | Israel | Sailing | 2004 Summer, 2008 Summer | |
| Yehoshua Gal | Football | 1976 Summer | |
| Mumin Gala | Djibouti | Athletics | 2012 Summer, 2016 Summer | |
| Ludumo Galada | South Africa | Boxing | 2004 Summer | |
| Luis Galagarza | Costa Rica | Football | 1984 Summer | |
| Jennifer Galais | France | Athletics | 2016 Summer | |
| Petros Galaktopoulos | Greece | Wrestling | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Osama Galal | Egypt | Football | 2020 Summer | |
| József Galambos | Hungary | Athletics | 1928 Summer | |
| Daniel Elahi Galán | Colombia | Tennis | 2020 Summer | |
| Romeo Galán | Argentina | Athletics | 1952 Summer | |
| Giacomo Galanda | Italy | Basketball | 2000 Summer, 2004 Summer | |
| Christoph Galandi | West Germany | Rowing | 1988 Summer | |
| Jim Galanes | United States | Nordic combined, Cross country skiing | 1976 Winter, 1980 Winter, 1984 Winter | |
| Joseph Galanes | Cross country skiing | 1988 Winter | |
| Konstantinos Galanidis | Greece | Water polo | 2020 Summer | |
| Aris Galanopoulos | Football | 2004 Summer | |
| Stefanos Galanopoulos | Water polo | 2016 Summer | |
| Martyna Galant | Poland | Athletics | 2020 Summer | |
| Bálint Galántai | Hungary | Wrestling | 1956 Summer | |
| Fabio Galante | Italy | Football | 1996 Summer | |
| Giuseppe Galante | Rowing | 1960 Summer, 1964 Summer, 1968 Summer | |
| Svetlana Galante | Russia | Judo | 1996 Summer | |
| António Galantinho | Portugal | Wrestling | 1968 Summer | |
| Giuditta Galardi [ Wikidata ] | Italy | Water polo | 2024 Summer | |
| Anastasiia Galashina | Russian Olympic Committee | Shooting | 2020 Summer | |
| Daniela Galassi | San Marino | Swimming | 1984 Summer | |
| Gianluca Galassi | Italy | Volleyball | 2020 Summer, 2024 Summer | |
| Latino Galasso | Rowing | 1924 Summer | |
| Pedro Galasso | Brazil | Boxing | 1952 Summer | |
| Robert Galataud | France | 1928 Summer | |
| Henri Galau | Rugby | 1924 Summer | |
| Justo Galaviz | Venezuela | Road cycling | 1976 Summer | |
| Rubens Galaxe | Brazil | Football | 1972 Summer | |
| Jan Gałązka | Poland | Boxing | 1968 Summer | |
| Ganaagiin Galbadrakh | Mongolia | Swimming | 2000 Summer | |
| Stéphane Galbert | France | Bobsleigh | 2006 Winter | |
| Franco Galbiati | Italy | Athletics | 1956 Summer | |
| Jo-Ann Galbraith | Australia | Archery | 2004 Summer | |
| William Galbraith | Canada | Athletics | 1908 Summer | |
| William Galbraith | United States | Artistic gymnastics | 1932 Summer | |
| Alexander Galchenyuk | Belarus | Ice hockey | 1998 Winter | |
| Sérgio Galdino | Brazil | Athletics | 1992 Summer, 1996 Summer, 2004 Summer | |
| Anton Jože Gale | Yugoslavia | Ice hockey | 1964 Winter, 1968 Winter, 1972 Winter | |
| Becher Gale | Canada | Rowing | 1908 Summer, 1912 Summer | |
| Jamie Gale | New Zealand | Sailing | 1996 Summer, 2000 Summer | |
| Lauren Gale | Canada | Athletics | 2024 Summer | |
| Miha Gale | Slovenia | Freestyle skiing | 1998 Winter, 2002 Winter | |
| Tom Gale | Great Britain | Athletics | 2020 Summer | |
| Tristan Gale | United States | Skeleton | 2002 Winter | |
| Angela Galea | Malta | Swimming | 2000 Summer, 2004 Summer | |
| Carol Galea | Athletics | 1992 Summer, 1996 Summer | |
| Humberto Galea | Venezuela | 1972 Summer | |
| Natalie Galea | Australia | Judo | 1996 Summer | |
| Carlos Galeano | Colombia | Track cycling | 1972 Summer | |
| José Jaime Galeano | 1968 Summer, 1976 Summer | |
| Antoni Gałecki | Poland | Football | 1936 Summer | |
| Eugene Galekovic | Australia | 2004 Summer | |
| Christian Galenda | Italy | Swimming | 2004 Summer, 2008 Summer | |
| Federico Galera | Spain | Modern pentathlon | 1980 Summer, 1984 Summer | |
| Jules Gales | Luxembourg | Football | 1948 Summer, 1952 Summer | |
| Luciano Galesi | Italy | Shooting | 1952 Summer | |
| Chloé Galet | France | Athletics | 2024 Summer | |
| Moré Galetovic | Bolivia | 1992 Summer | |
| Martyna Galewicz | Poland | Cross country skiing | 2018 Winter | |
| Auguste Galeyn | Belgium | Sailing | 1952 Summer | |
| Jean Galfione | France | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Tomás Galfrascoli | Argentina | Sailing | 1952 Summer | |
| Lőrinc Galgóczi | Hungary | Handball | 1936 Summer | |
| Habib Galhia | Tunisia | Boxing | 1964 Summer, 1968 Summer | |
| István Gáli | Hungary | 1968 Summer | |
| Roberto Galia | Italy | Football | 1988 Summer | |
| Elena Galiabovitch | Australia | Shooting | 2016 Summer, 2020 Summer, 2024 Summer | |
| Adil Galiakhmetov [ Wikidata ] | Kazakhstan | Short track speed skating | 2022 Winter | |
| Giuliano Galiazzo | Italy | Rowing | 1972 Summer | |
| Marco Galiazzo | Archery | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Joseph Galibardy | India | Field hockey | 1936 Summer | |
| Anita Galić | Croatia | Swimming | 2004 Summer | |
| Dominik Galić | 1996 Summer | |
| Milan Galić | Yugoslavia | Football | 1960 Summer | |
| Zita Galic | Handball | 1988 Summer | |
| Divina Galica | Great Britain | Alpine skiing | 1964 Winter, 1968 Winter, 1972 Winter | |
| Mihai Galiceanu | Romania | Cross country skiing | 2006 Winter | |
| Reynaldo Galido | Philippines | Boxing | 1996 Summer | |
| Stanislav Galiev | Russian Olympic Committee | Ice hockey | 2022 Winter | |
| Mária Gáliková | Slovakia | Athletics | 2016 Summer | |
| Ibrahim Saad Abdel Galil | Sudan | 1972 Summer | |
| Marta Galimany | Spain | 2020 Summer | |
| Carlo Galimberti | Italy | Weightlifting | 1924 Summer, 1928 Summer, 1932 Summer, 1936 Summer | |
| José Galimberti | Brazil | Athletics | 1924 Summer | |
| Félix Galimi | Argentina | Fencing | 1948 Summer, 1952 Summer, 1964 Summer | |
| Fulvio Galimi | 1948 Summer, 1952 Summer | |
| Rais Galimov | Soviet Union | Sailing | 1972 Summer | |
| Rudolf Galin | Yugoslavia | Athletics | 1952 Summer | |
| José Ángel Galiñanes | Puerto Rico | Shooting | 1952 Summer | |
| Galinard | France | Archery | 1900 Summer | |
| Georges Galinat | Boxing | 1924 Summer | |
| Dimitar Galinchev | Bulgaria | Wrestling | 1968 Summer | |
| Oscar Galíndez | Argentina | Triathlon | 2000 Summer | |
| Pedro José de Galíndez | Spain | Sailing | 1928 Summer | |
| Víctor Galíndez | Argentina | Boxing | 1968 Summer | |
| Ana Galindo Santolaria | Spain | Alpine skiing | 1998 Winter, 2002 Winter | |
| Aarón Galindo | Mexico | Football | 2004 Summer | |
| Ana Galindo | Honduras | Swimming | 2004 Summer | |
| Francisco Galindo | Mexico | Basketball | 1948 Summer | |
| Teresa Galindo | Beach volleyball | 2000 Summer | |
| Vicky Galindo | United States | Softball | 2008 Summer | |
| Margarita Galinovskaya | Russia | Archery | 1996 Summer, 2004 Summer | |
| Marek Galiński | Poland | Wrestling | 1980 Summer | |
| Marek Galiński | Cycling mountain bike | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Alessandra Galiotto | Italy | Canoe sprint | 2008 Summer | |
| Yekaterina Galitskaya | Russia | Athletics | 2012 Summer | |
| Michael Galitzen | United States | Diving | 1928 Summer, 1932 Summer | |
| Luiza Galiulina | Uzbekistan | Artistic gymnastics | 2008 Summer | |
| William Galiwango | Uganda | Boxing | 1984 Summer | |
| Minnevali Galiyev | Soviet Union | Cross country skiing | 1956 Winter | |
| Rozalia Galiyeva | Unified Team, Russia | Artistic gymnastics | 1992 Summer, 1996 Summer | |
| Žarko Galjanić | Croatia | Biathlon | 2002 Winter | |
| Konrad Gałka | Poland | Swimming | 1992 Summer, 1996 Summer | |
| Anton Galkin | Russia | Athletics | 2004 Summer | |
| Gennady Galkin | Soviet Union | Diving | 1956 Summer, 1960 Summer | |
| Oleg Galkin | Unified Team | Road cycling | 1992 Summer | |
| Pavel Galkin | Athletics | 1992 Summer | |
| Ekaterina Galkina | Russia | Curling | 2006 Winter, 2010 Winter, 2014 Winter | |
| Lyubov Galkina | Shooting | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Lyudmila Galkina | Athletics | 1996 Summer, 2000 Summer | |
| Nataliya Galkina | Kazakhstan | Water polo | 2000 Summer | |
| Vitaly Galkov | Soviet Union | Canoe sprint | 1968 Summer | |
| Geena Gall | United States | Athletics | 2012 Summer | |
| James Gall | Great Britain | Field hockey | 2020 Summer | |
| John Gall | United States | Baseball | 2008 Summer | |
| Ludovic Gall | Romania | Athletics | 1936 Summer | |
| Arthur Gallagher | United States | Rowing | 1948 Summer | |
| Darryn Gallagher | South Africa | Field hockey | 2008 Summer | |
| Deirdre Gallagher | Ireland | Athletics | 1996 Summer | |
| Erin Gallagher | South Africa | Swimming | 2020 Summer, 2024 Summer | |
| James Gallagher | United States | Football | 1928 Summer | |
| John Gallagher | Athletics | 1912 Summer | |
| Jude Gallagher | Ireland | Boxing | 2024 Summer | |
| Kim Gallagher | United States | Athletics | 1984 Summer, 1988 Summer | |
| Laura Gallagher | Great Britain | Trampolining | 2020 Summer | |
| Megan Gallagher | United States | Handball | 1988 Summer | |
| Mike Gallagher | Cross country skiing | 1964 Winter, 1968 Winter, 1972 Winter | |
| Peta Gallagher | Australia | Field hockey | 2004 Summer | |
| Sears Gallagher | United States | Art competitions | 1932 Summer | |
| Vince Gallagher | Rowing | 1920 Summer | |
| Gallais [ Wikidata ] | France | Swimming | 1900 Summer | |
| Brett Gallant | Canada | Curling | 2022 Winter | |
| Rebecca Gallantree | Great Britain | Diving | 2008 Summer, 2012 Summer, 2016 Summer | |
| Alberto Gallardo | Peru | Football | 1960 Summer | |
| Almudena Gallardo | Spain | Archery | 2000 Summer, 2004 Summer | |
| César Gallardo | Uruguay | Fencing | 1948 Summer | |
| Fátima Gallardo | Spain | Swimming | 2016 Summer | |
| Horacio Gallardo | Bolivia | Road cycling | 2008 Summer | |
| Ivana Gallardo | Chile | Athletics | 2024 Summer | |
| Karen Gallardo | 2012 Summer, 2016 Summer, 2020 Summer | |
| Manuel Gallardo | Argentina | Boxing | 1924 Summer | |
| Marcelo Gallardo | Football | 1996 Summer | |
| Miriam Gallardo | Peru | Volleyball | 1984 Summer, 1988 Summer | |
| Oscar Gallardo | Argentina | Boxing | 1952 Summer | |
| Corry Gallas | Netherlands | Art competitions | 1932 Summer | |
| Ana Gallay | Argentina | Beach volleyball | 2012 Summer, 2016 Summer, 2020 Summer | |
| Jillian Gallays | Canada | Wrestling | 2016 Summer | |
| Carl Galle | Germany | Athletics | 1896 Summer | |
| Carla Galle | Belgium | Swimming | 1968 Summer | |
| Michele Caballo Galleano [ Wikidata ] | Italy | Art competitions | 1948 Summer | |
| Ercole Gallegati | Wrestling | 1932 Summer, 1936 Summer, 1948 Summer, 1952 Summer | |
| Iván Gallego | Spain | Water polo | 2008 Summer | |
| Johan Gallén | Finland | Wrestling | 1920 Summer | |
| Laurie Gallen | New Zealand | Field hockey | 1984 Summer | |
| Magnus Gällerdal | Sweden | Equestrian eventing | 2004 Summer, 2008 Summer | |
| Daniel V. Gallery | United States | Wrestling | 1920 Summer | |
| Bastien Gallet | France | Rowing | 2004 Summer | |
| Bertrand Gallet | Badminton | 2000 Summer | |
| Didier Gallet | Rowing | 1980 Summer | |
| Jo Galletly | New Zealand | Field hockey | 2008 Summer | |
| Paolo Galletti | Italy | Swimming | 1956 Summer, 1960 Summer | |
| Katharina Gallhuber | Austria | Alpine skiing | 2018 Winter, 2022 Winter | |
| Alfredo Galli | Italy | Shooting | 1920 Summer | |
| Claudio Galli | Volleyball | 1988 Summer, 1992 Summer | |
| Filippo Galli | Football | 1984 Summer | |
| Gemma Galli | Artistic swimming | 2020 Summer | |
| James Galli | France | Boxing | 1948 Summer | |
| Jole Galli [ Wikidata ] | Italy | Freestyle skiing | 2022 Winter | |
| Lina Galli | Art competitions | 1936 Summer | |
| Marco Galli | Water polo | 1984 Summer | |
| Medardo Galli | Rowing | 1928 Summer | |
| Roberto Galli | Artistic gymnastics | 1996 Summer | |
| Rudy Galli | Snowboarding | 2006 Winter | |
| Simone Galli | Freestyle skiing | 2002 Winter, 2006 Winter | |
| Aleksandr Galliamov | Russian Olympic Committee | Figure skating | 2022 Winter | |
| Greetje Galliard | Netherlands | Swimming | 1948 Summer | |
| Octave Gallice | France | Equestrian driving | 1900 Summer | |
| John Gallie | Great Britain | Shooting | 1948 Summer | |
| Bruno Galliker | Switzerland | Athletics | 1960 Summer | |
| Uri Gallin | Israel | 1952 Summer | |
| Antonio Gallina | Argentina | Judo | 1972 Summer | |
| Francesca Gallina [ Wikidata ] | Italy | Snowboarding | 2022 Winter | |
| Renan Gallina | Brazil | Athletics | 2024 Summer | |
| Danilo Gallinari | Italy | Basketball | 2020 Summer | |
| Tayavek Gallizzi | Argentina | 2020 Summer | |
| Morena Gallizio | Italy | Alpine skiing | 1992 Winter, 1994 Winter, 1998 Winter | |
| Carlos Gallo | Brazil | Football | 1976 Summer | |
| Cristina Gallo | Argentina | Shooting | 1996 Summer | |
| Diego Gallo | Uruguay | Swimming | 2000 Summer | |
| Juan José Gallo | Chile | Basketball | 1948 Summer, 1952 Summer | |
| Mauro Gallo | Italy | Swimming | 2000 Summer | |
| Michele Gallo | Fencing | 2024 Summer | |
| Valentino Gallo | Water polo | 2008 Summer, 2012 Summer, 2016 Summer | |
| Thomas Gallon | Canada | Athletics | 1912 Summer | |
| Harold Gallop | 1932 Summer | |
| Tony Gallopin | France | Road cycling | 2012 Summer | |
| Fiona Galloway | New Zealand | Sailing | 1988 Summer | |
| Jackie Galloway | United States | Taekwondo | 2016 Summer | |
| James Galloway | Australia | Rowing | 1988 Summer | |
| Jeff Galloway | United States | Athletics | 1972 Summer | |
| Lou Galloway | Volleyball | 1964 Summer | |
| Melissa Galloway | New Zealand | Equestrian dressage | 2024 Summer | |
| Werner Gallusser | Switzerland | Art competitions | 1948 Summer | |
| Erich Gallwitz | Austria | Cross country skiing | 1936 Winter | |
| Anna Galmarini | Italy | Figure skating | 1960 Winter | |
| Nevin Galmarini | Switzerland | Snowboarding | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Julio Galofre | Colombia | Swimming | 2008 Summer | |
| László Gálos | Hungary | Volleyball | 1964 Summer | |
| Roland Gálos | Boxing | 2020 Summer | |
| Zoran Galović | Yugoslavia, Independent Olympians | Wrestling | 1988 Summer, 1992 Summer | |
| Gyula Galovici | Romania | Modern pentathlon | 1980 Summer | |
| Gleb Galperin | Russia | Diving | 2004 Summer, 2008 Summer, 2012 Summer | |
| Arsen Galstyan | Judo | 2012 Summer | |
| Haykaz Galstyan | Armenia | Wrestling | 2000 Summer, 2004 Summer | |
| Katya Galstyan | Cross country skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Slavik Galstyan | Wrestling | 2024 Summer | |
| Vaghinak Galstyan | 2000 Summer, 2004 Summer | |
| Dean Galt | New Zealand | Badminton | 1992 Summer | |
| Rossano Galtarossa | Italy | Rowing | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Francis Galtier | France | Athletics | 1924 Summer | |
| Artem Galunin [ Wikidata ] | Russian Olympic Committee | Nordic combined | 2022 Winter | |
| Vera Galushka-Duyunova | Soviet Union | Volleyball | 1968 Summer, 1972 Summer | |
| Natalya Galushko | Belarus | Athletics | 1996 Summer | |
| Vinko Galušić | Yugoslavia | 1976 Summer | |
| Antonie Galušková | Czech Republic | Canoe slalom | 2024 Summer | |
| Jan Gałuszka | Poland | Wrestling | 1928 Summer | |
| David Galván | Mexico | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| Laura Galván | 2020 Summer, 2024 Summer | |
| Matteo Galvan | Italy | 2016 Summer | |
| Miguel Galván | Mexico | Football | 1964 Summer | |
| Mauricio Galvao | Germany | Field hockey | 1908 Summer | |
| Mauro Galvão | Brazil | Football | 1984 Summer | |
| Pedro Galvão | Argentina | Swimming | 1952 Summer | |
| Raulino Galvao [ Wikidata ] | Germany | Field hockey | 1908 Summer | |
| Fátima Gálvez | Spain | Shooting | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Felicity Galvez | Australia | Swimming | 2004 Summer, 2008 Summer | |
| Isaac Gálvez | Spain | Track cycling | 2000 Summer | |
| Patricia Galvin | United States | Equestrian dressage | 1960 Summer, 1964 Summer | |
| Guntis Galviņš | Latvia | Ice hockey | 2010 Winter | |
| Sandra Galvis | Colombia | Athletics | 2016 Summer, 2020 Summer | |
| Gabija Galvydytė | Lithuania | 2024 Summer | |
| Małgorzata Galwas | Poland | Swimming | 1992 Summer | |
| Ali Galyer | New Zealand | 2020 Summer | |
| Yuliya Galysheva | Kazakhstan | Freestyle skiing | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Sarath Prasanna Gamage | Sri Lanka | Athletics | 2000 Summer | |
| Mohamed Gamal | Egypt | Football | 1928 Summer | |
| Moukhtar Hussain El-Gamal | United Arab Republic, Egypt | Water polo | 1960 Summer, 1964 Summer | |
| Taha Youssef El-Gamal | Egypt | Swimming, Water polo | 1948 Summer, 1952 Summer | |
| Mohamed Gamal-el-Din | Water polo | 2004 Summer | |
| Grigory Gamarnik | Soviet Union | Wrestling | 1960 Summer | |
| Carlos Gamarra | Paraguay | Football | 1992 Summer, 2004 Summer | |
| Luis Gamarra | Bolivia | Shooting | 1984 Summer, 1992 Summer | |
| Pedro Gamarro | Venezuela | Boxing | 1976 Summer | |
| Bruno Gamba | Italy | Rowing | 1952 Summer | |
| Ezio Gamba | Judo | 1976 Summer, 1980 Summer, 1984 Summer, 1988 Summer | |
| Sandro Gamba | Basketball | 1960 Summer | |
| Barbara Gambaro [ Wikidata ] | Shooting | 2024 Summer | |
| Marta Gambella | Softball | 2000 Summer, 2004 Summer | |
| Anabel Gambero | Argentina | Field hockey | 1996 Summer, 2000 Summer | |
| Antoine Gambert | France | Rowing | 1976 Summer | |
| Sara Gambetta | Germany | Athletics | 2016 Summer, 2020 Summer | |
| Gianni Gambi | Italy | Swimming | 1928 Summer | |
| Ryan Gambin | Malta | 2008 Summer | |
| Ivanhoe Gambini | Italy | Art competitions | 1936 Summer | |
| Raffaello Gambino | Water polo | 1952 Summer | |
| Wolfram Gambke | West Germany | Athletics | 1984 Summer | |
| Amy Gamble | United States | Handball | 1988 Summer | |
| Clarence Gamble | Tennis | 1904 Summer | |
| Edward Gamble | Canada | Archery | 1976 Summer | |
| Maxwell Gamble | Australia | Rowing | 1960 Summer | |
| Nicole Gamble | United States | Athletics | 2000 Summer | |
| Peter Gamble | Hong Kong | Sailing | 1968 Summer | |
| Federico Gamboa | Mexico | Athletics | 1932 Summer | |
| Hugo Gamboa | Colombia | Equestrian jumping | 1992 Summer | |
| Jorge Gamboa | Chile | Track cycling | 1928 Summer | |
| Pedro Luis Fernández Gamboa [ Wikidata ] | Puerto Rico | Sailing | 2024 Summer | |
| Yuriorkis Gamboa | Cuba | Boxing | 2004 Summer | |
| Francisco Gamborena | Spain | Football | 1924 Summer, 1928 Summer | |
| Joyce Gamborg | Canada | Volleyball | 1984 Summer | |
| Al-Hussein Gambour | Libya | Rowing | 2016 Summer, 2020 Summer | |
| Jorge Gambra | Chile | Table tennis | 1988 Summer, 2000 Summer | |
| Mike Gambrill | Great Britain | Track cycling | 1956 Summer, 1960 Summer | |
| Andy Gambucci | United States | Ice hockey | 1952 Winter | |
| Elio Gambuti [ Wikidata ] | Italy | Baseball | 1992 Summer | |
| Mostafa El Gamel | Egypt | Athletics | 2012 Summer, 2020 Summer, 2024 Summer | |
| Alexander Gamelin | South Korea | Figure skating | 2018 Winter | |
| Didier Gamerdinger | Monaco | Sailing | 1988 Summer | |
| Mario Gamero | Italy | Art competitions | 1936 Summer | |
| Elisbet Gámez | Cuba | Swimming | 2016 Summer, 2020 Summer | |
| Ashraf Gamil | Egypt | Water polo | 1964 Summer, 1968 Summer | |
| Fouad Gamil | Football | 1924 Summer | |
| Zahra Gamir | Algeria | Fencing | 2000 Summer, 2004 Summer | |
| Vítor Gamito | Portugal | Road cycling | 2000 Summer | |
| Vladimeri Gamkrelidze | Georgia | Wrestling | 2024 Summer | |
| Arie Gamliel | Israel | Athletics | 1984 Summer | |
| Annett Gamm | Germany | Diving | 2004 Summer, 2008 Summer | |
| Karl Gamma | Switzerland | Alpine skiing | 1948 Winter | |
| Eman El Gammal | Egypt | Fencing | 2008 Summer, 2012 Summer | |
| Shaimaa El-Gammal | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Ângelo Gammaro | Brazil | Swimming, Water polo | 1920 Summer | |
| Kamilla Gamme | Norway | Diving | 1988 Summer | |
| Erin Gammel | Canada | Swimming | 2004 Summer | |
| Russell Gammon | Rowing | 1932 Summer | |
| Wayne Gammon | Australia | 1964 Summer | |
| Fiona Gammond | Great Britain | 2020 Summer | |
| Mohammed Gammoudi | Tunisia | Athletics | 1964 Summer, 1968 Summer, 1972 Summer | |
| Seimei Gamo | Japan | Handball | 1976 Summer, 1984 Summer | |
| Claude Gamot | France | Fencing | 1956 Summer, 1960 Summer | |
| Yekaterina Gamova | Russia | Volleyball | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Kamil Gampe | Czechoslovakia | Modern pentathlon | 1928 Summer | |
| Roberto Gamper | Italy | Ice hockey | 1964 Winter | |
| Hassan Ben Gamra | Tunisia | Judo | 1984 Summer | |
| Gan Ching Hwee | Singapore | Swimming | 2024 Summer | |
| Gan Eng Teck | Water polo | 1956 Summer | |
| Heidi Gan | Malaysia | Marathon swimming | 2012 Summer, 2016 Summer | |
| Ivor Ganahl | Switzerland | Sailing | 1980 Summer | |
| Markus Ganahl | Liechtenstein | Alpine skiing | 2002 Winter | |
| K. C. Ganapathy | India | Sailing | 2020 Summer | |
| Marat Ganeyev | Soviet Union | Track cycling | 1988 Summer | |
| Buyangiin Ganbat | Mongolia | Boxing | 1972 Summer | |
| Dorjzovdyn Ganbat | Wrestling | 1972 Summer | |
| Ziitsagaany Ganbat | Cross country skiing | 1988 Winter, 1992 Winter | |
| Jambalyn Ganbold | Judo | 1988 Summer, 1992 Summer | |
| Nyamdondovyn Ganbold | Speed skating | 1992 Winter | |
| Bronisław Gancarz | Poland | Athletics | 1936 Summer | |
| Henri Gance | France | Weightlifting | 1920 Summer | |
| Félix Gancedo | Spain | Sailing | 1968 Summer, 1972 Summer, 1976 Summer | |
| Diogo Ganchinho | Portugal | Trampolining | 2008 Summer, 2012 Summer | |
| Constantin Ganciu | Romania | Volleyball | 1964 Summer | |
| Eliseu Ganda | Angola | Sailing | 1992 Summer | |
| Tom Ganda | Sierra Leone | Athletics | 1992 Summer, 1996 Summer | |
| Fernand Gandaho | Benin | Road cycling | 1992 Summer | |
| Dayexi Gandarela | Cuba | Canoe sprint | 2012 Summer | |
| Rafael Gandarillas | Puerto Rico | Swimming | 1984 Summer | |
| Diana Gandega | Mali | Basketball | 2008 Summer | |
| Alessandro Gandellini | Italy | Athletics | 2000 Summer, 2004 Summer | |
| Omri Gandelman | Israel | Football | 2024 Summer | |
| Adrián Gandía | Puerto Rico | Judo | 2020 Summer, 2024 Summer | |
| Georges Gandil | France | Canoe sprint | 1948 Summer | |
| Johannes Gandil | Denmark | Athletics, Football | 1900 Summer, 1908 Summer | |
| Franco Gandini | Italy | Track cycling | 1956 Summer | |
| Luigi Gandini | Rowing | 1948 Summer | |
| Markus Gandler | Austria | Cross country skiing | 1992 Winter, 1998 Winter | |
| Annapia Gandolfi | Italy | Fencing | 1988 Summer | |
| Ferdinando Gandolfi | Water polo | 1992 Summer | |
| Roberto Gandolfi | 1984 Summer | |
| Marcelo Gandolfo | Argentina | Weightlifting | 1992 Summer, 1996 Summer | |
| Mohamed Ben Gandoubi | Tunisia | Boxing | 1960 Summer | |
| Macarena Gandulfo | Argentina | Handball | 2016 Summer | |
| Arialis Gandulla | Cuba | Athletics | 2016 Summer | |
| Ellen Gandy | Great Britain | Swimming | 2008 Summer, 2012 Summer | |
| Laurent Gané | France | Track cycling | 2000 Summer, 2004 Summer | |
| George Ganea | Romania | Football | 2020 Summer | |
| Ion Ganea [ Wikidata ] | Diving | 1972 Summer | |
| Stéphane Ganeff | Belgium, Netherlands | Fencing | 1980 Summer, 1984 Summer, 1988 Summer | |
| Galina Ganeker | Soviet Union | Athletics | 1952 Summer | |
| Samuel Gaßner | Austria | Judo | 2024 Summer | |
| Gankhuyagiin Gan-Erdene | Mongolia | Boxing | 2016 Summer | |
| M. P. Ganesh | India | Field hockey | 1972 Summer | |
| Lyubomir Ganev | Bulgaria | Volleyball | 1988 Summer, 1996 Summer | |
| Mihail Ganev | Wrestling | 2016 Summer | |
| Nikolay Ganev | Swimming | 1976 Summer | |
| Renal Ganeyev | Russia | Fencing | 2004 Summer, 2012 Summer | |
| Liana Ganeyeva | Russian Olympic Committee | Ice hockey | 2018 Winter, 2022 Winter | |
| Mohamed Ganfud [ Wikidata ] | Libya | Road cycling | 1980 Summer | |
| Gang Bong-hyeon | South Korea | Basketball | 1948 Summer | |
| Gang Dong-u | Cycling mountain bike | 2000 Summer | |
| Gang Du-man | Wrestling | 1964 Summer | |
| Gang Gyeong-hyo | Modern pentathlon | 1984 Summer, 1988 Summer | |
| Gang In-seok | Boxing | 1948 Summer | |
| Gang Man-gu | Rowing | 1988 Summer | |
| Gang Su-il | Artistic gymnastics | 1964 Summer | |
| Gang Sun-deok | Athletics | 1996 Summer | |
| Abdel Kader Gangani | Morocco | Boxing | 1960 Summer | |
| Edina Gangl | Hungary | Water polo | 2012 Summer, 2016 Summer, 2020 Summer | |
| François Gangloff | France | Artistic gymnastics | 1924 Summer | |
| Mark Gangloff | United States | Swimming | 2004 Summer, 2008 Summer | |
| Rosalie Gangué | Chad | Athletics | 1992 Summer | |
| Imri Ganiel | Israel | Swimming | 2012 Summer | |
| Luiza Ganieva | Uzbekistan | Rhythmic gymnastics | 2016 Summer | |
| Svetlana Ganina | Russia | Table tennis | 2004 Summer | |
| Belly-Cresus Ganira | Burundi | Swimming | 2020 Summer, 2024 Summer | |
| Ramil Ganiyev | Unified Team, Uzbekistan | Athletics | 1992 Summer, 1996 Summer | |
| Muideen Ganiyu | Nigeria | Boxing | 2004 Summer | |
| Sajjad Ganjzadeh | Iran | Karate | 2020 Summer | |
| Boldyn Gankhaich | Mongolia | Judo | 2020 Summer | |
| Dondogiin Gankhuyag | Cross country skiing | 1984 Winter | |
| Denis Gankin | Kazakhstan | Archery | 2012 Summer, 2020 Summer | |
| Filippo Ganna | Italy | Track cycling, Road cycling | 2016 Summer, 2020 Summer, 2024 Summer | |
| Marco Ganna | Canoe sprint | 1984 Summer | |
| Pat Gannon | Ireland | Rowing | 1980 Summer | |
| Travis Ganong | United States | Alpine skiing | 2014 Winter, 2022 Winter | |
| Vasilios Ganotis | Greece | Wrestling | 1964 Summer, 1968 Summer, 1972 Summer | |
| Luis Ganoza | Peru | Athletics | 1948 Summer | |
| Stedman Gans | South Africa | Rugby sevens | 2020 Summer | |
| Reiner Ganschow | East Germany | Handball | 1972 Summer | |
| Walter Ganshof van der Meersch | Belgium | Bobsleigh | 1928 Winter | |
| Alfred Gansiniec | Poland | Ice hockey | 1948 Winter, 1952 Winter | |
| Diana Gansky | East Germany | Athletics | 1988 Summer | |
| Paulo Henrique Ganso | Brazil | Football | 2012 Summer | |
| Dorit Ganster | Austria | Field hockey | 1980 Summer | |
| Fritz Ganster | Ice hockey | 1984 Winter | |
| Burkhard Gantenbein | Switzerland | Handball | 1936 Summer | |
| Talina Gantenbein | Freestyle skiing | 2018 Winter, 2022 Winter | |
| Allan Ganter | Australia | Figure skating | 1956 Winter | |
| Klaus Ganter | West Germany | Cross country skiing | 1968 Winter | |
| Isoup Ganthy | Cambodia | Equestrian jumping | 1956 Summer | |
| Jana Gantnerová | Slovakia | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter | |
| Jana Gantnerová-Šoltýsová | Czechoslovakia | 1976 Winter, 1980 Winter, 1984 Winter | |
| Jantsangiin Gantögs | Mongolia | Archery | 2012 Summer, 2016 Summer | |
| Bayanmönkhiin Gantogtokh | Wrestling | 1996 Summer | |
| Louis Gantois | France | Canoe sprint | 1952 Summer, 1956 Summer | |
| Dambadarjaagiin Gantulga | Mongolia | Athletics | 2016 Summer | |
| Khaidavyn Gantulga | Boxing | 1988 Summer | |
| Gerda Gantz | Romania | Fencing | 1936 Summer | |
| Isaac Ganunga | Malawi | Athletics | 1984 Summer | |
| Barbara Ganz | Switzerland | Road cycling | 1988 Summer | |
| Beat Ganz | Modern pentathlon | 1972 Summer | |
| Caterina Ganz | Italy | Cross country skiing | 2022 Winter | |
| Fritz Ganz | Switzerland | Track cycling | 1936 Summer | |
| Frank Ganzera | East Germany | Football | 1972 Summer | |
| Henryk Ganzera | Poland | Wrestling | 1928 Summer | |
| Stepan Ganzey | Russia | Swimming | 2004 Summer | |
| Chagnaadorjiin Ganzorig | Mongolia | Wrestling | 2008 Summer | |
| Gao Ao | China | Water polo | 2008 Summer, 2012 Summer | |
| Gao Beibei | Canoe sprint | 1996 Summer | |
| Gao Chang | Swimming | 2004 Summer, 2012 Summer | |
| Gao Chen | Football | 2016 Summer | |
| Gao E | Shooting | 1988 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Gao Erwei | Judo | 1992 Summer | |
| Gao Feng | 2004 Summer | |
| Gao Fujin | Ice hockey | 2010 Winter | |
| Grace Gao | Canada | Badminton | 2012 Summer | |
| Gao Haiyan | China | Sailing | 2020 Summer | |
| Gao Han | Athletics | 1992 Summer | |
| Gao Hong | Football | 1996 Summer, 2000 Summer | |
| Gao Hongmiao | Athletics | 1996 Summer | |
| Gao Hongying | Cycling mountain bike | 1996 Summer | |
| Gao Jing | Shooting | 2000 Summer | |
| Gao Jun | China, United States | Table tennis | 1992 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Gao Lei | China | Trampolining | 2016 Summer, 2020 Summer | |
| Gao Lihua | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| Gao Lin | Volleyball | 1992 Summer | |
| Gao Lin | Football | 2008 Summer | |
| Gao Ling | Badminton | 2000 Summer, 2004 Summer, 2008 Summer | |
| Gao Ludong | Canoe sprint | 1984 Summer | |
| Gao Min | Diving | 1988 Summer, 1992 Summer | |
| Gao Min | Road cycling | 2008 Summer | |
| Gao Ning | Singapore | Table tennis | 2008 Summer, 2012 Summer, 2016 Summer | |
| Gao Sheng | China | Football | 1988 Summer | |
| Gao Shiyan | 3x3 basketball | 2020 Summer | |
| Gao Shuying | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| Gao Song | Basketball | 2012 Summer, 2016 Summer | |
| Gao Tingyu | Speed skating | 2018 Winter, 2022 Winter | |
| Gao Wenhe | Wrestling | 1984 Summer | |
| Gao Xinglong | Athletics | 2016 Summer, 2020 Summer | |
| Gao Xiumin | Handball | 1984 Summer | |
| Gao Xuefeng | Speed skating | 2006 Winter, 2010 Winter | |
| Gao Yang | 2002 Winter | |
| Gao Yang | Athletics | 2016 Summer, 2020 Summer | |
| Gao Yanhua | Rowing | 2004 Summer | |
| Gao Yi | Canoe sprint | 2004 Summer | |
| Gao Yi | Volleyball | 2024 Summer | |
| Gao Yulan | Rowing | 2008 Summer, 2012 Summer | |
| Alfredo Gaona | Mexico | Boxing | 1928 Summer | |
| Brigitte Gapais-Dumont | France | Fencing | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Emma Gapchenko | Soviet Union | Archery | 1972 Summer | |
| Nataliya Gaponovich | Russia | Sailing | 2004 Summer | |
| Nikola Gápová | Slovakia | Ice hockey | 2010 Winter | |
| Mehdi Gara | Tunisia | Volleyball | 2004 Summer | |
| Susana Garabatos | Spain | Swimming | 1996 Summer | |
| Rubén Garabaya | Handball | 2008 Summer | |
| Tina Garabedian | Armenia | Figure skating | 2022 Winter | |
| Petr Garabík | Czech Republic | Biathlon | 1994 Winter, 1998 Winter, 2002 Winter | |
| Gerard Garabwan | Nauru | Weightlifting | 1996 Summer | |
| Carlos Garach [ Wikidata ] | Spain | Marathon swimming, Swimming | 2024 Summer | |
| Andrea Garae | Vanuatu | Athletics | 1992 Summer | |
| Maximiliano Garafulic | Chile | Basketball | 1956 Summer | |
| Romano Garagnani | Italy | Shooting | 1968 Summer, 1972 Summer, 1976 Summer, 1980 Summer | |
| Maria Garagouni | Greece | Volleyball | 2004 Summer | |
| Niki Garagouni | 2004 Summer | |
| Liudmila Garajànskaia | Belarus | Track cycling | 1996 Summer | |
| Katarína Garajová | Slovakia | Cross country skiing | 2006 Winter | |
| Patrice Garande | France | Football | 1984 Summer | |
| Evgeniy Garanichev | Russia | Biathlon | 2014 Winter | |
| Ivan Garanin | Soviet Union | Cross country skiing | 1972 Winter, 1976 Winter | |
| Nancy Garapick | Canada | Swimming | 1976 Summer | |
| Brendan Garard | Australia | Field hockey | 1996 Summer | |
| Eleanor Garatti | United States | Swimming | 1928 Summer, 1932 Summer | |
| Giovanni Garaventa | Italy | Athletics | 1924 Summer | |
| Diego Garavito | Colombia | Cycling mountain bike | 2000 Summer | |
| Ezequiel Garay | Argentina | Football | 2008 Summer | |
| Fernanda Garay | Brazil | Volleyball | 2012 Summer, 2016 Summer, 2020 Summer | |
| Hugo Garay | Argentina | Boxing | 2000 Summer | |
| János Garay | Hungary | Fencing | 1924 Summer, 1928 Summer | |
| Juan Garay | Argentina | Swimming | 1948 Summer | |
| Rita Garay | Puerto Rico | 1988 Summer, 1992 Summer | |
| Sándor Garay | Hungary | Athletics | 1948 Summer, 1952 Summer | |
| Aliya Garayeva | Azerbaijan | Rhythmic gymnastics | 2008 Summer, 2012 Summer | |
| Yuliya Garayeva | Russia | Fencing | 1996 Summer | |
| Haissa Ali Garba | Niger | Athletics | 2000 Summer | |
| Harouna Garba | 2008 Summer | |
| Rafael Garba | Argentina | Rowing | 1972 Summer | |
| Sam Garba | Nigeria | Football | 1968 Summer | |
| Joseph Garbaccio [ Wikidata ] | France | Skateboarding | 2024 Summer | |
| Daniela Gârbacea | Romania | Biathlon | 1992 Winter | |
| Steponas Garbačiauskas | Lithuania | Football | 1924 Summer | |
| Jorge Garbajosa | Spain | Basketball | 2000 Summer, 2004 Summer, 2008 Summer | |
| Amaya Garbayo | Swimming | 1988 Summer | |
| Herbert Garbe | Germany | Art competitions | 1932 Summer | |
| Roland Garber | Austria | Track cycling | 2000 Summer, 2004 Summer | |
| Matthew Garbett | New Zealand | Football | 2020 Summer, 2024 Summer | |
| Toby Garbett | Great Britain | Rowing | 2004 Summer | |
| Jorge Garbey | Cuba | Fencing | 1972 Summer, 1976 Summer | |
| Jorge Garbey | Volleyball | 1980 Summer | |
| Marcia Garbey | Athletics | 1968 Summer, 1972 Summer | |
| Rolando Garbey | Boxing | 1968 Summer, 1972 Summer, 1976 Summer | |
| Nabil Al-Garbi | Yemen | Athletics | 2012 Summer | |
| Tathiana Garbin | Italy | Tennis | 2000 Summer, 2004 Summer | |
| Dariusz Garbocz | Poland | Ice hockey | 1992 Winter | |
| Monique Garbrecht-Enfeldt | Germany | Speed skating | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| George Garbutt | Canada | Ice hockey | 1932 Winter | |
| Gennady Garbuzov | Soviet Union | Boxing | 1952 Summer | |
| Sergey Garbuzov | Russia | Water polo | 1996 Summer, 2000 Summer, 2004 Summer | |
| Catherine Garceau | Canada | Artistic swimming | 2000 Summer | |
| Antonio Garcés | Cuba | Football | 1976 Summer | |
| Carlos Garces | Mexico | Athletics, Football | 1924 Summer, 1928 Summer | |
| Claudymar Garcés | Venezuela | Karate | 2020 Summer | |
| Iván Garcés | Ecuador | Wrestling | 1984 Summer | |
| José Garces | Mexico | Weightlifting | 1984 Summer | |
| Víctor Garcés | Shooting | 1984 Summer | |
| Fadwa Garci | Tunisia | Table tennis | 2020 Summer | |
| Pedro García Aguado | Spain | Water polo | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Joaquín García Benavides | Costa Rica | Canoe slalom | 1992 Summer | |
| Julio García Fernández de los Ríos | Spain | Equestrian jumping | 1928 Summer | |
| Maica García Godoy | Water polo | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Daniel García González | Andorra | Judo | 2008 Summer, 2012 Summer | |
| Carlos Garcia Knight | New Zealand | Snowboarding | 2018 Winter | |
| José Antonio García Mena | Spain | Equestrian dressage | 2020 Summer | |
| Alex García Mendoza | Cuba | Judo | 2016 Summer | |
| Francisco García Moreno | Mexico | Water polo | 1968 Summer, 1972 Summer, 1976 Summer | |
| Jalesky Garcia Padron | Iceland | Handball | 2004 Summer | |
| Marina García Polo | Spain | Artistic swimming | 2024 Summer | |
| Antonio García Robledo | Handball | 2020 Summer | |
| Ismael García Roque | Equestrian jumping | 2024 Summer | |
| David Garcia | Athletics | 2024 Summer | |
| John Garcia Thompson | Great Britain | Beach volleyball | 2012 Summer | |
| Marina García Urzainqui | Spain | Swimming | 2012 Summer, 2020 Summer | |
| Adalberto García | Brazil | Athletics | 1996 Summer | |
| Agustín García | Argentina | Alpine skiing | 2002 Winter | |
| Alberto García | Mexico | Swimming | 1972 Summer | |
| Alberto García | Spain | Athletics | 2000 Summer, 2008 Summer | |
| Aleix García | Rowing | 2024 Summer | |
| Alejandra García | Argentina | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| Alex Garcia | Brazil | Basketball | 2012 Summer, 2016 Summer | |
| Alexandre García | Judo | 1996 Summer | |
| Alexis García | Colombia | Football | 1980 Summer | |
| Alfonso García | Mexico | Athletics | 1928 Summer | |
| Alfonso García | Spain | Judo | 1984 Summer | |
| Alvaro García | Mexico | Shooting | 1936 Summer | |
| Ana María García | Cuba | Volleyball | 1976 Summer, 1980 Summer | |
| Andrés García | Spain | Fencing | 1988 Summer, 1992 Summer | |
| Andrés García García [ Wikidata ] | Shooting | 2024 Summer | |
| Angel García | Cuba | Athletics | 1948 Summer, 1952 Summer | |
| Ángel García | Puerto Rico | Basketball | 1964 Summer | |
| Angel García | Uruguay | Rowing | 2008 Summer | |
| Anier García | Cuba | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Anisley García | Diving | 2024 Summer | |
| Antonio García | Mexico | Shooting | 1936 Summer | |
| Antonio García | Guatemala | Football | 1968 Summer | |
| Antonio García | Spain | Boxing | 1972 Summer | |
| Antonio García | Fencing | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Arturo García | Mexico | Track cycling | 1968 Summer | |
| Arturo García | 1992 Summer | |
| Aurelio García | Spain | Alpine skiing | 1968 Winter, 1972 Winter | |
| Begoña García | Basketball | 2004 Summer | |
| Begoña García | Field hockey | 2016 Summer, 2020 Summer, 2024 Summer | |
| Benjamin Garcia | United States | Athletics | 1956 Summer | |
| Berta García | Spain | Rugby sevens | 2016 Summer | |
| Blanca García | Mexico | Volleyball | 1968 Summer | |
| Bonifacio García | Spain | Boxing | 1988 Summer | |
| Brayan García | Honduras | Football | 2016 Summer | |
| Caesar Garcia | United States | Diving | 2004 Summer | |
| Carina García | Bolivia | Shooting | 2016 Summer | |
| Carlos García | Cuba | Artistic gymnastics | 1964 Summer | |
| Carlos García | Mexico | Football | 1976 Summer | |
| Carlos García | Uruguay | Track cycling | 1984 Summer | |
| Carlos García | Spain | Athletics | 2004 Summer | |
| Carmelo García | Boxing | 1960 Summer | |
| Caroline Garcia | France | Tennis | 2016 Summer, 2020 Summer, 2024 Summer | |
| Casimiro García | Cuba | Basketball | 1948 Summer, 1952 Summer | |
| Cayetano García | Spain | Canoe sprint | 2020 Summer | |
| Celeste García | Peru | Swimming | 1980 Summer | |
| Céline Garcia | France | Rowing | 1996 Summer, 2000 Summer | |
| Dani García | Spain | Football | 1996 Summer | |
| Daniel García | Mexico | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Danielys García | Venezuela | Road cycling | 2008 Summer, 2012 Summer | |
| Diana García | Colombia | Track cycling | 2012 Summer | |
| Didier Garcia | France | 1984 Summer | |
| Diego García | Spain | Fencing | 1924 Summer, 1928 Summer | |
| Diego García | Mexico | Shooting | 1984 Summer | |
| Diego García | Spain | Athletics | 1992 Summer, 1996 Summer | |
| Diego García | 2020 Summer, 2024 Summer | |
| Diego García | Mexico | Taekwondo | 2012 Summer | |
| Dulce García | Cuba | Athletics | 1992 Summer | |
| Eduardo Garcia | Virgin Islands | 2024 Summer | |
| Efraín García [ Wikidata ] | Puerto Rico | Baseball | 1992 Summer | |
| Elsa García | Mexico | Artistic gymnastics | 2012 Summer | |
| Emilio García | Spain | Rowing | 1960 Summer | |
| Emmanuel Garcia | Canada | Baseball | 2008 Summer | |
| Enrique García | Mexico | Artistic gymnastics | 1968 Summer | |
| Eric García | Spain | Football | 2020 Summer, 2024 Summer | |
| Ernesto García | Cuba | Water polo | 1992 Summer | |
| Erwin García | Nicaragua | Judo | 1972 Summer | |
| Esmeralda de Jesus Garcia | Brazil | Athletics | 1976 Summer, 1984 Summer | |
| Estefania García | Ecuador | Judo | 2012 Summer, 2016 Summer, 2020 Summer | |
| Estela García | Spain | Athletics | 2016 Summer | |
| Evelyn García | El Salvador | Road cycling, Track cycling | 2004 Summer, 2008 Summer, 2012 Summer | |
| Fausto García | Mexico | Boxing | 1984 Summer | |
| Federico García | Chile | Alpine skiing | 1976 Winter | |
| Fernando García | Spain | Fencing | 1928 Summer | |
| Fernando Garcia | Philippines | Wrestling, Judo | 1964 Summer, 1972 Summer | |
| Fernando García | Argentina | Sailing | 1988 Summer | |
| Fernando Gabriel García | Handball | 2012 Summer, 2016 Summer | |
| Francisco García | Spain | Athletics | 1972 Summer, 1976 Summer | |
| Francisco García | Sailing | 1988 Summer | |
| Francisco Sérgio García | Brazil | Basketball | 1972 Summer | |
| Gastón García | Argentina | Judo | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Gilberto García | Colombia | Football | 1980 Summer | |
| Gilberto García | Dominican Republic | Judo | 1988 Summer, 1992 Summer | |
| Gonzalo García | Uruguay | Sailing | 1960 Summer | |
| Gonzalo García | Argentina | Track cycling | 1996 Summer, 2000 Summer | |
| Guillermo García | Mexico | Sailing | 1968 Summer | |
| Guillermo García | Swimming | 1972 Summer, 1976 Summer | |
| Gustavo García | Colombia | Shooting | 1984 Summer | |
| Haislan Garcia | Canada | Wrestling | 2008 Summer, 2012 Summer, 2016 Summer | |
| Hanser García | Cuba | Swimming | 2012 Summer | |
| Héctor García | Argentina | Boxing | 1948 Summer | |
| Héctor García | Uruguay | Basketball | 1948 Summer, 1952 Summer, 1956 Summer | |
| Héctor García | Dominican Republic | Boxing | 2016 Summer | |
| Hedy García | Philippines | Swimming | 1968 Summer | |
| Hélio Rubens Garcia | Brazil | Basketball | 1968 Summer, 1972 Summer | |
| Hermenegildo García | Cuba | Fencing | 1992 Summer | |
| Horacio García | Uruguay | Sailing | 1960 Summer | |
| Hugo García | Water polo | 1936 Summer | |
| Hugo Allan García | Guatemala | Athletics | 1984 Summer | |
| Iván García | Cuba | 1996 Summer, 2000 Summer | |
| Iván García | Mexico | Diving | 2012 Summer, 2016 Summer, 2020 Summer | |
| Jacobo Garcia | Virgin Islands | Boxing | 1992 Summer, 1996 Summer | |
| Jaime García | Spain | Equestrian jumping | 1948 Summer, 1952 Summer | |
| Javier García | Handball | 1972 Summer | |
| Javier García | Athletics | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Javier García | Fencing | 1996 Summer | |
| Javier García | Rowing | 2020 Summer, 2024 Summer | |
| Jazy Garcia | Guam | Road cycling, Track cycling | 1992 Summer, 2000 Summer | |
| Jessica García | Puerto Rico | Judo | 2004 Summer | |
| Jesús García | Mexico | Basketball | 1976 Summer | |
| Jesús Ángel García | Spain | Athletics | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Jhon García | Colombia | Track cycling, Road cycling | 1996 Summer, 2000 Summer | |
| Juan Jesús García | Spain | Fencing | 1928 Summer | |
| Joaquín García | Argentina | Football | 2024 Summer | |
| Jon García | Spain | Taekwondo | 2004 Summer, 2008 Summer | |
| Jonathan Garcia | United States | Speed skating | 2014 Winter, 2018 Winter | |
| Jorge García | Spain | Alpine skiing | 1976 Winter, 1980 Winter | |
| Jorge García | Athletics | 1984 Summer | |
| Jorge García | Argentina | Sailing | 1984 Summer, 1988 Summer | |
| Jorge García | Cuba | Canoe sprint | 2008 Summer, 2012 Summer, 2016 Summer | |
| Jorge García | Chile | Weightlifting | 2012 Summer | |
| José García | Spain | Athletics | 1920 Summer | |
| José García | Chile | Football | 1952 Summer | |
| José García | Mexico | Athletics | 1968 Summer | |
| José García | Spain | Field hockey | 1980 Summer, 1984 Summer | |
| José García | Ecuador | Weightlifting | 1988 Summer | |
| José Garcia | Portugal | Canoe sprint | 1988 Summer, 1992 Summer, 1996 Summer | |
| José García | Venezuela | Boxing | 1988 Summer | |
| José García | Honduras | Football | 2020 Summer | |
| José de Jesús García | Mexico | Boxing | 1988 Summer | |
| José Luis García | Guatemala | Wrestling | 1968 Summer | |
| Juan García | Cuba | Basketball | 1948 Summer, 1952 Summer | |
| Juan García | Spain | Shooting | 1964 Summer, 1968 Summer | |
| Juan García | Cuba | Athletics | 1968 Summer | |
| Juan García | Spain | Equestrian jumping | 1988 Summer | |
| Juan Carlos García | Colombia, Italy | 1988 Summer, 1992 Summer, 2004 Summer | |
| Juan Francisco García | Mexico | Boxing | 1972 Summer | |
| Juan Manuel García | Water polo | 1968 Summer, 1972 Summer, 1976 Summer | |
| Juan Pablo García | Football | 2004 Summer | |
| Juanín García | Spain | Handball | 2004 Summer, 2008 Summer | |
| Julio Rodolfo García | Guatemala | Football | 1968 Summer, 1976 Summer | |
| Junior García | Dominican Republic | Baseball | 2020 Summer | |
| Kiko García | Spain | Road cycling | 1992 Summer | |
| Kimberly García | Peru | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Kriscia García | El Salvador | 1984 Summer, 1988 Summer | |
| Luan Garcia | Brazil | Football | 2016 Summer | |
| Lucía García | Spain | 2024 Summer | |
| Luís García | Portugal | Athletics | 1948 Summer | |
| Luis García | Venezuela | Fencing | 1960 Summer, 1968 Summer | |
| Luis García | Uruguay | Basketball | 1964 Summer | |
| Luis García | Mexico | Football | 1996 Summer | |
| Luis García | Dominican Republic | Weightlifting | 2016 Summer, 2020 Summer | |
| Luis Alberto García | Venezuela | Taekwondo | 2004 Summer | |
| Luis Eduardo García | Spain | Handball | 1992 Summer | |
| Luis Fernando García | Guatemala | Athletics | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Luis Miguel García | Mexico | Rowing | 1988 Summer, 1992 Summer | |
| Magalys García | Cuba | Athletics | 1996 Summer, 2000 Summer | |
| Manuel García | Spain | Boxing | 1960 Summer | |
| Manuel García | Biathlon | 1984 Winter | |
| Manuel García | Guam | Road cycling, Track cycling | 1992 Summer | |
| Marcelino Garcia | Virgin Islands | Boxing | 1976 Summer | |
| María García | Spain | Canoe sprint | 2000 Summer, 2004 Summer | |
| Maria Garcia | United States | Short track speed skating | 2006 Winter | |
| María García | Dominican Republic | Judo | 2008 Summer, 2012 Summer | |
| María Esther García | Cuba | Fencing | 1972 Summer, 1980 Summer | |
| Mario García | Spain | Athletics | 2024 Summer | |
| Mario José García | Water polo | 2008 Summer, 2012 Summer | |
| Marta García | Athletics | 2024 Summer | |
| Martha García | Mexico | Rowing | 1992 Summer, 2004 Summer | |
| Mavi García | Spain | Road cycling | 2020 Summer, 2024 Summer | |
| Maximino García | Uruguay | Water polo | 1936 Summer | |
| Mayra García | Mexico | Beach volleyball | 2004 Summer, 2008 Summer | |
| Melique García | Honduras | Athletics | 2024 Summer | |
| Miguel García | Spain | 1920 Summer | |
| Miguel García | Argentina | Boxing | 1968 Summer | |
| Miguel García | Cuba | Water polo | 1968 Summer | |
| Miguel García | Spain | Canoe sprint | 1992 Summer, 1996 Summer | |
| Miguel Ángel García | Wrestling | 1984 Summer | |
| Mirayda García | Cuba | Fencing | 1996 Summer, 2000 Summer | |
| Mireia García | Spain | Swimming | 2000 Summer | |
| Montserrat García | Andorra | Canoe slalom | 2008 Summer | |
| Narzal García | Philippines | Judo | 1964 Summer | |
| Nestor García | Venezuela | Wrestling | 1996 Summer | |
| Néstor García | Uruguay | Athletics | 2000 Summer | |
| Nicolás García | Spain | Taekwondo | 2012 Summer | |
| Nicolás García | Diving | 2020 Summer, 2024 Summer | |
| Nicolás García | Swimming | 2020 Summer | |
| Nuria García | Artistic gymnastics | 1988 Summer | |
| Oscar García | Argentina | Track cycling | 1964 Summer | |
| Óscar García | Spain | Canoe sprint | 1992 Summer | |
| Oscar García | Cuba | Fencing | 1992 Summer, 1996 Summer, 2000 Summer | |
| Óscar García | Spain | Football | 1996 Summer | |
| Osvaldo García | Cuba | Water polo | 1968 Summer, 1972 Summer, 1976 Summer | |
| Ovidio García | Spain | Alpine skiing | 1992 Winter, 1994 Winter | |
| Pablo García | Cuba | Basketball | 1968 Summer | |
| Pablo García | Spain | Luge | 1988 Winter, 1992 Winter | |
| Patricia García | Mexico | Artistic gymnastics | 1972 Summer, 1976 Summer | |
| Patricia García | Spain | Rugby sevens | 2016 Summer | |
| Pedro García | Peru | Boxing | 1948 Summer | |
| Pedro García | Shooting | 1960 Summer | |
| Pedro García | Spain | Handball | 1984 Summer | |
| Philam Garcia | Guam | Athletics | 2000 Summer | |
| Rachel Garcia | United States | Softball | 2020 Summer | |
| Radamel García | Colombia | Football | 1980 Summer | |
| Rafael García | Mexico | 1996 Summer | |
| Ramón García | Spain | Artistic gymnastics | 1960 Summer | |
| Raúl García | Cuba | Basketball | 1948 Summer | |
| Raúl García | Swimming | 1948 Summer | |
| Raúl García | Mexico | Wrestling | 1968 Summer, 1972 Summer | |
| Raúl García | Cuba | Field hockey | 1980 Summer | |
| Ricardo García | Mexico | Modern pentathlon | 1948 Summer | |
| Ricardo García | Road cycling | 1952 Summer | |
| Ricardo García | Costa Rica | Football | 1980 Summer | |
| Ricardo Garcia | Brazil | Volleyball | 2004 Summer, 2012 Summer | |
| Roberto García | El Salvador | Road cycling | 1968 Summer | |
| Roberto García | Spain | Athletics | 2004 Summer | |
| Rocío del Alba García | Cycling mountain bike | 2020 Summer | |
| Rosa García | Peru | Volleyball | 1984 Summer, 1988 Summer, 2000 Summer | |
| Rosibel García | Colombia | Athletics | 2008 Summer, 2012 Summer | |
| Russell Garcia | Great Britain | Field hockey | 1988 Summer, 1992 Summer, 1996 Summer | |
| Salvador García | Spain | Fencing | 1924 Summer | |
| Salvador García | Mexico | Boxing | 1972 Summer | |
| Samuel García | Spain | Athletics | 2020 Summer | |
| Sergio García | Swimming | 2008 Summer | |
| Sergio García | Golf | 2016 Summer | |
| Sharette García | Belize | Athletics | 1996 Summer | |
| Soledad García | Argentina | Field hockey | 2000 Summer, 2004 Summer, 2008 Summer | |
| Soraya García | Spain | Handball | 2004 Summer | |
| Susana García | Artistic gymnastics | 2000 Summer | |
| Thompson García | Ecuador | Boxing | 1996 Summer | |
| Vanessa García | Puerto Rico | Swimming | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Víctor García | Mexico | Water polo | 1972 Summer | |
| Víctor García | Cuba | Volleyball | 1976 Summer, 1980 Summer | |
| Víctor García | Spain | Athletics | 2012 Summer | |
| Wilfredo García | Cuba | Wrestling | 2000 Summer | |
| William Garcia | United States | Athletics | 1904 Summer | |
| Willis García | Venezuela | Judo | 1992 Summer | |
| Xavier García | Spain, Croatia | Water polo | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Yoel García | Cuba | Athletics | 1996 Summer, 2000 Summer | |
| Yohan García | Swimming | 2000 Summer | |
| Yonder García | Volleyball | 2016 Summer | |
| Yordanis García | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Yosenki García | Volleyball | 2000 Summer | |
| Yunisleidy García | Athletics | 2024 Summer | |
| Laura García-Caro | Spain | 2020 Summer, 2024 Summer | |
| Juantxo García-Mauriño | Field hockey | 1988 Summer, 1992 Summer, 1996 Summer | |
| Manuel García-Moran | Alpine skiing | 1960 Winter | |
| Imanol Garciandia | Handball | 2024 Summer | |
| Carlos García-Ordóñez [ Wikidata ] | Cuba | Basketball | 1952 Summer | |
| Nomar Garciaparra | United States | Baseball | 1992 Summer | |
| Tony Garcy | Weightlifting | 1964 Summer | |
| Krisztina Garda | Hungary | Water polo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Fatima Ezzahra Gardadi | Morocco | Athletics | 2024 Summer | |
| Hubert Gardas | France | Fencing | 1980 Summer | |
| Milica Gardašević | Serbia | Athletics | 2024 Summer | |
| Michael Gärdebäck | Sweden | Luge | 1976 Winter | |
| Georges Gardebois | France | Boxing | 1928 Summer | |
| Stina Gardell | Sweden | Swimming | 2012 Summer, 2016 Summer | |
| Valentina Gardellin | Italy | Basketball | 1996 Summer | |
| Linda Garden | Australia | Athletics | 1984 Summer | |
| Jason Gardener | Great Britain | 2000 Summer, 2004 Summer | |
| Kenth Gardenkrans | Sweden | 1980 Summer | |
| Jean-Kersley Gardenne | Mauritius | 1992 Summer, 1996 Summer | |
| Philippe Gardent | France | Handball | 1992 Summer | |
| André Gardère | Fencing | 1936 Summer | |
| Edward Gardère | 1932 Summer, 1936 Summer | |
| Hein van Garderen | South Africa | 1992 Summer | |
| Tejay van Garderen | United States | Road cycling | 2012 Summer | |
| Dominique Gardères | France | Equestrian jumping | 1900 Summer | |
| Anders Gärderud | Sweden | Athletics | 1968 Summer, 1972 Summer, 1976 Summer | |
| Jean-Marc Gardette | Seychelles | Sailing | 2016 Summer | |
| Charles Gardetto | Monaco | Rowing | 1928 Summer | |
| Émile Gardetto | 1928 Summer | |
| Raoul du Gardier | France | Art competitions | 1928 Summer, 1932 Summer | |
| Gardiès [ Wikidata ] | Fencing | 1900 Summer | |
| Gösta Gärdin | Sweden | Modern pentathlon | 1948 Summer | |
| Bob Gardiner | Australia | Athletics | 1964 Summer, 1968 Summer | |
| Damian Gardiner | Ireland | Equestrian jumping | 1996 Summer | |
| David Gardiner | Guatemala | Football | 1988 Summer | |
| George Gardiner | Great Britain | Wrestling | 1924 Summer | |
| Jim Gardiner | United States | Rowing | 1956 Summer | |
| John Gardiner | Great Britain | Football | 1936 Summer | |
| John Gardiner | Australia | Basketball | 1964 Summer | |
| Pauline Gardiner | New Zealand | Artistic gymnastics | 1964 Summer | |
| Rija Gardiner [ Wikidata ] | Madagascar | Athletics | 2024 Summer | |
| Steven Gardiner | Bahamas | 2016 Summer, 2020 Summer | |
| Susan Gardiner | Canada | Water polo | 2000 Summer, 2004 Summer | |
| Tricia Gardiner | Great Britain | Equestrian dressage | 1988 Summer | |
| Karen Gardiner-Kah | Australia | Short track speed skating | 1992 Winter, 1994 Winter | |
| Andrea Gardini | Italy | Volleyball | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Renato Gardini | Wrestling | 1912 Summer | |
| Corrie Gardner | Australia | Athletics | 1904 Summer | |
| Darren Gardner | Canada | Snowboarding | 2018 Winter | |
| Dora Gardner | Great Britain | Athletics | 1948 Summer | |
| Elizabeth Gardner | Australia | Freestyle skiing | 2006 Winter, 2010 Winter | |
| English Gardner | United States | Athletics | 2016 Summer, 2020 Summer | |
| Gabriel Gardner | Volleyball | 2004 Summer, 2008 Summer | |
| Jack Gardner | Great Britain | Boxing | 1948 Summer | |
| Keith Gardner | Jamaica, West Indies Federation | Athletics | 1956 Summer, 1960 Summer | |
| Maureen Gardner | Great Britain | 1948 Summer | |
| Murray Gardner | New Zealand | Alpine skiing | 1968 Winter | |
| Neil Gardner | Jamaica | Athletics | 1996 Summer | |
| Nigel Gardner | Great Britain | Alpine skiing | 1956 Winter | |
| Packey Gardner | Hong Kong | Field hockey | 1964 Summer | |
| Peter Gardner | Australia | Athletics | 1948 Summer | |
| Peter Gardner | Great Britain | Rowing | 2004 Summer | |
| Randy Gardner | United States | Figure skating | 1976 Winter | |
| Richard Gardner | Zimbabwe | Shooting | 1980 Summer | |
| Rulon Gardner | United States | Wrestling | 2000 Summer, 2004 Summer | |
| Ryan Gardner | Switzerland | Ice hockey | 2014 Winter | |
| Robert Gardos | Austria | Table tennis | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Eduardo Garduño | Mexico | Football | 1948 Summer | |
| Prodan Gardzhev | Bulgaria | Wrestling | 1960 Summer, 1964 Summer, 1968 Summer | |
| Arkadiusz Gardzielewski | Poland | Athletics | 2020 Summer | |
| France Gareau | Canada | 1984 Summer | |
| Jacqueline Gareau | 1984 Summer | |
| Khristos Garefis | Greece | Sailing | 2004 Summer | |
| Kerstin Garefrekes | Germany | Football | 2004 Summer, 2008 Summer | |
| Gable Garenamotse | Botswana | Athletics | 2004 Summer, 2008 Summer | |
| Roy Garforth | Great Britain | Water polo | 1948 Summer | |
| Ashok Kumar Garg | India | Wrestling | 1992 Summer | |
| María Teresa Gargallo | Spain | Athletics | 2004 Summer | |
| Andrea Gargano | Italy | Wrestling | 1912 Summer, 1924 Summer | |
| Camillo Gargano | Sailing | 1968 Summer | |
| Francesco Gargano | Fencing | 1920 Summer | |
| Margherita Gargano | Athletics | 1976 Summer | |
| Maria Teresa Gargano | Artistic gymnastics | 2004 Summer | |
| Nicky Gargano | Great Britain | Boxing | 1956 Summer | |
| Denis Gargaud Chanut | France | Canoe slalom | 2016 Summer | |
| Alfredo Gargiullo | Italy | Athletics | 1924 Summer | |
| Rafael Gargiulo | Argentina | Boxing | 1960 Summer, 1964 Summer | |
| Mohammed Gargo | Ghana | Football | 1992 Summer | |
| Roba Gari | Ethiopia | Athletics | 2008 Summer, 2012 Summer | |
| Chris Garia | Netherlands | 2020 Summer | |
| Abukari Gariba | Ghana | Football | 1968 Summer, 1972 Summer | |
| Salaam Gariba | Athletics | 1988 Summer | |
| César Garibaldi | Argentina | Weightlifting | 1928 Summer | |
| Héctor Garibay | Bolivia | Athletics | 2024 Summer | |
| Arianna Garibotti | Italy | Water polo | 2016 Summer | |
| Emin Garibov | Russia | Artistic gymnastics | 2012 Summer | |
| Amar Garibović | Serbia | Cross country skiing | 2010 Winter | |
| Mohamed Ryad Garidi | Algeria | Rowing | 2008 Summer | |
| Ioannis Garifallos | Greece | Water polo | 1980 Summer | |
| Ildar Garifullin | Soviet Union | Nordic combined | 1984 Winter | |
| Renée Garilhe | France | Fencing | 1948 Summer, 1952 Summer, 1956 Summer, 1960 Summer | |
| Oscar Garin | Switzerland | Athletics | 1920 Summer | |
| Patricio Garino | Argentina | Basketball | 2016 Summer, 2020 Summer | |
| Zulfiya Garipova | Russia | Judo | 1996 Summer | |
| María Garisoain | Argentina | Rowing | 1996 Summer, 2000 Summer | |
| Audrey Garland | Canada | Figure skating | 1936 Winter | |
| Jack Garland | Great Britain | Boxing | 1928 Summer | |
| Susy Garland | Figure skating | 1980 Winter, 1984 Winter | |
| Basil Spalding de Garmendia | United States | Tennis | 1900 Summer | |
| Harri Garmendia | Spain | Swimming | 1984 Summer | |
| Marek Garmulewicz | Poland | Wrestling | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Janja Garnbret | Slovenia | Sport climbing | 2020 Summer, 2024 Summer | |
| Louis Garneau | Canada | Road cycling | 1984 Summer | |
| Jesper Garnell | Denmark | Boxing | 1980 Summer | |
| Charles Garner | United States | Sailing | 1936 Summer | |
| Mark Garner | Australia | Athletics | 1988 Summer, 1992 Summer | |
| Sarah Garner | United States | Rowing | 2000 Summer | |
| Leo Garnes | Barbados | Athletics | 1992 Summer | |
| Kevin Garnett | United States | Basketball | 2000 Summer | |
| Russell Garnett [ Wikidata ] | Australia | Handball | 2000 Summer | |
| Robin Garnham | Great Britain | 2012 Summer | |
| Mohamad Al-Garni | Qatar | Athletics | 2012 Summer | |
| Charles Garnier [ Wikidata ] | France | Rowing | 1912 Summer | |
| Georges Garnier | Football | 1900 Summer | |
| Mateusz Garniewicz | Poland | Alpine skiing | 2014 Winter | |
| Gheorghe Gârniță | Romania | Biathlon | 1976 Winter | |
| Louis Garnoty [ Wikidata ] | France | Fencing | 1900 Summer | |
| Armin Garnreiter | West Germany | Archery | 1984 Summer | |
| Otto Garnus | Switzerland | Athletics, Weightlifting | 1924 Summer, 1928 Summer | |
| Denis Garon | Canada | Weightlifting | 1984 Summer, 1988 Summer, 1992 Summer | |
| Artūrs Garonskis | Soviet Union | Rowing | 1980 Summer | |
| Vincent Garos | France | Sailing | 2012 Summer | |
| Karyn Garossino | Canada | Figure skating | 1988 Winter | |
| Rod Garossino | 1988 Winter | |
| Albane Garot [ Wikidata ] | France | Field hockey | 2024 Summer | |
| Daniele Garozzo | Italy | Fencing | 2016 Summer, 2020 Summer | |
| Enrico Garozzo | 2016 Summer, 2020 Summer | |
| Torkild Garp | Denmark | Artistic gymnastics | 1912 Summer | |
| Christer Garpenborg | Sweden | Athletics | 1976 Summer | |
| Jerzy Garpiel | Poland | Handball | 1980 Summer | |
| Gunnar Garpö | Sweden | Bobsleigh | 1952 Winter | |
| Marcelo Garraffo | Argentina | Field hockey | 1976 Summer, 1988 Summer, 1992 Summer | |
| Mateo Garralda | Spain | Handball | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Rafael Garralda | Field hockey | 1980 Summer | |
| Brett Garrard | Great Britain | 2000 Summer, 2004 Summer | |
| Dick Garrard | Australia | Wrestling | 1936 Summer, 1948 Summer, 1952 Summer | |
| Richard Garrard | Rowing | 1964 Summer | |
| Ken Garraway | Canada | Football | 1984 Summer | |
| Walter Garre | Uruguay | Road cycling | 1968 Summer | |
| Georges Garreau | France | Diving | 1924 Summer | |
| Auguste Garrebeek | Belgium | Road cycling, Track cycling | 1936 Summer | |
| Johann Garreis | Germany | Shooting | 1964 Summer | |
| John Garrels | United States | Athletics | 1908 Summer | |
| Jorge Garretón | Chile | Fencing | 1928 Summer | |
| Carla Garrett | United States | Athletics | 1992 Summer | |
| John Garrett | Great Britain | Rowing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Robert Garrett | United States | Athletics | 1896 Summer, 1900 Summer | |
| Robert Garrett | Germany | Basketball | 2008 Summer | |
| Zach Garrett | United States | Archery | 2016 Summer | |
| Murray Garretty | Australia | Swimming | 1956 Summer | |
| Luca Garri | Italy | Basketball | 2004 Summer | |
| Gonzalo Garrido | Chile | Road cycling | 2008 Summer, 2012 Summer | |
| Jesús Garrido | Spain | Volleyball | 1992 Summer | |
| Jonathan Garrido | Track cycling | 1992 Summer | |
| Luis Garrido | Puerto Rico | Shooting | 1988 Summer | |
| Luis Garrido | Honduras | Football | 2012 Summer | |
| Luis Ramón Garrido | Mexico | Badminton | 2024 Summer | |
| Orlando Garrido | Cuba | Weightlifting | 1948 Summer, 1952 Summer | |
| Pablo Garrido | Mexico | Athletics | 1968 Summer | |
| Víctor Garrido | Chile | Road cycling | 1996 Summer | |
| Juan Garriga | Spain | Alpine skiing | 1964 Winter | |
| Luis María Garriga | Athletics | 1964 Summer, 1968 Summer | |
| Neus Garriga | Sailing | 2000 Summer, 2004 Summer | |
| Francisco Garrigós | Judo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Thomas Garrigus | United States | Shooting | 1968 Summer | |
| Heather Garriock | Australia | Football | 2000 Summer, 2004 Summer | |
| John Garrison | United States | Ice hockey | 1932 Winter, 1936 Winter | |
| Kelly Garrison | Artistic gymnastics | 1988 Summer | |
| Zina Garrison | Tennis | 1988 Summer, 1992 Summer | |
| Nel Garritsen | Netherlands | Swimming | 1952 Summer | |
| Jack Garrity | United States | Ice hockey | 1948 Winter | |
| Magdalena Garro | Argentina | Canoe sprint | 2016 Summer | |
| Laura Garrone | Italy | Tennis | 1992 Summer | |
| María Virginia Garrone | Argentina | Swimming | 2000 Summer | |
| Antón Garrote | Spain | Sailing | 1996 Summer | |
| Donald Garrow | Great Britain | Alpine skiing | 1948 Winter | |
| Pierre Garsau | France | Water polo | 1988 Summer, 1992 Summer | |
| Rémi Garsau | 2016 Summer | |
| Kurt Garschal | Austria | Track cycling | 1960 Summer | |
| Hubert Garschall | Shooting | 1968 Summer, 1972 Summer, 1976 Summer | |
| Audun Garshol | Norway | Athletics | 1972 Summer | |
| Harry Garside | Australia | Boxing | 2020 Summer, 2024 Summer | |
| Nona Garson | United States | Equestrian jumping | 2000 Summer | |
| Timi Garstang | Marshall Islands | Athletics | 2012 Summer | |
| Aby Gartmann | Switzerland | Bobsleigh | 1956 Winter | |
| Arnold Gartmann | 1936 Winter | |
| Arnold Gartmann | Luge | 1964 Winter | |
| Peter Gartmayer | Austria | Beach volleyball | 2004 Summer, 2008 Summer | |
| Carlo Gartner | Italy | Alpine skiing | 1948 Winter, 1952 Winter | |
| Franc Gartner | Yugoslavia | Road cycling | 1936 Summer | |
| Gudrun Gärtner | East Germany | Volleyball | 1976 Summer | |
| Renate Gärtner | West Germany | Athletics | 1972 Summer | |
| Stanley Garton | Great Britain | Rowing | 1912 Summer | |
| Stacey Gartrell | Australia | Swimming | 1996 Summer | |
| Usman Garuba | Spain | Basketball | 2020 Summer, 2024 Summer | |
| Gord Garvie | Canada | Wrestling | 1968 Summer | |
| Robert Gary | United States | Athletics | 1996 Summer, 2004 Summer | |
| Andreas Garyfallos | Greece | Water polo | 1968 Summer | |
| Rafael Garza Gutiérrez | Mexico | Football | 1928 Summer | |
| Alejandra Garza | Weightlifting | 2016 Summer | |
| Eugenio Garza | Equestrian jumping | 2020 Summer, 2024 Summer | |
| Federico Garza | 1984 Summer | |
| Juan de la Garza | Athletics | 1984 Summer | |
| Rodrigo Garza | Spain | Field hockey | 2000 Summer, 2004 Summer, 2008 Summer | |
| Victoria Garza [ Wikidata ] | Dominican Republic | Diving | 2024 Summer | |
| Charles Garzarella | Australia | Weightlifting | 1988 Summer | |
| Enrico Garzelli | Italy | Rowing | 1932 Summer, 1936 Summer | |
| Edoardo Garzena | Boxing | 1920 Summer | |
| Geandry Garzón | Cuba | Wrestling | 2008 Summer, 2020 Summer | |
| José Luis Garzón | Spain | Football | 1968 Summer | |
| Antonio Garzoni Provenzani | Italy | Rowing | 1932 Summer | |
| Andrea Gasbarroni | Football | 2004 Summer | |
| Loïc Gasch | Switzerland | Athletics | 2020 Summer | |
| Uwe Gasch | East Germany | Rowing | 1988 Summer | |
| Jan Gasche | Czechoslovakia | Shooting | 1936 Summer | |
| Alfred Gaschen | Switzerland | Athletics | 1920 Summer | |
| Liliane Gaschet | France | 1984 Summer | |
| Dario Alejandro Gasco | Argentina | Cycling mountain bike | 2008 Summer | |
| Florencio Gascón | Spain | Athletics | 1988 Summer | |
| Sergio Gascue | Venezuela | Boxing | 1952 Summer | |
| Kebapetse Gaseitsiwe | Botswana | Athletics | 1988 Summer, 1992 Summer | |
| Tharcisse Gashaka | Burundi | 1996 Summer | |
| Tigist Gashaw | Bahrain | 2016 Summer, 2024 Summer | |
| Irina Gashennikova | Russia | Ice hockey | 2002 Winter, 2006 Winter, 2010 Winter | |
| Helena Gąsienica Daniel | Poland | Cross country skiing | 1956 Winter, 1960 Winter | |
| Stanisław Gąsienica Daniel | Ski jumping | 1972 Winter | |
| Franciszek Gąsienica Groń | Nordic combined | 1956 Winter | |
| Józef Gąsienica | 1968 Winter, 1972 Winter | |
| Patrick Gasienica | United States | Ski jumping | 2022 Winter | |
| Agnieszka Gąsienica-Daniel | Poland | Alpine skiing | 2010 Winter | |
| Maryna Gąsienica-Daniel | 2014 Winter, 2018 Winter, 2022 Winter | |
| Józef Gąsienica-Sobczak | Cross country skiing, Biathlon | 1956 Winter, 1960 Winter, 1964 Winter, 1968 Winter | |
| André Gasiglia | France | Wrestling | 1920 Summer | |
| Elmar Gasimov | Azerbaijan | Judo | 2012 Summer, 2016 Summer | |
| Ramil Gasimov | 2008 Summer | |
| Ruslan Gasimov | Russia | 2008 Summer | |
| Kifayat Gasimova | Azerbaijan | 2008 Summer, 2012 Summer | |
| Bob Gasio | Samoa | Boxing | 1996 Summer | |
| Franciszek Gąsior | Poland | Handball | 1972 Summer | |
| Łukasz Gąsior | Swimming | 2008 Summer | |
| J. B. Gaskell [ Wikidata ] | United States | Art competitions | 1932 Summer | |
| Stacy Gaskill | Snowboarding | 2022 Winter | |
| Hannibal Gaskin | Guyana | Swimming | 2016 Summer | |
| Ingvild Gåskjenn | Norway | Road cycling | 2024 Summer | |
| Tull Gasmann | Alpine skiing | 1952 Winter | |
| Marc Gasol | Spain | Basketball | 2008 Summer, 2012 Summer, 2020 Summer | |
| Pau Gasol | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Antoinette Gasongo | Burundi | Judo | 2016 Summer | |
| Csaba Gaspar | Argentina | Fencing | 1984 Summer | |
| Đuro Gašpar | Yugoslavia | Athletics | 1924 Summer | |
| Jenő Gáspár | Hungary | 1924 Summer | |
| José Luis Gaspar | Cuba | 2016 Summer | |
| Marin Gașpar | Romania | Boxing | 1936 Summer | |
| Olivér Gáspár | Hungary | Shooting | 1988 Summer, 1992 Summer | |
| Renato Gašpar | Croatia | Alpine skiing | 1998 Winter | |
| Tamás Gáspár | Hungary | Wrestling | 1980 Summer, 1988 Summer | |
| Zsolt Gáspár | Swimming | 2000 Summer, 2004 Summer | |
| Zdenka Gašparac | Yugoslavia | 1968 Summer, 1972 Summer | |
| Florine Gaspard | Belgium | 2024 Summer | |
| Valentino Gasparella | Italy | Track cycling | 1956 Summer, 1960 Summer | |
| Alessandra Gasparelli | San Marino | Athletics | 2024 Summer | |
| Delfina Gaspari | France | Field hockey | 2024 Summer | |
| Diana Gaspari | Italy | Curling | 2006 Winter | |
| Gianfranco Gaspari | Bobsleigh | 1968 Winter, 1972 Winter | |
| Mattia Gaspari | Skeleton | 2022 Winter | |
| Aita Gasparin | Switzerland | Biathlon | 2014 Winter, 2018 Winter | |
| Elisa Gasparin | 2014 Winter, 2018 Winter | |
| Selina Gasparin | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Philippe Gasparini | France | Sailing | 2000 Summer | |
| Sandra Gasparini | Italy | Luge | 2010 Winter, 2014 Winter | |
| Marc Gasparoni | France | Athletics | 1984 Summer | |
| Jean-Pierre Gasparotti | Monaco | Shooting | 1984 Summer | |
| Marta Gasparotto [ Wikidata ] | Italy | Softball | 2020 Summer | |
| Robert Gasper | Canada | Luge | 1988 Winter, 1992 Winter, 1994 Winter | |
| Giovanni Gasperini | Italy | Artistic gymnastics | 1908 Summer | |
| Elio Gasperoni [ Wikidata ] | San Marino | Shooting | 1980 Summer, 1984 Summer | |
| Jason Gasperoni | Alpine skiing | 1992 Winter | |
| Miran Gašperšič | Yugoslavia | 1976 Winter | |
| Ivan Kljaković Gašpić | Croatia | Sailing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Joël Gaspoz | Switzerland | Alpine skiing | 1980 Winter, 1984 Winter, 1988 Winter | |
| Richard Gasquet | France | Tennis | 2012 Summer | |
| Nicole Gass | Switzerland | Ice hockey | 2018 Winter | |
| Kaba Gassama | Spain | Handball | 2024 Summer | |
| Anushavan Gassan-Dzhalalov | Soviet Union | Rowing | 1976 Summer | |
| Anna Gasser | Austria | Snowboarding | 2014 Winter, 2018 Winter, 2022 Winter | |
| Barbara Gasser | Artistic gymnastics | 2012 Summer | |
| Mischa Gasser | Switzerland | Freestyle skiing | 2014 Winter, 2018 Winter | |
| Norbert Gasser | Italy | Ice hockey | 1984 Winter | |
| Walter Gasser | Switzerland | Weightlifting | 1928 Summer | |
| Pedro Gasset | Spain | Field hockey | 1948 Summer | |
| Daniela Gassmann | Switzerland | Cycling mountain bike | 1996 Summer | |
| Roland Gassmann | Handball | 1984 Summer | |
| Alexander Gassner | Germany | Skeleton | 2018 Winter, 2022 Winter | |
| Josef Gassner | Liechtenstein | Alpine skiing | 1964 Winter, 1968 Winter | |
| Max Gassner | 1948 Winter | |
| Rainer Gassner | Luge | 1976 Winter, 1980 Winter | |
| Helena Gasson | New Zealand | Swimming | 2016 Summer | |
| Valeri Gassy | Soviet Union | Handball | 1972 Summer, 1976 Summer | |
| Béryl Gastaldello | France | Swimming | 2016 Summer, 2020 Summer, 2024 Summer | |
| Nicol Gastaldi | Argentina | Alpine skiing | 2010 Winter, 2018 Winter | |
| Sebastiano Gastaldi | 2014 Winter, 2018 Winter | |
| Marie-Charlotte Gastaud [ Wikidata ] | Monaco | Athletics | 2024 Summer | |
| Ernst Gaste | Germany | Figure skating | 1928 Winter | |
| Gertrud Gasteiger | Austria | Cross country skiing | 1976 Winter | |
| Jo van Gastel | Netherlands | Archery | 1920 Summer | |
| Johannes van Gastel | 1900 Summer | |
| Cocky Gastelaars | Swimming | 1960 Summer | |
| Marina Gastl | Austria | Wrestling | 2004 Summer | |
| Zenta Gastl-Kopp | Germany | Athletics | 1956 Summer, 1960 Summer | |
| Peik Gästrin | Finland | Sailing | 1960 Summer | |
| Lelde Gasūna | Latvia | Alpine skiing | 2014 Winter, 2018 Winter | |
| Róbert Gátai | Hungary | Fencing | 1988 Summer, 1992 Summer | |
| Radion Gataullin | Soviet Union | Athletics | 1988 Summer | |
| Aaron Gate | New Zealand | Track cycling | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Denis Gaté | France | Rowing | 1980 Summer, 1984 Summer | |
| Simon Gate | Sweden | Art competitions | 1932 Summer, 1936 Summer | |
| Marie-Pierre Gatel | France | Alpine skiing | 1992 Winter | |
| Michael Gateley | India | Field hockey | 1928 Summer | |
| Jesús Gatell | Spain | Luge | 1968 Winter | |
| Ernie Gates | Canada | Road cycling | 1932 Summer | |
| Greg Gates | United States | Rowing | 1948 Summer | |
| Richard Gates | Sailing | 1972 Summer | |
| Walter Gates | South Africa | Fencing | 1908 Summer, 1912 Summer | |
| William Jeremiah Gates | United States | Canoe sprint | 1968 Summer | |
| Yoav Gath | Israel | Swimming | 2000 Summer | |
| Terry Gathercole | Australia | 1956 Summer, 1960 Summer | |
| James Gathers | United States | Athletics | 1952 Summer | |
| Samuel Gathimba | Kenya | 2016 Summer, 2024 Summer | |
| Jean-Philippe Gatien | France | Table tennis | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Henri Gatineau | Rowing | 1924 Summer, 1928 Summer | |
| Tomasz Gatka | Poland | Bobsleigh | 1998 Winter, 2002 Winter | |
| Lyle Gatley | Canada | Rowing | 1968 Summer | |
| Justin Gatlin | United States | Athletics | 2004 Summer, 2012 Summer, 2016 Summer | |
| Idalmis Gato | Cuba | Volleyball | 1992 Summer, 1996 Summer | |
| Ramón Gato | 2000 Summer | |
| Spyridon Gatos | Greece | Rowing | 1988 Summer | |
| Carlos Gats | Argentina | Athletics | 1996 Summer, 2000 Summer | |
| Khadzhimurat Gatsalov | Russia | Wrestling | 2004 Summer | |
| Konstadinos Gatsioudis | Greece | Athletics | 1996 Summer, 2000 Summer | |
| Jason Gatson | United States | Artistic gymnastics | 2004 Summer | |
| Sasha Gatt | Malta | Swimming | 2020 Summer, 2024 Summer | |
| Wilma Gatta | Italy | Alpine skiing | 1976 Winter, 1980 Winter | |
| Carol Gattaz | Brazil | Volleyball | 2020 Summer | |
| Rocky Gattellari | Australia | Boxing | 1960 Summer | |
| Daniela Gattelli | Italy | Beach volleyball | 2000 Summer, 2004 Summer | |
| Bat-El Gatterer | Israel | Taekwondo | 2008 Summer | |
| Franz Gattermann | Austria | Cross country skiing | 1976 Winter, 1984 Winter | |
| Klaus Gattermann | West Germany | Alpine skiing | 1984 Winter | |
| Guido Carlo Gatti | Italy | Basketball | 1968 Summer | |
| Luigi Gatti | Weightlifting | 1920 Summer | |
| Matteo Gatti [ Wikidata ] | San Marino | Alpine skiing | 2022 Winter | |
| Pierluigi Gatti | Italy | Athletics | 1960 Summer | |
| Federico Gattinoni | Rowing | 2004 Summer | |
| Heinz Gattringer | Austria | 1936 Summer | |
| Soslan Gattsiev | Belarus | Wrestling | 2012 Summer | |
| Gennaro Gattuso | Italy | Football | 2000 Summer | |
| Sébastien Gattuso | Monaco | Bobsleigh, Athletics | 2002 Winter, 2004 Summer, 2008 Summer, 2010 Winter, 2014 Winter | |
| Cristian Gațu | Romania | Handball | 1972 Summer, 1976 Summer | |
| Ilfat Gatyatullin | Kazakhstan | Canoe sprint | 1996 Summer | |
| Laura Gauché | France | Alpine skiing | 2018 Winter, 2022 Winter | |
| Josef Gauchel | Germany | Football | 1936 Summer | |
| Gaucher [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Kim Gaucher | Canada | Basketball | 2012 Summer, 2016 Summer, 2020 Summer | |
| Gloria Gauchia | Spain | Table tennis | 1992 Summer | |
| Pedrinho Gaúcho | Brazil | Football | 1972 Summer | |
| Michael Gauci | Malta | Shooting | 1984 Summer | |
| France Gaud | France | Canoe sprint | 1972 Summer | |
| Cesar Gaudard | Switzerland | Wrestling | 1936 Summer | |
| Andrea Gaudenzi | Italy | Tennis | 1996 Summer | |
| Hartwig Gauder | East Germany, Germany | Athletics | 1980 Summer, 1988 Summer, 1992 Summer | |
| Pierre Gaudermen | France | Sailing | 1936 Summer | |
| Arnaud Gaudet | Canada | Snowboarding | 2022 Winter | |
| Benoit Gaudet | Boxing | 2004 Summer | |
| Daniel Gaudet | Artistic gymnastics | 1984 Summer | |
| Emanuele Gaudiano | Italy | Equestrian jumping | 2016 Summer, 2020 Summer | |
| Luigi Gaudiano | Boxing | 1988 Summer | |
| André Gaudin | France | Rowing | 1900 Summer | |
| César Gaudin | Puerto Rico | Weightlifting | 1972 Summer | |
| Christian Gaudin | France | Handball | 1996 Summer, 2000 Summer | |
| Damien Gaudin | Track cycling | 2008 Summer | |
| Lucien Gaudin | Fencing | 1920 Summer, 1924 Summer, 1928 Summer | |
| Giulio Gaudini | Italy | 1924 Summer, 1928 Summer, 1932 Summer, 1936 Summer | |
| André Gaudinot | France | Wrestling | 1968 Summer | |
| Gastón Gaudio | Argentina | Tennis | 2000 Summer | |
| Natália Gaudio | Brazil | Rhythmic gymnastics | 2016 Summer | |
| Paul Gaudoin | Australia | Field hockey | 1996 Summer, 2000 Summer | |
| Robert Gaudreau | United States | Ice hockey | 1968 Winter | |
| Jessica Gaudreault | Canada | Water polo | 2024 Summer | |
| Blake Gaudry | Australia | Trampolining | 2012 Summer, 2016 Summer | |
| Tracey Gaudry | Road cycling | 1996 Summer, 2000 Summer | |
| David Gaudu | France | 2020 Summer | |
| Donald Gauf | Canada | Ice hockey | 1952 Winter | |
| Coco Gauff | United States | Tennis | 2024 Summer | |
| Heidi-Elke Gaugel | West Germany | Athletics | 1984 Summer | |
| James Gaughran | United States | Water polo | 1956 Summer | |
| Jean René Gauguin | Denmark | Art competitions | 1924 Summer | |
| David Gaul | United States | Swimming | 1904 Summer | |
| Jean Frain de la Gaulayrie | France | Sailing | 1948 Summer, 1952 Summer | |
| Lindsay Gauld | Canada | Road cycling | 1972 Summer | |
| Jack Gauldie | Water polo | 1972 Summer | |
| Fritz Gaulhofer | Austria | Equestrian dressage | 2004 Summer | |
| Scott Gault | United States | Rowing | 2008 Summer, 2012 Summer | |
| Charles Gaulthier | France | Sailing | 1936 Summer | |
| Stephanie Gaumnitz | Germany | Track cycling | 2016 Summer | |
| Philippe Gaumont | France | Road cycling, Track cycling | 1992 Summer, 2000 Summer | |
| Albert Gaun | Russia | Taekwondo | 2016 Summer | |
| Victor Gauntlett | South Africa | Tennis | 1908 Summer | |
| Arne Gaupset | Norway | Wrestling | 1924 Summer | |
| Robert Gaupset | 1928 Summer | |
| Victor Găureanu | Romania | Fencing | 1992 Summer, 2000 Summer | |
| Raymond Gause | Puerto Rico | Basketball | 1988 Summer, 1992 Summer | |
| Terrell Gausha | United States | Boxing | 2012 Summer | |
| Beate Gauß | Germany | Shooting | 2012 Summer | |
| Robert Gausterer | Austria | Boxing | 1948 Summer | |
| Isabelle Gautheron | France | Track cycling | 1988 Summer | |
| Albert Gauthier [ Wikidata ] | Fencing | 1900 Summer | |
| Antoinette Gauthier | Haiti | Athletics | 1976 Summer | |
| Benoît Gauthier | Canada | Canoe slalom | 1996 Summer, 2000 Summer | |
| Bernard Gauthier | France | Athletics | 1972 Summer | |
| Dominick Gauthier | Canada | Freestyle skiing | 1998 Winter | |
| E. Gauthier [ Wikidata ] | France | Artistic gymnastics | 1908 Summer | |
| Frédéric Gauthier | Canoe sprint | 2000 Summer | |
| Henri Gauthier | Sailing | 1900 Summer | |
| Jean-Guy Gautier | Rugby | 1900 Summer | |
| Kristin Ann Gauthier | Canada | Canoe sprint | 2008 Summer | |
| Louis Gauthier [ Wikidata ] | France | Fencing | 1900 Summer | |
| Pierre Gauthier | Sailing | 1924 Summer | |
| Raphaelle Gauthier [ Wikidata ] | Australia | Artistic swimming | 2024 Summer | |
| Rose-Marie Gauthier | Haiti | Athletics | 1976 Summer | |
| Tiffany Gauthier | France | Alpine skiing | 2018 Winter, 2022 Winter | |
| François Gauthier-Drapeau | Canada | Judo | 2024 Summer | |
| Georges Gauthier-Lafond | France | Shooting | 1948 Summer | |
| Arnaud Gauthier-Rat [ Wikidata ] | Beach volleyball | 2024 Summer | |
| Christophe Gautier | Water polo | 1992 Summer | |
| Loic Gautier | Road cycling | 1976 Summer | |
| Louis Gautier | Field hockey | 1908 Summer | |
| Roger Gautier | Rowing | 1952 Summer | |
| Morgan Gautrat | United States | Football | 2016 Summer | |
| Lise Gautreau | Canada | Rhythmic gymnastics | 1988 Summer | |
| Georges Gautschi | Switzerland | Figure skating | 1924 Winter | |
| Nadia Gautschi | Archery | 1988 Summer | |
| Joël Gauvin | France | Ice hockey | 1968 Winter | |
| Rudy Gauwe | Belgium | Boxing | 1976 Summer | |
| Simon Gauzy | France | Table tennis | 2016 Summer, 2020 Summer, 2024 Summer | |
| Enak Gavaggio | Freestyle skiing | 2010 Winter | |
| Giovanni Gavagnin | Italy | Basketball | 1960 Summer, 1964 Summer | |
| Juan Gavajda | Argentina | Fencing | 1976 Summer | |
| Angélica Gavaldón | Mexico | Tennis | 1992 Summer, 1996 Summer | |
| Saba Gavashelishvili | Georgia | Judo | 2008 Summer | |
| Ion Gavăț | Romania | Bobsleigh | 1928 Winter | |
| Petya Gavazova | Bulgaria | Figure skating | 1988 Winter | |
| Juan Gavazzo | Argentina | Art competitions | 1932 Summer | |
| Rodrigo Gavela | Spain | Athletics | 1992 Summer | |
| Marco Gavelli | Italy | Wrestling | 1936 Summer, 1948 Summer | |
| Rudolf Gavenčiak | Czechoslovakia | Boxing | 1988 Summer | |
| Niki Gavera | Greece | Athletics | 1992 Summer | |
| Artemi Gavezou | Spain | Rhythmic gymnastics | 2016 Summer | |
| Marcelino Gavilán | Equestrian jumping | 1948 Summer, 1952 Summer | |
| Rod Gavin | New Zealand | Canoe sprint | 1976 Summer | |
| Suzanne Gavine-Hlady | Canada | Bobsleigh | 2006 Winter | |
| Francisco Gaviño | Spain | Equestrian eventing | 2020 Summer | |
| Giovane Gávio | Brazil | Volleyball | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Adrián Gavira | Spain | Beach volleyball | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Fernando Gaviria | Colombia | Track cycling | 2016 Summer, 2024 Summer | |
| Hernán Gaviria | Football | 1992 Summer | |
| Juliana Gaviria | Track cycling | 2012 Summer, 2016 Summer | |
| Mayra Gaviria | Athletics | 2024 Summer | |
| Kristína Gavnholt | Czech Republic | Badminton | 2008 Summer, 2012 Summer, 2016 Summer | |
| Achille Gavoglio | Italy | Water polo | 1924 Summer | |
| Mauro Gavotto | Volleyball | 2008 Summer | |
| Ioannis Gavriilidis | Greece | Diving | 2004 Summer | |
| Vladislav Gavrikov | Russian Olympic Committee | Ice hockey | 2018 Winter | |
| Adelina Gavrilă | Romania | Athletics | 2004 Summer, 2008 Summer | |
| Petruș Gavrilă | Canoe sprint | 2012 Summer | |
| Radu Gavrilaş | Athletics | 1972 Summer | |
| Anna Gavrilenko | Russia | Rhythmic gymnastics | 2008 Summer | |
| Yevgeniy Gavrilenko | Soviet Union | Athletics | 1972 Summer, 1976 Summer | |
| Anastasios Gavrilis | Greece | Sailing | 1980 Summer | |
| Alexander Gavrilov | Soviet Union | Figure skating | 1964 Winter | |
| Andrey Gavrilov | Kazakhstan | Swimming | 1996 Summer, 2000 Summer | |
| Angel Gavrilov | Bulgaria | Athletics | 1952 Summer | |
| Ivaylo Gavrilov | Volleyball | 1996 Summer | |
| Valentin Gavrilov | Soviet Union | Athletics | 1968 Summer | |
| Yuri Gavrilov | Football | 1980 Summer | |
| Yuri Gavrilov | Unified Team | Handball | 1992 Summer | |
| Anzhelika Gavrilova | Kazakhstan | Speed skating | 2002 Winter | |
| Iya Gavrilova | Russia | Ice hockey | 2006 Winter, 2010 Winter, 2014 Winter | |
| Yuliya Gavrilova | Fencing | 2012 Summer, 2016 Summer | |
| Sanja Gavrilović | Croatia | Athletics | 2004 Summer, 2008 Summer | |
| Nina Gavrylyuk | Soviet Union, Russia | Cross country skiing | 1988 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Ryszard Gawior | Poland | Luge | 1968 Winter, 1972 Winter | |
| Zbigniew Gawior | 1968 Winter | |
| Marek Gawkowski | Rowing | 1992 Summer | |
| Zbigniew Gawlik | Handball | 1980 Summer | |
| Sylwia Gawlikowska | Modern pentathlon | 2004 Summer, 2008 Summer, 2012 Summer | |
| Wiesław Gawlikowski | Shooting | 1968 Summer, 1972 Summer, 1976 Summer, 1980 Summer | |
| Wiesław Gawłowski | Volleyball | 1972 Summer, 1976 Summer, 1980 Summer | |
| Paweł Gawron | Artistic gymnastics | 1952 Summer | |
| Wojciech Gawroński | Canoe slalom | 1972 Summer | |
| Stephen Gawthorpe | Great Britain | Judo | 1984 Summer | |
| Alejandro Gaxiola | Mexico | Swimming | 1960 Summer | |
| Álvaro Gaxiola | Diving | 1960 Summer, 1964 Summer, 1968 Summer | |
| Daniela Gaxiola | Track cycling | 2020 Summer, 2024 Summer | |
| Hilda Gaxiola | Beach volleyball | 2000 Summer, 2004 Summer | |
| Josué Gaxiola | 2020 Summer | |
| Federico Gay | Italy | Road cycling | 1920 Summer | |
| Françoise Gay | Switzerland | Alpine skiing | 1964 Winter | |
| Jérôme Gay | France | Ski jumping | 1992 Winter, 1998 Winter | |
| John Gay | Canada | Athletics | 2020 Summer | |
| Mabel Gay | Cuba | 2008 Summer | |
| Richard Gay | France | Freestyle skiing | 2002 Winter | |
| Steve Gay | United States | Football | 1972 Summer | |
| Tyson Gay | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Seid Gayaplé | Chad | 1988 Summer | |
| Galina Gayda | Soviet Union | 1964 Summer | |
| Gaydarbek Gaydarbekov | Russia | Boxing | 2000 Summer, 2004 Summer | |
| Krasimir Gaydarski | Bulgaria | Volleyball | 2008 Summer | |
| Milko Gaydarski | Football | 1968 Summer | |
| Harold Gaydon | Great Britain | Sailing | 1928 Summer | |
| Demish Gaye | Jamaica | Athletics | 2020 Summer | |
| Jérôme Dodo Gaye | Ivory Coast | Canoe sprint | 1968 Summer | |
| Pyotr Gayevsky [ Wikidata ] | Russia | Athletics | 1912 Summer | |
| Thomas Gayford | Canada | Equestrian eventing, Equestrian jumping | 1952 Summer, 1960 Summer, 1968 Summer | |
| Barbara Gayle | Guam | Swimming | 1988 Summer | |
| Robyn Gayle | Canada | Football | 2008 Summer, 2012 Summer | |
| Tajay Gayle | Jamaica | Athletics | 2020 Summer, 2024 Summer | |
| Herbert Gayler | Great Britain | Road cycling | 1912 Summer | |
| Bill Gaylord | Alpine skiing | 1992 Winter, 1994 Winter | |
| Mitch Gaylord | United States | Artistic gymnastics | 1984 Summer | |
| Maui Gayme | Chile | Alpine skiing | 2002 Winter, 2006 Winter, 2010 Winter | |
| Mikael Gayme | 2002 Winter, 2006 Winter | |
| Manuel Gayoso | Spain | Athletics | 1972 Summer | |
| Marie Gayot | France | 2012 Summer, 2016 Summer | |
| Daniel Gaysinsky | Canada | Karate | 2020 Summer | |
| Iryna Gayvoronska | Ukraine | Artistic swimming | 2004 Summer | |
| Bernhard von Gaza | Germany | Rowing | 1908 Summer | |
| Louis Gazaigne [ Wikidata ] | France | Swimming | 1900 Summer | |
| Fernando Gazapo | Spain | Equestrian eventing | 1948 Summer | |
| Stanisław Gazda | Poland | Road cycling | 1960 Summer | |
| Andrew Gaze | Australia | Basketball | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Lindsay Gaze | 1964 Summer | |
| Sam Gaze | New Zealand | Cycling mountain bike | 2016 Summer, 2024 Summer | |
| Jacques Gazeau [ Wikidata ] | France | Art competitions | 1924 Summer | |
| Abdallah Gazi | United Arab Republic | Rowing | 1960 Summer | |
| Elwi Gazi | Equestrian jumping | 1960 Summer | |
| Ruslan Gaziev | Canada | Swimming | 2020 Summer | |
| Georgios Gazis | Greece | Boxing | 2004 Summer, 2008 Summer | |
| Javier Gazol | Spain | Athletics | 2004 Summer | |
| Aleksandr Gazov | Soviet Union | Shooting | 1976 Summer, 1980 Summer | |
| Mete Gazoz | Turkey | Archery | 2016 Summer, 2020 Summer, 2024 Summer | |
| Alexander Gazsi | Germany | Figure skating | 2014 Winter | |
| Alida Dóra Gazsó | Hungary | Canoe sprint | 2024 Summer | |
| Juan Gazsó | Argentina | Basketball | 1952 Summer | |
| Sebastian Gazurek | Poland | Cross country skiing | 2014 Winter | |
| Jože Gazvoda | Yugoslavia | Alpine skiing | 1968 Winter | |
| German Gazyumov | Soviet Union | Equestrian eventing | 1964 Summer, 1968 Summer | |
| Khetag Gazyumov | Azerbaijan | Wrestling | 2008 Summer, 2012 Summer, 2016 Summer | |
| Valery Gazzaev | Soviet Union | Football | 1980 Summer | |
| Abdel Hadi El-Gazzar | Egypt | Basketball | 1984 Summer | |
| Kiera Gazzard | Australia | Artistic swimming | 2020 Summer, 2024 Summer | |
| Tone Gazzari | Yugoslavia | Swimming | 1936 Summer | |
| Roberto Gazzei | Italy | Sailing | 1980 Summer | |
| Fritz Gazzera | Germany | Fencing | 1928 Summer | |
| Andrés Gazzotti | Argentina | Polo | 1936 Summer | |
| Amosa Gbadamosi | Ghana | Football | 1968 Summer | |
| Nureni Gbadamosi | Nigeria | Boxing | 1980 Summer | |
| Stanley Gbagbeke | Athletics | 2012 Summer | |
| Ruth Gbagbi | Ivory Coast | Taekwondo | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Jessika Gbai | Athletics | 2024 Summer | |
| Seydou Gbané | Taekwondo | 2020 Summer | |
| Tommy Gbay | Liberia | Boxing | 1988 Summer | |
| Michael Gbinije | Nigeria | Basketball | 2016 Summer | |
| Franca Gbodo | Weightlifting | 2000 Summer, 2004 Summer | |
| Étienne Loco Gbodolle | Benin | Boxing | 1980 Summer | |
| Bertrand Gbongou Liango | Central African Republic | Taekwondo | 2004 Summer | |
| Viera Gbúrová | Slovakia | Luge | 2014 Winter | |
| Lukáš Gdula | Czech Republic | Athletics | 2016 Summer, 2020 Summer | |
| Ge Cheng | China | Badminton | 1996 Summer | |
| Ge Fei | 1996 Summer, 2000 Summer | |
| Ge Jianqing | Water polo | 1988 Summer | |
| Ge Manqi | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Misha Ge | Uzbekistan | Figure skating | 2014 Winter, 2018 Winter | |
| Rong Ge [ Wikidata ] | China | Snowboarding | 2022 Winter | |
| Ge Weiqing | Water polo | 2008 Summer | |
| David de Gea | Spain | Football | 2012 Summer | |
| Ibrahim Geagea | Lebanon | Alpine skiing | 1948 Winter, 1952 Winter, 1956 Winter, 1960 Winter | |
| Nazih Geagea [ Wikidata ] | 1960 Winter, 1964 Winter | |
| Fahad Al-Geaid | Saudi Arabia | Equestrian jumping | 2000 Summer | |
| Daniel Geale | Australia | Boxing | 2000 Summer | |
| Ion Geantă | Romania | Canoe sprint | 1980 Summer, 1984 Summer | |
| Donald Geary | United States | Ice hockey | 1948 Winter | |
| Guillermo Geary | Argentina | Athletics | 1948 Summer | |
| Lisa Geary | Canada | Swimming | 1976 Summer | |
| Gabriel Geay | Tanzania | Athletics | 2020 Summer, 2024 Summer | |
| Katarzyna Gębala | Poland | Cross country skiing | 1998 Winter | |
| Wiesław Gębala | 1976 Winter | |
| Anna Gębala-Duraj | 1968 Winter, 1972 Winter, 1976 Winter | |
| Dalia El-Gebaly | Egypt | Artistic swimming | 2008 Summer, 2012 Summer | |
| Vítězslav Gebas | Czech Republic | Canoe slalom | 2016 Summer | |
| Gabriele Gebauer | Austria | Handball | 1984 Summer | |
| Paul Gebauer [ Wikidata ] | Germany | Water polo | 1900 Summer | |
| Luke Gebbie | Philippines | Swimming | 2020 Summer | |
| Ernst Gebendinger | Switzerland | Artistic gymnastics | 1952 Summer | |
| Houry Gebeshian | Armenia | 2016 Summer | |
| Max Gebhardt | Germany | Athletics | 1936 Summer | |
| Melanie Gebhardt | Canoe sprint | 2020 Summer | |
| Mike Gebhardt | United States | Sailing | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Steffen Gebhardt | Germany | Modern pentathlon | 2004 Summer, 2008 Summer, 2012 Summer | |
| Trihas Gebre | Spain | Athletics | 2016 Summer | |
| Egzi Gebre-Gebre | Ethiopia | 1972 Summer | |
| Tadesse Gebregiorgis | Boxing | 1964 Summer, 1968 Summer | |
| Zeragaber Gebrehiwot [ Wikidata ] | Road cycling | 1980 Summer | |
| Ahmed Gebrel | Palestine | Swimming | 2012 Summer, 2016 Summer | |
| Gebregziabher Gebremariam | Ethiopia | Athletics | 2004 Summer, 2012 Summer | |
| Mekonnen Gebremedhin | 2012 Summer, 2016 Summer | |
| Dejen Gebremeskel | 2012 Summer, 2016 Summer | |
| Tsigie Gebreselama | 2020 Summer, 2024 Summer | |
| Rahel Gebresilassie [ Wikidata ] | Swimming | 2016 Summer | |
| Hagos Gebrhiwet | Athletics | 2012 Summer, 2016 Summer, 2024 Summer | |
| Eyeru Tesfoam Gebru | Refugee Olympic Team | Road cycling | 2024 Summer | |
| Hansas Gecas | Lithuania | Football | 1924 Summer | |
| Kiril Gechevski | Bulgaria | Shooting | 1980 Summer | |
| Tibor Gécsek | Hungary | Athletics | 1988 Summer, 1992 Summer, 2000 Summer | |
| Erika Géczi | Canoe sprint | 1988 Summer | |
| István Géczi | Football | 1972 Summer | |
| Tibor Géczi | Biathlon | 1992 Winter | |
| Per Gedda | Sweden | Sailing | 1936 Summer, 1952 Summer | |
| Dietmar Gedde | Germany, East Germany | 1964 Summer, 1972 Summer | |
| Caroline Gedde-Dahl | Norway | Alpine skiing | 1994 Winter | |
| John Geddes | Great Britain | Track cycling | 1956 Summer | |
| Jamil Gedeão | Brazil | Basketball | 1956 Summer | |
| Guram Gedekhauri | Soviet Union | Wrestling | 1988 Summer | |
| Ghassan Gedeon-Achi | Lebanon | Alpine skiing | 2010 Winter | |
| Elene Gedevanishvili | Georgia | Figure skating | 2006 Winter, 2010 Winter, 2014 Winter | |
| Edward Gedge | Great Britain | Modern pentathlon | 1920 Summer | |
| Kazim Gedik | Turkey | Wrestling | 1960 Summer | |
| Władysław Gędłek | Poland | Football | 1952 Summer | |
| Jurgis Gedminas | Lithuania | Road cycling | 1928 Summer | |
| György Gedó | Hungary | Boxing | 1968 Summer, 1972 Summer, 1976 Summer, 1980 Summer | |
| Imre Gedővári | Fencing | 1976 Summer, 1980 Summer, 1988 Summer | |
| Aniuar Geduev | Russia | Wrestling | 2016 Summer | |
| Justin Geduld | South Africa | Rugby sevens | 2016 Summer, 2020 Summer | |
| Artūrs Gedvillo | Latvia | Athletics | 1924 Summer | |
| Antonie de Gee [ Wikidata ] | Netherlands | Shooting | 1908 Summer | |
| Derek Gee | Canada | Track cycling, Road cycling | 2020 Summer, 2024 Summer | |
| Diana Gee | United States | Table tennis | 1988 Summer, 1992 Summer | |
| John Gee | Great Britain | Bobsleigh | 1928 Winter | |
| Mark Gee | Biathlon | 1994 Winter, 1998 Winter, 2002 Winter | |
| Nancy Gee | Canada | Alpine skiing | 1988 Winter | |
| Pie Geelen | Netherlands | Swimming | 1996 Summer | |
| Lucienne Geels | Softball | 1996 Summer | |
| Martijn van Geemen | Sailing | 1996 Summer | |
| Alexander van Geen | Modern pentathlon | 1936 Summer | |
| Anna Maria van Geene | Artistic gymnastics | 1948 Summer | |
| Miek van Geenhuizen | Field hockey | 2004 Summer, 2008 Summer | |
| Jelle Geens | Belgium | Triathlon | 2016 Summer, 2020 Summer, 2024 Summer | |
| Joseph Geens [ Wikidata ] | Shooting | 1908 Summer | |
| Charlotte Geer | United States | Rowing | 1984 Summer | |
| Gustaf de Geer | Sweden | Equestrian jumping | 1960 Summer | |
| Judy Geer | United States | Rowing | 1976 Summer, 1984 Summer | |
| René Geeraert | Belgium | Athletics | 1936 Summer | |
| Patrick Geering | Switzerland | Ice hockey | 2018 Winter | |
| Piet-Hein Geeris | Netherlands | Field hockey | 2000 Summer | |
| Ernst Geerling | Germany | Athletics | 1932 Summer | |
| Luz Marina Geerman | Aruba | 2000 Summer | |
| Wilfried Geeroms | Belgium | 1964 Summer, 1968 Summer | |
| Anders Geert Jensen | Denmark | Sailing | 1988 Summer | |
| Andreas Gees | Switzerland | Bobsleigh | 2006 Winter | |
| Werner Geeser | Cross country skiing | 1972 Winter | |
| Anton Geesink | Netherlands | Judo | 1964 Summer | |
| Dennis van der Geest | 2000 Summer, 2004 Summer, 2008 Summer | |
| Elco van der Geest | Netherlands, Belgium | 2004 Summer, 2012 Summer | |
| Sathi Geetha | India | Athletics | 2004 Summer, 2008 Summer | |
| Margot van Geffen | Netherlands | Field hockey | 2012 Summer, 2016 Summer, 2020 Summer | |
| Pavel Geffert | Czech Republic | Ice hockey | 1994 Winter | |
| Luiza Gega | Albania | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Judy Gegan | Great Britain | Swimming | 1964 Summer | |
| Walter Gegan | United States | Athletics | 1928 Summer | |
| Vladimer Gegeshidze | Georgia | Wrestling | 2012 Summer | |
| Levon Geghamyan | Armenia | 1996 Summer, 2000 Summer, 2004 Summer | |
| André Gegout | France | Speed skating | 1924 Winter | |
| Sue Geh | Australia | Basketball | 1984 Summer | |
| Milka Gehani | Sri Lanka | Artistic gymnastics | 2020 Summer | |
| Alexander Gehbauer | Austria | Cycling mountain bike | 2012 Summer, 2016 Summer | |
| Dieter Gehmacher | Bobsleigh | 1976 Winter | |
| Hilary Gehman | United States | Rowing | 2000 Summer, 2004 Summer | |
| Erich Gehmann | West Germany | Shooting | 1968 Summer | |
| Günther Gehmert | Germany | Athletics | 1936 Summer | |
| Hermann Gehri | Switzerland | Wrestling | 1924 Summer | |
| Adelaide Gehrig | United States | Fencing | 1924 Summer | |
| Hans Gehrig | Canada | Bobsleigh | 1968 Winter, 1972 Winter | |
| Georg Gehring | Germany | Wrestling | 1928 Summer, 1932 Summer, 1936 Summer | |
| Gerhard Gehring | West Germany | Biathlon, Cross country skiing | 1968 Winter, 1972 Winter | |
| Hanni Gehring | Germany | Cross country skiing | 1952 Winter | |
| Lana Gehring | United States | Short track speed skating | 2010 Winter, 2018 Winter | |
| Claus Gehrke | West Germany | Biathlon | 1976 Winter | |
| Roland Gehrke | East Germany | Wrestling | 1976 Summer, 1980 Summer | |
| Don Gehrmann | United States | Athletics | 1948 Summer | |
| Heike Gehrmann | West Germany | Field hockey | 1988 Summer | |
| Robert Geib | Luxembourg | Football | 1936 Summer | |
| Hermann Geibel | Germany | Art competitions | 1936 Summer | |
| Oscar Geier | Switzerland | Bobsleigh | 1932 Winter | |
| John Geiger | United States | Rowing | 1900 Summer | |
| Jürgen Geiger | West Germany | Artistic gymnastics | 1984 Summer | |
| Karl Geiger | Austria | Sailing | 1964 Summer, 1968 Summer | |
| Karl Geiger | Germany | Ski jumping | 2018 Winter, 2022 Winter | |
| Melinda Geiger | Romania | Handball | 2016 Summer | |
| Rolf Geiger | Germany | Football | 1956 Summer | |
| Vinzenz Geiger | Nordic combined | 2018 Winter, 2022 Winter | |
| Jonas von Geijer | Sweden | Sailing | 2008 Summer, 2012 Summer | |
| Carry Geijssen | Netherlands | Speed skating | 1968 Winter | |
| Georgina Geikie | Great Britain | Shooting | 2012 Summer | |
| Dietmar Geilich | East Germany | Boxing | 1976 Summer, 1980 Summer | |
| August Geinger | Belgium | Rowing | 1924 Summer | |
| Amro El-Geioushy | Egypt | Handball | 1996 Summer, 2000 Summer | |
| Johan Geirnaert | Belgium | Athletics | 1984 Summer | |
| Oliver Geis | Germany | Shooting | 2016 Summer, 2020 Summer | |
| Paul Geis | United States | Athletics | 1976 Summer | |
| Mohamed Geisa | Egypt | Weightlifting | 1936 Summer | |
| Luisa Geiselsöder | Germany | Basketball | 2024 Summer | |
| Natalie Geisenberger | Luge | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Robert Geiser | Switzerland | Basketball | 1948 Summer | |
| Leonid Geishtor | Soviet Union | Canoe sprint | 1960 Summer | |
| Donald Geisler | Philippines | Taekwondo | 2000 Summer, 2004 Summer | |
| Hans-Joachim Geisler | West Germany | Swimming | 1972 Summer, 1976 Summer | |
| Ilse Geisler | Germany | Luge | 1964 Winter | |
| Manfred Geisler | Football | 1964 Summer | |
| Manfred Geisler | East Germany | Shooting | 1972 Summer | |
| Marco Geisler | Germany | Rowing | 2000 Summer, 2004 Summer | |
| Moritz Geisreiter | Speed skating | 2014 Winter, 2018 Winter | |
| Hermann Geißler | Austria | Athletics | 1928 Summer | |
| Ines Geissler | East Germany | Swimming | 1980 Summer | |
| Oliver Geissmann | Liechtenstein | Shooting | 2000 Summer, 2004 Summer, 2008 Summer | |
| Kaufman Geist | United States | Athletics | 1920 Summer | |
| Hans Geister | Germany | 1952 Summer | |
| Johann Geiszler | Austria | Rowing | 1952 Summer | |
| Eugen Geiwitz | Germany | Fencing | 1936 Summer | |
| Mickaël Gelabale | France | Basketball | 2012 Summer, 2016 Summer | |
| Francisco Gelaberti | Argentina | Boxing | 1956 Summer | |
| Elroy Gelant | South Africa | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Rusena Gelanteh | Indonesia | Archery | 1992 Summer | |
| Jaba Gelashvili | Georgia | Alpine skiing | 2010 Winter | |
| Miklós Gelbai | Hungary | Boxing | 1928 Summer | |
| Alexandre Gelbert | Switzerland | Sailing | 1936 Summer | |
| Rose Gelbert | France | Golf | 1900 Summer | |
| Nils Gelbjerg-Hansen | Denmark | Alpine skiing | 1992 Winter | |
| Georg Gelbke | Germany | Art competitions | 1928 Summer, 1932 Summer | |
| Alan Geldard | Great Britain | Track cycling | 1948 Summer | |
| Abe Geldenhuys | South Africa | Wrestling | 1956 Summer, 1960 Summer | |
| Gharde Geldenhuys | Namibia | Artistic gymnastics | 2000 Summer | |
| Zenéy Geldenhuys | South Africa | Athletics | 2024 Summer | |
| Cor van Gelder | Netherlands | Swimming | 1928 Summer | |
| Max van Gelder | Water polo | 1952 Summer | |
| Tinus van Gelder | Track cycling | 1948 Summer | |
| Yuri van Gelder | Artistic gymnastics | 2016 Summer | |
| Robert Gelée | France | Rowing | 1900 Summer | |
| József Gelei | Hungary | Football | 1964 Summer | |
| Imre Gelencsér | Judo | 1980 Summer | |
| Nándor Gelénesi | Wrestling | 1996 Summer | |
| Deresa Geleta | Ethiopia | Athletics | 2024 Summer | |
| Ján Geleta | Czechoslovakia | Football | 1964 Summer | |
| Gottfried Gelfort | Germany | Rowing | 1912 Summer | |
| Gaston Gélibert | France | Art competitions | 1928 Summer | |
| Moussa El-Gelidi | United Arab Republic | Boxing | 1960 Summer | |
| Juliette Gelin [ Wikidata ] | France | Volleyball | 2024 Summer | |
| Antoine Gélinas-Beaulieu | Canada | Speed skating | 2022 Winter | |
| Deborah Gelisio | Italy | Shooting | 1996 Summer, 2000 Summer, 2008 Summer | |
| Peter Gelle | Slovakia | Canoe sprint | 2012 Summer, 2016 Summer, 2020 Summer | |
| Pierre Gellé [ Wikidata ] | France | Swimming, Water polo | 1900 Summer | |
| Sándor Gelle | Hungary | Canoe sprint | 1936 Summer | |
| László Gellér | Ski jumping | 1964 Winter, 1968 Winter | |
| Mauricette Geller | Belgium | Artistic gymnastics | 1988 Summer | |
| Max Geller | Israel | Wrestling | 1992 Summer | |
| Mihály Gellér | Hungary | Ski jumping | 1968 Winter | |
| Imre Gellért | Artistic gymnastics | 1908 Summer, 1912 Summer | |
| Antal Gelley | Rowing | 1972 Summer | |
| Patrick Gellineau | Trinidad and Tobago | Road cycling, Track cycling | 1972 Summer | |
| Elżbieta Gellner | Poland | Swimming | 1956 Summer | |
| Beatrice Gelmini | Italy | Figure skating | 1988 Winter | |
| Ivo Gelov | Bulgaria | Rowing | 1988 Summer | |
| Manfred Gelpke | East Germany | 1968 Summer | |
| Jonas Gelsen | Germany | 2024 Summer | |
| Angelo Gelsomini | Italy | Wrestling | 1960 Summer | |
| Laure Gély | France | Artistic gymnastics | 1996 Summer | |
| Jean Gemayel | Lebanon | Shooting | 1984 Summer | |
| Joseph Gemayel | Fencing | 1964 Summer | |
| Tsehay Gemechu | Ethiopia | Athletics | 2020 Summer | |
| Csanád Gémesi | Hungary | Fencing | 2020 Summer, 2024 Summer | |
| Hasan Gemici | Turkey | Wrestling | 1952 Summer | |
| Alexandre Gemignani | Brazil | Basketball | 1948 Summer | |
| Silvia Gemignani | Italy | Triathlon | 2000 Summer, 2004 Summer | |
| Adam Gemili | Great Britain | Athletics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Gilles Gémise-Fareau | France | 1976 Summer | |
| Vincenzo Gemito | Italy | Art competitions | 1924 Summer | |
| Andrew Gemmell | United States | Swimming | 2012 Summer | |
| Donald Gemmell | New Zealand | Rowing | 1956 Summer | |
| Erin Gemmell | United States | Swimming | 2024 Summer | |
| Kris Gemmell | New Zealand | Triathlon | 2008 Summer, 2012 Summer | |
| Elena Gemo | Italy | Swimming | 2012 Summer | |
| Simon Gempeler | Switzerland | Curling | 2014 Winter | |
| Alphonse Gemuseus | Equestrian jumping | 1924 Summer, 1928 Summer | |
| Bruno Génard | France | Modern pentathlon | 1988 Summer | |
| Frankie Genaro | United States | Boxing | 1920 Summer | |
| Tony Genato | Philippines | Basketball | 1952 Summer, 1956 Summer | |
| Carsta Genäuß | East Germany | Canoe sprint | 1980 Summer | |
| Mustafa Genç | Turkey | Boxing | 1984 Summer | |
| Necmi Gençalp | Wrestling | 1988 Summer | |
| Ali Gençay | Football | 1924 Summer | |
| Angel Genchev | Bulgaria | Weightlifting | 1988 Summer | |
| Veselina Gencheva | Artistic gymnastics | 1996 Summer | |
| Jean Genchi | Great Britain | Rowing | 1984 Summer | |
| Sōsuke Genda | Japan | Baseball | 2020 Summer | |
| Peter Genders | Australia | Canoe sprint | 1984 Summer | |
| William Genders | Great Britain | Road cycling | 1920 Summer | |
| Aleksandr Gendrikson | Soviet Union | Diving | 1972 Summer | |
| Dirk-Jan van Gendt | Netherlands | Volleyball | 2004 Summer | |
| Twan van Gendt | Cycling BMX racing | 2012 Summer, 2016 Summer, 2020 Summer | |
| Ahmed El-Gendy | Egypt | Modern pentathlon | 2020 Summer, 2024 Summer | |
| Eslam El-Gendy | Boxing | 2012 Summer | |
| Dagmar Genee | Netherlands | Water polo | 2020 Summer | |
| Ahmed Kadry Genena | Egypt | Shooting | 1964 Summer | |
| Martha Genenger | Germany | Swimming | 1936 Summer | |
| Tania Gener | Spain | Artistic gymnastics | 2004 Summer | |
| Norman General | Canada | Athletics | 1920 Summer | |
| Pietro Generali | Italy | Basketball | 1980 Summer | |
| Olga Generalova | Russia | Triathlon | 2004 Summer | |
| George Genereux | Canada | Shooting | 1952 Summer | |
| Liliana Genes [ Wikidata ] | Romania | Rowing | 1988 Summer | |
| Mercy Genesis | Nigeria | Wrestling | 2016 Summer | |
| Ivar Genesjö | Sweden | Fencing | 1964 Summer | |
| Alex Genest | Canada | Athletics | 2012 Summer | |
| Lauriane Genest | Track cycling | 2020 Summer, 2024 Summer | |
| Patrick Genestier | France | Canoe sprint | 1976 Summer | |
| Paul Genevay | Athletics | 1960 Summer, 1964 Summer | |
| Paul Genève | 1960 Summer | |
| Carlos Geneyro | Argentina | Field hockey | 1988 Summer, 1992 Summer | |
| Geng Hongbin | China | Shooting | 2004 Summer | |
| Geng Lijuan | Canada | Table tennis | 1996 Summer, 2000 Summer | |
| Geng Wenqiang | China | Skeleton | 2018 Winter | |
| Pietro Genga | Italy | Shooting | 2000 Summer | |
| Aurelio Genghini | Athletics | 1936 Summer | |
| Sarah Gengler | United States | Rowing | 1988 Summer, 1992 Summer | |
| Konstantinos Genidounias | Greece | Water polo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Nicole Génier | Canada | Handball | 1976 Summer | |
| Kevin Geniets | Luxembourg | Road cycling | 2020 Summer | |
| Nester Geniwala'a | Solomon Islands | Athletics | 1996 Summer | |
| Alessia Gennari | Italy | Volleyball | 2016 Summer | |
| Paolo Gennari | Rowing | 1928 Summer | |
| Jort van Gennep | Netherlands | 2016 Summer | |
| Carlos Gennero | Argentina | Cycling mountain bike | 2004 Summer | |
| Lorenzo Gennero | Italy | Snowboarding | 2022 Winter | |
| Georgios Gennimatas | Greece | Athletics | 1896 Summer | |
| Yvonne van Gennip | Netherlands | Speed skating | 1984 Winter, 1988 Winter, 1992 Winter | |
| Alfred Genon | Belgium | Boxing | 1924 Summer | |
| Leonardo Genoni | Switzerland | Ice hockey | 2018 Winter, 2022 Winter | |
| Lucien Genot | France | Shooting | 1948 Summer | |
| Armand Genoud | Switzerland | Cross country skiing | 1956 Winter | |
| Dimitar Genov | Bulgaria | Equestrian jumping | 1980 Summer | |
| Bruna Genovese | Italy | Athletics | 2004 Summer, 2008 Summer | |
| Debra Genovese | United States | Luge | 1980 Winter | |
| Frankie Genovese | Canada | Boxing | 1932 Summer | |
| Judi Genovesi | United States | Figure skating | 1976 Winter | |
| Maura Genovesi | Italy | Shooting | 2008 Summer | |
| Pietro Genovesi | Football | 1928 Summer | |
| Chay Genoway | Canada | Ice hockey | 2018 Winter | |
| Denis Genreau | Australia | Football | 2020 Summer | |
| Marta Gens | Spain | Volleyball | 1992 Summer | |
| Josef Genschieder | Austria | Track cycling | 1936 Summer | |
| Richard Genserowski | Germany | Artistic gymnastics | 1900 Summer | |
| Uwe Gensheimer | Handball | 2016 Summer, 2020 Summer | |
| Henk van Gent | Netherlands | Sailing | 1980 Summer | |
| Johnnie van Gent | South Africa | Water polo | 1952 Summer | |
| Roberto Genta | Argentina | Athletics | 1932 Summer | |
| Steve Genter | United States | Swimming | 1972 Summer | |
| Lee Gentil | Puerto Rico | Sailing | 1968 Summer, 1972 Summer, 1976 Summer | |
| Pascal Gentil | France | Taekwondo | 2000 Summer, 2004 Summer | |
| Pierre Gentil | Shooting | 1912 Summer | |
| Giuseppe Gentile | Italy | Athletics | 1968 Summer, 1972 Summer | |
| Giacomo Gentili | Rowing | 2020 Summer, 2024 Summer | |
| Mario Gentili | Track cycling | 1936 Summer | |
| Roberta Gentini | Equestrian eventing | | |
| Ashleigh Gentle | Australia | Triathlon | 2016 Summer, 2020 Summer | |
| James Gentle | United States | Field hockey | 1932 Summer, 1936 Summer | |
| Randhir Singh Gentle | India | 1948 Summer, 1952 Summer, 1956 Summer | |
| Robert Gentleman | Great Britain | Water polo | 1948 Summer | |
| Cindy Gentry | United States | Shooting | 2000 Summer | |
| Matt Gentry | Canada | Wrestling | 2008 Summer, 2012 Summer | |
| Yanic Gentry | Mexico | Sailing | 2016 Summer | |
| Michael Gentsch | West Germany | Rowing | 1976 Summer | |
| Yann Genty | France | Handball | 2020 Summer | |
| Inga Gentzel | Sweden | Athletics | 1928 Summer | |
| Peter Gentzel | Handball | 2000 Summer | |
| Igor Genua | Spain | Rugby sevens | 2016 Summer | |
| Angelo Genuin | Italy | Cross country skiing | 1964 Winter | |
| Magda Genuin | 2002 Winter, 2006 Winter, 2010 Winter | |
| Edwin Genung | United States | Athletics | 1932 Summer | |
| León Genuth | Argentina | Wrestling | 1952 Summer | |
| Adrian Genziani | Great Britain | Rowing | 1984 Summer | |
| Harald Genzmer | Germany | Art competitions | 1936 Summer | |
| Francesca Genzo | Italy | Canoe sprint | 2020 Summer | |
| Géo-Charles | France | Art competitions | 1924 Summer | |
| Rémy Geoffroy | Athletics | 1988 Summer | |
| Tao Geoghegan Hart | Great Britain | Road cycling | 2020 Summer | |
| Dionysios Georgakopoulos | Greece | Shooting | 2000 Summer, 2004 Summer | |
| Grigorios Georgakopoulos | Athletics | 1936 Summer | |
| Kostas Georgakopoulos | 1984 Summer | |
| Dimitrios Georgalis | Track cycling | 1996 Summer, 2000 Summer, 2004 Summer | |
| Ginny Georgantas | Softball | 2004 Summer | |
| Nikolaos Georgantas | Athletics, Tug of war | 1904 Summer, 1908 Summer | |
| Simeon Georgaras | Water polo | 1996 Summer | |
| Diamantina Georgatou | Diving | 2004 Summer | |
| Maria Georgatou | Rhythmic gymnastics | 2000 Summer | |
| Allison George | Grenada | Athletics | 2008 Summer | |
| Bevan George | Australia | Field hockey | 2004 Summer, 2008 Summer | |
| Cayla George | Basketball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Charles George | United States | Equestrian eventing | 1928 Summer | |
| Chris George | Baseball | 2000 Summer | |
| Christie George | Nigeria | Football | 2008 Summer | |
| Christopher George | Trinidad and Tobago | Judo | 2016 Summer | |
| Courtney George | United States | Curling | 2006 Winter | |
| David George | South Africa | Track cycling, Road cycling | 1996 Summer, 2000 Summer, 2008 Summer | |
| Ed Don George | United States | Wrestling | 1928 Summer | |
| Emma George | Australia | Athletics | 2000 Summer | |
| Henry George | Belgium | Track cycling | 1920 Summer | |
| Howard George | United States | Wrestling | 1960 Summer | |
| Jim George | Weightlifting | 1956 Summer, 1960 Summer | |
| John George | Great Britain | Athletics | 1908 Summer | |
| Jules George | Belgium | Rowing | 1924 Summer | |
| Lesle-Ann George | South Africa | Field hockey | |
| Maureen George | Zimbabwe | 1980 Summer | |
| Patience Okon George | Nigeria | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Paul George | United States | Basketball | 2016 Summer | |
| Pete George | Weightlifting | 1948 Summer, 1952 Summer, 1956 Summer | |
| Phylicia George | Canada | Athletics, Bobsleigh | 2012 Summer, 2016 Summer, 2018 Winter | |
| Regina George | Nigeria | Athletics | 2012 Summer | |
| Richard George | United States | 1976 Summer | |
| Robert George | France | Ice hockey | 1928 Winter | |
| Robert George | Belgium | Rowing | 1952 Summer | |
| Rowland George | Great Britain | 1932 Summer | |
| Rudolph George | Sierra Leone | Athletics | 1980 Summer | |
| Samantha George | Canada | 2000 Summer | |
| Saude George | Kenya | Field hockey | 1960 Summer, 1964 Summer | |
| Thomas George | Great Britain | Rowing | 2020 Summer, 2024 Summer | |
| Tyler George | United States | Curling | 2018 Winter | |
| Werner George | Germany | Ice hockey | 1936 Winter | |
| Winston George | Guyana | Athletics | 2012 Summer, 2016 Summer | |
| Natasha Sara Georgeos | Saint Lucia | Swimming | 2004 Summer | |
| Chloé Georges | France | Freestyle skiing | 2010 Winter | |
| Gary Georges | Haiti | Athletics | 1972 Summer | |
| Laura Georges | France | Football | 2012 Summer | |
| Aurelian Georgescu | Romania | Artistic gymnastics | 1980 Summer | |
| Crina Georgescu | Volleyball | 1980 Summer | |
| Elena Georgescu | Rowing | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Nicolae Georgescu | Football | 1964 Summer | |
| Ramiro Georgescu | Water polo | 2012 Summer | |
| Victor Georgescu | Road cycling | 1952 Summer | |
| Victoria Georgescu | Volleyball | 1980 Summer | |
| Vlad Georgescu | Water polo | 2024 Summer | |
| Pierre Georget | France | Track cycling | 1936 Summer | |
| Pfeiffer Georgi | Great Britain | Road cycling | 2024 Summer | |
| Georgios Georgiadis | Greece | Athletics | 1972 Summer | |
| Ioannis Georgiadis | Fencing | 1896 Summer, 1924 Summer | |
| Biser Georgiev | Bulgaria | Water polo | 1980 Summer | |
| Biser Georgiev | Wrestling | 1996 Summer | |
| Boris Georgiev | Boxing | 2004 Summer, 2008 Summer | |
| Deyan Georgiev | Canoe sprint | 2008 Summer | |
| Dimitar Georgiev | Sailing | 1980 Summer | |
| Galin Georgiev | Athletics | 1992 Summer, 1996 Summer | |
| Georgi Georgiev | Judo | 1976 Summer | |
| Georgi Georgiev | Rowing | 1976 Summer, 1980 Summer | |
| Georgi Georgiev | Athletics | 1988 Summer | |
| Georgi Georgiev | Judo | 2000 Summer, 2004 Summer | |
| Georgi Georgiev | Alpine skiing | 2014 Winter | |
| Ilia Georgiev | Wrestling | 1988 Summer | |
| Iliya Georgiev | Basketball | 1952 Summer | |
| Ivaylo Georgiev | Football | 1968 Summer | |
| Kiril Georgiev | Weightlifting | 1960 Summer | |
| Kiril Georgiev | Track cycling | 1992 Summer | |
| Konstantin Georgiev | Basketball | 1952 Summer | |
| Mikhail Georgiev | Road cycling | 1924 Summer | |
| Mladen Georgiev | Wrestling | 1964 Summer | |
| Nikolay Georgiev | Canoe sprint | 1992 Summer | |
| Petar Georgiev | Road cycling | 1952 Summer | |
| Petar Georgiev | Swimming | 1976 Summer | |
| Petar Georgiev | Diving | 1980 Summer | |
| Petar Georgiev | Artistic gymnastics | 1988 Summer | |
| Prodan Georgiev | Track cycling | 1924 Summer | |
| Simeon Georgiev | Boxing | 1968 Summer | |
| Stefan Georgiev | Swimming | 1976 Summer | |
| Stefan Georgiev | Alpine skiing | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter | |
| Anka Georgieva | Rowing | 1980 Summer | |
| Daniela Georgieva | Athletics | 2000 Summer | |
| Elena Georgieva | Artistic gymnastics | 1972 Summer | |
| Gabriela Georgieva | Swimming | 2024 Summer | |
| Greta Georgieva | Rowing | 1988 Summer | |
| Hristina Georgieva | Athletics | 2000 Summer, 2004 Summer | |
| Ivana Georgieva | Fencing | 1996 Summer | |
| Kapka Georgieva | Rowing | 1976 Summer | |
| Magdalena Georgieva | 1988 Summer | |
| Maya Georgieva | Volleyball | 1980 Summer | |
| Nadezhda Georgieva | Athletics | 1988 Summer | |
| Radoslava Georgieva | Diving | 1996 Summer | |
| Rosa Georgieva | Canoe sprint | 1976 Summer | |
| Stanka Georgieva | Rowing | 1976 Summer, 1980 Summer | |
| Tanya Georgieva | Canoe sprint | 1992 Summer | |
| Valentina Georgieva | Artistic gymnastics | 2024 Summer | |
| Yoana Georgieva [ Wikidata ] | Canoe sprint | 2024 Summer | |
| Zlatka Georgieva | Athletics | 1996 Summer | |
| Marina Georgieva-Nikolova | Short track speed skating | 2002 Winter, 2010 Winter | |
| Blagoja Georgievski | Yugoslavia | Basketball | 1972 Summer, 1976 Summer | |
| Dejan Georgievski | North Macedonia | Taekwondo | 2020 Summer | |
| Georginho | Brazil | Basketball | 2024 Summer | |
| Eleni Georgiou | Greece | Artistic swimming | 2004 Summer | |
| Lakis Georgiou | Shooting | 1972 Summer | |
| Marios Georgiou | Cyprus | Artistic gymnastics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Platon Georgitsis | Greece | Shooting | 1960 Summer | |
| Anastasios Georgopoulos [ Wikidata ] | Tug of war | 1904 Summer | |
| Nikolaos Georgopoulos | Athletics | 1960 Summer | |
| Antonios Georgoulis | Wrestling | 1952 Summer, 1956 Summer | |
| Stelios Georgousopoulos | Sailing | 1984 Summer, 1988 Summer | |
| André Geourjon | France | Biathlon | 1980 Winter | |
| Geovanni | Brazil | Football | 2000 Summer | |
| Denis Geppert | Germany | Luge | 2002 Winter | |
| Eugeniusz Geppert | Poland | Art competitions | 1932 Summer | |
| Imre Géra | Hungary | Road cycling | 1968 Summer, 1972 Summer | |
| Dianne Gerace | Canada | Athletics | 1964 Summer | |
| Andrei Gerachtchenko | Belarus | Shooting | 2008 Summer | |
| Simon Gerada | Australia | Table tennis | 2000 Summer | |
| Mohammadali Geraei | Iran | Wrestling | 2020 Summer | |
| Mohammad Reza Geraei | 2020 Summer | |
| Agnes Geraghty | United States | Swimming | 1924 Summer, 1928 Summer | |
| Kelly Geraghty | Australia | Artistic swimming | 2000 Summer | |
| Evangelos Gerakeris | Greece | Athletics | 1896 Summer | |
| José Augusto Geraldino | Dominican Republic | Judo | 1996 Summer, 2000 Summer | |
| Vicbart Geraldino | 2000 Summer, 2004 Summer | |
| João Geraldo | Portugal | Table tennis | 2024 Summer | |
| Zé Geraldo | Brazil | Basketball | 1968 Summer, 1972 Summer | |
| Aaron Geramipoor | Iran | 2020 Summer | |
| Gerry Geran | United States | Ice hockey | 1920 Summer | |
| Andrés Gerard Jr. | Mexico | Sailing | 1968 Summer | |
| Andrés Gerard Sr. | 1964 Summer | |
| Antoine Gérard | France | Nordic combined | 2018 Winter, 2022 Winter | |
| Esteban Gerard | Mexico | Sailing | 1968 Summer, 1972 Summer | |
| Hélène Gérard [ Wikidata ] | Belgium | Art competitions | 1932 Summer | |
| Marcos Gerard | Mexico | Sailing | 1968 Summer | |
| Ned Gerard | Virgin Islands | Shooting | 2008 Summer | |
| Raymond Gérard | Belgium | Basketball | 1936 Summer | |
| Red Gerard | United States | Snowboarding | 2018 Winter, 2022 Winter | |
| Vincent Gérard | France | Handball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Giulio Gerardi | Italy | Cross country skiing | 1936 Winter | |
| Sylvia Gerasch | Germany | Swimming | 2000 Summer | |
| Fatema Hameed Gerashi | Bahrain | 2000 Summer | |
| Dmitrij Gerasimenko | Serbia | Judo | 2012 Summer | |
| Irina Gerasimenok | Russia | Shooting | 1996 Summer | |
| Aleksandrs Gerasimjonoks | Soviet Union | 1964 Summer | |
| Anna Gerasimou | Greece | Tennis | 2008 Summer | |
| Alexander Gerasimov | Soviet Union | Ice hockey | 1984 Winter | |
| Aleksandr Gerasimov | Russia | Volleyball | 2000 Summer | |
| Egor Gerasimov | Belarus | Tennis | 2020 Summer | |
| Kiril Gerasimov | Bulgaria | Ice hockey | 1976 Winter | |
| Pavel Gerasimov | Russia | Athletics | 2000 Summer, 2004 Summer | |
| Elena Gerasimova | Russian Olympic Committee | Artistic gymnastics | 2020 Summer | |
| Irina Gerasimova | Soviet Union | Swimming | 1980 Summer | |
| Valentina Gerasimova | Athletics | 1976 Summer | |
| Lubomir Geraskov | Bulgaria | Artistic gymnastics | 1988 Summer | |
| Kirill Gerassimenko | Kazakhstan | Table tennis | 2016 Summer, 2020 Summer, 2024 Summer | |
| Jean Gérault | France | Athletics | 1928 Summer | |
| Vida Gerbec | Yugoslavia | Artistic gymnastics | 1948 Summer | |
| Askerbii Gerbekov | Bahrain | Judo | 2024 Summer | |
| Bruno Gerber | Switzerland | Bobsleigh | 1992 Winter | |
| Carl von Gerber | Sweden | Canoe sprint | 1960 Summer, 1964 Summer | |
| Karina Gerber | South Africa | Modern pentathlon | 2000 Summer | |
| Martin Gerber | Switzerland | Ice hockey | 2002 Winter, 2006 Winter | |
| Oskar Gerber | Athletics | 1948 Summer | |
| Peter Gerber | Sailing | 1972 Summer | |
| Roger Gerber | France | Weightlifting | 1956 Summer, 1960 Summer | |
| Rolf Gerber | Switzerland | Bobsleigh | 1956 Winter | |
| Sandra Daniela Gerber | Snowboarding | 2014 Winter | |
| Willy Gerber | Equestrian eventing | 1928 Summer | |
| Yanah Gerber | South Africa | Water polo | 2020 Summer | |
| Giuseppe Gerbi | Italy | Athletics | 1980 Summer | |
| Yarden Gerbi | Israel | Judo | 2016 Summer | |
| Jan Gerbich | Poland | Boxing | 1924 Summer | |
| Thierry Gerbier | France | Biathlon | 1988 Winter, 1992 Winter | |
| Klaus Gerbig | Germany | Athletics | 1960 Summer | |
| Pieter Gerbrands | Netherlands | 1928 Summer | |
| Marie Gerbron | Great Britain | Handball | 2012 Summer | |
| Sava Gerchev | Bulgaria | Track cycling | 1936 Summer | |
| Yanislav Gerchev | Judo | 2016 Summer, 2020 Summer | |
| David Gerchik [ Wikidata ] | Israel | Swimming | 2024 Summer | |
| Balázs Gercsák | Hungary | 2004 Summer, 2008 Summer | |
| Csaba Gercsák | Marathon swimming | 2008 Summer, 2012 Summer | |
| Szabina Gercsák | Judo | 2024 Summer | |
| Willi Gerdau | Germany | Football | 1956 Summer | |
| Oszkár Gerde | Hungary | Fencing | 1908 Summer, 1912 Summer | |
| Alfred Gerdes | Germany | Field hockey | 1936 Summer | |
| Ed Gerdes | Netherlands | Art competitions | 1924 Summer, 1928 Summer, 1936 Summer | |
| Friedrich Gerdes | Germany | Athletics | 1936 Summer | |
| Roswitha Gerdes | West Germany | 1984 Summer | |
| Marcel Gerdil | France | 1952 Summer | |
| Fritz Gerdsmeier | West Germany | Wrestling | 1984 Summer, 1988 Summer | |
| Dimitar Gerdzhikov | Bulgaria | Biathlon | 2018 Winter, 2022 Winter | |
| Olga Gere | Yugoslavia | Athletics | 1960 Summer, 1964 Summer | |
| Roland Gerebics | Hungary | Shooting | 2000 Summer, 2008 Summer | |
| Julie Gerecht | France | Sailing | 2008 Summer | |
| Georges Gereidi | Lebanon | Alpine skiing, Cross country skiing | 1956 Winter | |
| Pär Gerell | Sweden | Table tennis | 2008 Summer, 2012 Summer, 2016 Summer | |
| Geremew Demboba | Ethiopia | Road cycling | 1956 Summer, 1960 Summer | |
| Geremi | Cameroon | Football | 2000 Summer | |
| Conceição Geremias | Brazil | Athletics | 1980 Summer, 1984 Summer, 1988 Summer | |
| Carlos Gerena | Puerto Rico | Boxing | 1992 Summer | |
| Diane Gerencser | Italy | Figure skating | 1998 Winter | |
| György Gerendás | Hungary | Water polo | 1976 Summer, 1980 Summer | |
| Howard Gereo | Papua New Guinea | Boxing | 1996 Summer | |
| Megan Gerety | United States | Alpine skiing | 1994 Winter | |
| Aladár Gerevich | Hungary | Fencing | 1932 Summer, 1936 Summer, 1948 Summer, 1952 Summer, 1956 Summer, 1960 Summer | |
| Pál Gerevich | 1972 Summer, 1980 Summer | |
| Sveva Gerevini | Italy | Athletics | 2024 Summer | |
| Marisa Gerez | Argentina | Football | 2008 Summer | |
| Annemarie Gerg | Germany | Alpine skiing | 2002 Winter, 2006 Winter | |
| Hilde Gerg | 1994 Winter, 1998 Winter, 2002 Winter | |
| Evgeniy Gerganov | Bulgaria | Road cycling | 2008 Summer | |
| András Gergely | Hungary | Ice hockey | 1936 Winter | |
| István Gergely | Slovakia, Hungary | Water polo | 2000 Summer, 2004 Summer, 2008 Summer | |
| László Gergely | Hungary | Ice hockey | 1936 Winter | |
| Tibor Gergely | Art competitions | 1928 Summer | |
| Michaela Gerg-Leitner | West Germany, Germany | Alpine skiing | 1984 Winter, 1988 Winter, 1992 Winter, 1994 Winter | |
| Nikolay Gergov | Bulgaria | Wrestling | 2004 Summer, 2008 Summer | |
| Friedrich Gerhard | Germany | Equestrian dressage | 1936 Summer | |
| Anneliese Gerhards | Germany, West Germany | Athletics | 1960 Summer, 1964 Summer, 1972 Summer | |
| Gilberto Gerhardt | Brazil | Rowing | 1976 Summer | |
| Hans-Jürgen Gerhardt | East Germany | Bobsleigh | 1980 Winter | |
| Jim Gerhardt | United States | Athletics | 1952 Summer | |
| Paul Gerhardt | Germany | 1928 Summer | |
| Peter Clarence Gerhardt | United States | 1912 Summer | |
| Bob Gerhardt | Rowing | 1924 Summer | |
| Janet Gerhauser | Figure skating | 1952 Winter | |
| Andrija Gerić | Serbia and Montenegro, Serbia | Volleyball | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Hermann Gericke | Switzerland | Swimming | 1952 Summer | |
| Lothar Gericke | East Germany | 1968 Summer | |
| César Gérico | Argentina | Sailing | 1924 Summer | |
| Peter Gerig | Switzerland | Biathlon | 1964 Winter | |
| Evald Gering | Canada | Shooting | 1960 Summer | |
| Marco Gerini | Italy | Water polo | 1996 Summer, 2004 Summer | |
| Gilbert Gérintès | France | Rugby | 1924 Summer | |
| Harry Geris | Canada | Wrestling | 1968 Summer, 1972 Summer, 1976 Summer | |
| Andreas Geritzer | Austria | Sailing | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Arturo Gériz | Spain | Road cycling | 1988 Summer | |
| Leonie Gerken Schofield | Great Britain | Freestyle skiing | 2022 Winter | |
| Makayla Gerken Schofield | 2022 Winter | |
| Ágnes Gerlach | Hungary | Diving | 1988 Summer, 1992 Summer | |
| Ernst Gerlach [ Wikidata ] | Germany | Art competitions | 1932 Summer | |
| Ernst Gerlach | East Germany | Handball | 1980 Summer | |
| Helmut Gerlach | West Germany | Cross country skiing | 1968 Winter | |
| József Gerlach | Hungary | Diving | 1956 Summer | |
| Jürgen Gerlach | West Germany | Canoe slalom | 1972 Summer | |
| Wim Gerlach | Netherlands | Boxing | 1960 Summer, 1964 Summer | |
| Umberto Gerli | Italy | Ice hockey | 1948 Winter | |
| Irina Gerlits | Soviet Union, Unified Team | Basketball | 1988 Summer, 1992 Summer | |
| Povl Gerlow | Denmark | Shooting | 1912 Summer, 1920 Summer | |
| Rodrigo Germade | Spain | Canoe sprint | 2016 Summer, 2020 Summer, 2024 Summer | |
| Germain [ Wikidata ] | France | Track cycling | 1900 Summer | |
| Paul Germain [ Wikidata ] | Artistic gymnastics | 1900 Summer | |
| Vyacheslav German | Belarus | Road cycling | 1996 Summer | |
| Jana Germani [ Wikidata ] | Italy | Sailing | 2024 Summer | |
| Sabrina Soledad Germanier | Argentina | Volleyball | 2020 Summer | |
| Juris Ģērmanis | Latvia | Cross country skiing | 1998 Winter, 2002 Winter | |
| Markus Germann | Switzerland | Figure skating | 1964 Winter | |
| Monika Germann | Cross country skiing | 1984 Winter | |
| Vilkhelm Germanov | Bulgaria | Rowing | 1980 Summer | |
| Silviya Germanova | Basketball | 1980 Summer | |
| Svetlana Germanovich | Kazakhstan | Rowing | 2012 Summer, 2016 Summer | |
| Adrian Germanus | East Germany | Fencing | 1980 Summer, 1988 Summer | |
| Manfred Germar | Germany | Athletics | 1956 Summer, 1960 Summer | |
| Bernhard Germeshausen | East Germany | Bobsleigh | 1976 Winter, 1980 Winter | |
| Peter Germer | Wrestling | 1972 Summer | |
| Irene Germini | Italy | Rhythmic gymnastics | 1992 Summer, 1996 Summer | |
| Jean-Richard Germont | France | Shooting | 1972 Summer | |
| Maurice Germot | Tennis | 1908 Summer, 1912 Summer | |
| Anders Gernandt | Sweden | Equestrian jumping | 1956 Summer, 1960 Summer | |
| Martin Gernát | Slovakia | Ice hockey | 2022 Winter | |
| Céline van Gerner | Netherlands | Artistic gymnastics | 2012 Summer, 2016 Summer | |
| Sven Gerner-Mathisen | Norway | Sailing | 1972 Summer | |
| Alix Gerniers | Belgium | Field hockey | 2012 Summer, 2024 Summer | |
| Ferenc Gerő | Hungary | Athletics | 1924 Summer, 1928 Summer | |
| Gábor Gerő | 1936 Summer | |
| Mór Gerő | 1928 Summer | |
| Angeliki Gerolymou | Greece | Water polo | 2008 Summer | |
| Albert Geromini | Switzerland | Ice hockey | 1928 Winter | |
| Mathilde Géron | France | Sailing | 2012 Summer | |
| Vladimir Gerónimo | Angola | Basketball | 2008 Summer | |
| Dimitrios Gerontaris | Greece | Sailing | 1976 Summer | |
| Giannis Gerontas | Weightlifting | 1984 Summer | |
| Augusto Gerosa | Italy | Ice hockey | 1936 Winter | |
| Carlo Gerosa | Alpine skiing | 1988 Winter, 1992 Winter | |
| Gaston Gerosa | Switzerland | Track cycling | 1948 Summer | |
| Tiffany Géroudet | Fencing | 2012 Summer, 2016 Summer | |
| Atanas Gerov | Bulgaria | Football | 1968 Summer | |
| Rangel Gerovski | Wrestling | 1988 Summer, 1992 Summer | |
| Tess Gerrand | Australia | Rowing | 2012 Summer | |
| Simon Gerrans | Road cycling | 2008 Summer, 2012 Summer | |
| David Gerrard | New Zealand | Swimming | 1964 Summer | |
| Laura Gerraughty | United States | Athletics | 2004 Summer | |
| Tim Gerresheim | Germany, West Germany | Fencing | 1960 Summer, 1964 Summer, 1968 Summer | |
| Lenie Gerrietsen | Netherlands | Artistic gymnastics | 1948 Summer, 1952 Summer | |
| Antonie Gerrits | Track cycling | 1908 Summer | |
| Travis Gerrits | Canada | Freestyle skiing | 2014 Winter | |
| Annette Gerritsen | Netherlands | Speed skating | 2006 Winter, 2010 Winter | |
| Mees Gerritsen | Track cycling | 1960 Summer | |
| Gerry [ Wikidata ] | France | Art competitions | 1924 Summer | |
| Elmarie Gerryts | South Africa | Athletics | 2000 Summer | |
| Anette Gersch | West Germany | Alpine skiing | 1988 Winter | |
| Kerstin Gerschau | East Germany | Artistic gymnastics | 1976 Summer | |
| Hans Gerschwiler | Switzerland | Figure skating | 1948 Winter | |
| Adriana Gerši | Czech Republic | Tennis | 2000 Summer | |
| Gérson | Brazil | Football | 1960 Summer | |
| Claus Gerson | United States | Field hockey | 1948 Summer | |
| Mirco Gerson | Switzerland | Beach volleyball | 2020 Summer | |
| Sam Gerson | United States | Wrestling | 1920 Summer | |
| Ernst Gerspach | Switzerland | Athletics | 1920 Summer, 1924 Summer | |
| Georg Gerstäcker | Germany | Wrestling | 1912 Summer | |
| Detlef Gerstenberg | East Germany | Athletics | 1980 Summer | |
| Alfred Gerstenbrand | Austria | Art competitions | 1936 Summer, 1948 Summer | |
| Laurent Gerstmans | Belgium | Wrestling | 1912 Summer | |
| Helmut Gertel | West Germany | Boxing | 1984 Summer | |
| Stefan Gertel | 1984 Summer | |
| Elvire Gertosio | France | Artistic gymnastics | 1972 Summer | |
| Margrit Gertsch | Switzerland | Alpine skiing | 1960 Winter | |
| Thomas Gerull | West Germany | Fencing | 1988 Summer | |
| Witold Gerutto | Poland | Athletics | 1948 Summer | |
| Erik Gervais | Canada | Canoe sprint | 1996 Summer | |
| Jason Gervais | Athletics | 2000 Summer | |
| Pierre Gervais | France | Sailing | 1900 Summer | |
| Marius Gervasoni | Rowing | 1928 Summer | |
| Willy Gervin | Denmark | Track cycling | 1932 Summer | |
| Gervinho | Ivory Coast | Football | 2008 Summer | |
| Yseult Gervy | Belgium | Swimming | 1996 Summer, 2000 Summer | |
| Ans van Gerwen | Netherlands | Artistic gymnastics | 1972 Summer, 1976 Summer | |
| Marcel Gery | Canada | Swimming | 1992 Summer | |
| Ferdinand Gerz | Germany | Sailing | 2012 Summer, 2016 Summer | |
| Wolfgang Gerz | West Germany | 1984 Summer | |
| Yekaterina Gerzanich | Kazakhstan | Water polo | 2000 Summer | |
| Eftim Gerzilov | Bulgaria | Rowing | 1976 Summer | |
| Andrea Gesch | Germany | 1996 Summer | |
| Jürgen Geschke | East Germany | Track cycling | 1968 Summer, 1972 Summer, 1976 Summer | |
| Simon Geschke | Germany | Road cycling | 2016 Summer | |
| Holger Geschwindner | West Germany | Basketball | 1972 Summer | |
| Claudia Gesell | Germany | Athletics | 2000 Summer, 2004 Summer | |
| Eduards Gešels | Latvia | Figure skating | 1936 Winter | |
| Vanja Gesheva-Tsvetkova | Bulgaria | Canoe sprint | 1980 Summer, 1988 Summer | |
| Marian Gęsicki | Poland | Athletics | 1976 Summer | |
| Witold Gesing | Canada | Sailing | 1984 Summer | |
| Robert Gesink | Netherlands | Road cycling | 2008 Summer, 2012 Summer | |
| Giacomo Gesino | Italy | Wrestling | 1948 Summer | |
| Dariusz Gęsior | Poland | Football | 1992 Summer | |
| Morgan Gesmalla | Sudan | Athletics | 1968 Summer | |
| Abebe Gessese | Ethiopia | 1980 Summer | |
| Amaka Gessler | New Zealand | Swimming | 2012 Summer | |
| Christian Gessner | Germany | 1992 Summer | |
| Linn Gestblom | Sweden | Biathlon | 2018 Winter, 2022 Winter | |
| Sophie van Gestel | Netherlands | Beach volleyball | 2012 Summer, 2016 Summer | |
| Tiest van Gestel | Archery | 1920 Summer | |
| Álvaro Gestido | Uruguay | Football | 1928 Summer | |
| Nicolas Gestin | France | Canoe slalom | 2024 Summer | |
| Jacques Gestraut | Road cycling | 1960 Summer | |
| Marjorie Gestring | United States | Diving | 1936 Summer | |
| Juan Gesualdi | Argentina | Equestrian eventing | 1964 Summer | |
| Pasquale Gesuito | Italy | Bobsleigh | 1984 Winter, 1988 Winter, 1992 Winter, 1994 Winter | |
| Birhan Getahun | Ethiopia | Athletics | 2012 Summer | |
| Gete Wami | 1996 Summer, 2000 Summer, 2008 Summer | |
| Tigest Getent | Bahrain | 2016 Summer | |
| Venera Getova | Bulgaria | 2008 Summer | |
| František Getreuer | Czechoslovakia | Water polo | 1928 Summer | |
| Valentin Getsov | Bulgaria | Wrestling | 1992 Summer | |
| Clyde Getty | Argentina | Freestyle skiing | 2002 Winter, 2006 Winter | |
| Getúlio | Brazil | Football | 1968 Summer | |
| Ryan Getzlaf | Canada | Ice hockey | 2010 Winter, 2014 Winter | |
| Andrea Geubelle | United States | Athletics | 2016 Summer | |
| Margarita Geuer | Spain | Basketball | 1992 Summer | |
| Jacob van Geuns | Netherlands | Fencing | 1912 Summer | |
| Anouk Geurts | Belgium | Sailing | 2020 Summer, 2024 Summer | |
| Toon Geurts | Netherlands | Canoe sprint | 1960 Summer, 1964 Summer, 1968 Summer | |
| Carla Geurts | Swimming | 1996 Summer, 2000 Summer | |
| Joseph Geurts | Belgium | Road cycling | 1960 Summer | |
| Rob Geurts | Netherlands | Bobsleigh | 1994 Winter | |
| Jonas de Geus | Field hockey | 2020 Summer, 2024 Summer | |
| Max Geuter | Germany, West Germany | Fencing | 1964 Summer, 1968 Summer, 1972 Summer | |
| Loet Geutjes | Netherlands | Water polo | 1968 Summer | |
| Justin Gevaert | Belgium | Rowing | 2004 Summer | |
| Kim Gevaert | Athletics | 2004 Summer, 2008 Summer | |
| Daniel Gevargiz | Iran | Weightlifting | 1968 Summer | |
| Juliet Geverkof | Athletics | 1964 Summer | |
| Ernest Gevers | Belgium | Fencing | 1920 Summer, 1924 Summer | |
| Robert Gevers | Field hockey | 1920 Summer | |
| Willem Gevers | Netherlands | Bobsleigh | 1936 Winter | |
| Jörn Gevert | Chile | Athletics | 1952 Summer | |
| Aileen Geving | United States | Curling | 2018 Winter | |
| Artur Gevorgjan | Germany | Shooting | 1996 Summer, 2000 Summer, 2004 Summer | |
| Arayik Gevorgyan | Armenia | Wrestling | 1996 Summer, 2000 Summer, 2004 Summer | |
| Arsen Gevorgyan | Judo | 1996 Summer | |
| Artur Gevorgyan | Boxing | 1996 Summer, 2000 Summer | |
| Edgar Gevorgyan | Weightlifting | 2008 Summer | |
| Ute Geweniger | East Germany | Swimming | 1980 Summer | |
| Jesse Gey | United States | Field hockey | 2008 Summer | |
| Matthias Gey | West Germany | Fencing | 1984 Summer, 1988 Summer | |
| Fritz Geyer | Germany | Diving | 1952 Summer | |
| Manfred Geyer | East Germany | Biathlon | 1976 Winter | |
| Robert Geyer | France | Athletics | 1920 Summer | |
| Asmelash Geyesus | Ethiopia | Road cycling | 1992 Summer | |
| Édouard Geynet [ Wikidata ] | France | Shooting | 1900 Summer | |
| Grace Geyoro | Football | 2024 Summer | |
| Arnaud Geyre | Road cycling | 1956 Summer | |
| Geyse | Brazil | Football | 2020 Summer | |
| Hermina Geyser | South Africa | Athletics | 1956 Summer | |
| Rika Geyser | Rowing | 2008 Summer | |
| Hala Gezah | Libya | Athletics | 2012 Summer | |
| Addis Gezahegn | Ethiopia | 1992 Summer | |
| Gezahegne Abera | 2000 Summer | |
| Kalkidan Gezahegne | Bahrain | 2020 Summer | |
| Samvel Gezalian | Belarus, Armenia | Figure skating | 1994 Winter, 1998 Winter | |
| Amro El Geziry | Egypt, United States | Modern pentathlon | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Emad El Geziry | Egypt | 2000 Summer | |
| Omar El Geziry | 2016 Summer | |
| Ayoub Ghadfa | Spain | Boxing | 2024 Summer | |
| Ali Al-Ghadi | North Yemen | Athletics | 1984 Summer | |
| Masoud Ghadimi | Iran | Wrestling | 1988 Summer | |
| Ammaar Ghadiyali | Tanzania | Swimming | 2012 Summer | |
| Behzad Ghaedi | Iran | Boxing | 1976 Summer | |
| Farhad Ghaemi | Volleyball | 2016 Summer | |
| Ali Ghaffari | Wrestling | 1948 Summer | |
| Matt Ghaffari | United States | 1992 Summer, 1996 Summer | |
| Abdul Ghafoor | Afghanistan | Athletics | 1996 Summer | |
| Madiea Ghafoor | Netherlands | 2016 Summer | |
| Abdul Ghafar Ghafoori | Afghanistan | 1960 Summer | |
| Amir Ghafour | Iran | Volleyball | 2016 Summer, 2020 Summer | |
| Hossein Ghafourizadeh | Athletics | 1964 Summer | |
| Ishak Ghaiou [ Wikidata ] | Algeria | Wrestling | 2024 Summer | |
| Kamal Ghalayni | Lebanon | Road cycling | 1980 Summer | |
| Seifollah Ghaleb | Egypt | Shooting | 1952 Summer | |
| Pezhman Ghalehnoei | Iran | Athletics | 2016 Summer | |
| Saud Ghali [ Wikidata ] | Bahrain | Swimming | 2024 Summer | |
| Khaled Ghaloum | Kuwait | Athletics | 1980 Summer | |
| Mohamed Ghaloum | Fencing | 1984 Summer | |
| Khosro Ghamari | Iran | Road cycling | 1992 Summer | |
| Suppiah Suria Ghandi | Malaysia | Field hockey | 1992 Summer | |
| Mohamed Ghandora | Morocco | Road cycling | 1960 Summer | |
| Khaled El Ghandour | Egypt | Football | 1992 Summer | |
| Riadh Ghandri | Tunisia | Volleyball | 1996 Summer | |
| Ahmed Ghanem | Egypt | Athletics | 1984 Summer, 1988 Summer | |
| Abdel Ghani Loukil | Algeria | Handball | 1996 Summer | |
| Kalim Khawaja Ghani | Pakistan | Athletics | 1956 Summer | |
| Sajjad Ghanim [ Wikidata ] | Iraq | Judo | 2024 Summer | |
| Rachid Ghanmouni | Morocco | Athletics | 2004 Summer | |
| Khalid Al-Ghannam | Saudi Arabia | Football | 2020 Summer | |
| Michel Ghaoui | Lebanon | Boxing | 1948 Summer | |
| Ashraf El-Gharably | Egypt | Wrestling | 2004 Summer, 2008 Summer, 2012 Summer | |
| Bassel El-Gharbawy | Judo | 1996 Summer, 2000 Summer, 2004 Summer | |
| Ali Gharbi | Tunisia | Boxing | 1972 Summer | |
| Ali Gharbi | Swimming | 1976 Summer | |
| Hedi Gharbi | Sailing | 2016 Summer | |
| Mahmoud Gharbi | Handball | 2012 Summer | |
| Mehdi Gharbi | Sailing | 2020 Summer | |
| Senda Gharbi | Swimming | 1988 Summer | |
| Samir Gharbo | Egypt | Water polo | 1948 Summer, 1952 Summer | |
| Abdulrahman Ghareeb | Saudi Arabia | Football | 2020 Summer | |
| Tareq Al-Ghareeb | Kuwait | Judo | 1984 Summer | |
| Fethi Ghariani | Tunisia | Volleyball | 1988 Summer | |
| Jaouad Gharib | Morocco | Athletics | 2004 Summer, 2008 Summer | |
| Shawky Gharieb | Egypt | Football | 1984 Summer | |
| Joseph Ghartey | Ghana | 1972 Summer | |
| Mohamed Ibrahim Gharzai | Afghanistan | 1948 Summer | |
| Faycal Gharzouli | Algeria | Volleyball | 1992 Summer | |
| Komeil Ghasemi | Iran | Wrestling | 2012 Summer, 2016 Summer | |
| Reza Ghasemi | Athletics | 2012 Summer, 2016 Summer | |
| Amin Ghasemipour | Boxing | 2012 Summer | |
| Ebrahim Ghasempour | Football | 1976 Summer | |
| Ruqaya Al-Ghasra | Bahrain | Athletics | 2004 Summer, 2008 Summer | |
| Gholamreza Ghassab | Iran | Wrestling | 1976 Summer | |
| Ismael Mahmoud Ghassab | Jordan | Athletics | 1984 Summer | |
| Wael Ghassan | Qatar | Swimming | 2000 Summer | |
| Poulomi Ghatak | India | Table tennis | 2000 Summer | |
| Faten Ghattas | Tunisia | Swimming | 1984 Summer | |
| Majd Eddin Ghazal | Syria | Athletics | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Omar Ahmed El Ghazaly | Egypt | 2004 Summer, 2008 Summer, 2012 Summer | |
| Armen Ghazaryan | Armenia | Weightlifting | 2004 Summer | |
| Arsen Ghazaryan [ Wikidata ] | Road cycling | 1996 Summer | |
| Marine Ghazaryan | Athletics | 2004 Summer | |
| Mekhak Ghazaryan | Soviet Union, Armenia | Boxing | 1988 Summer, 1996 Summer | |
| Ben Assou El Ghazi | Morocco | Athletics | 1964 Summer | |
| Shah Ghazi | Pakistan | Swimming | 1956 Summer | |
| Maouhoub Ghazouani | Morocco | Football | 1972 Summer | |
| Mehdi El Ghazouani | Athletics | 2000 Summer | |
| Houshang Ghazvini | Iran | Shooting | 1976 Summer | |
| Tamim Ghazy [ Wikidata ] | Egypt | Fencing | 2008 Summer | |
| Yohanes Ghebregergis | Eritrea | Athletics | 2020 Summer | |
| Amanuel Ghebreigzabhier | Road cycling | 2020 Summer | |
| Weynay Ghebresilasie | Athletics | 2012 Summer | |
| Ghirmay Ghebreslassie | 2016 Summer | |
| Fisihasion Ghebreyesus | Ethiopia | Road cycling | 1964 Summer, 1968 Summer, 1972 Summer | |
| Bruno Ghedina | Italy | Ice hockey | 1964 Winter | |
| Giuseppe Ghedina | Cross country skiing | 1924 Winter | |
| Guerrino Ghedina | Bobsleigh | 1984 Winter | |
| Guido Ghedina | Alpine skiing | 1956 Winter | |
| Kristian Ghedina | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Mario Ghedina | Art competitions | 1948 Summer | |
| Richard Gheel | Ireland | Swimming | 1988 Summer | |
| Louis Van Gheem | Belgium | Water polo | 1928 Summer | |
| Justine Ghekiere | Road cycling | 2024 Summer | |
| Bianca Ghelber | Romania | Athletics | 2008 Summer, 2012 Summer, 2020 Summer, 2024 Summer | |
| Parviz Ghelichkhani | Iran | Football | 1964 Summer, 1972 Summer, 1976 Summer | |
| Mario Ghella | Italy | Track cycling | 1948 Summer | |
| Frank Ghent | Ireland | Football | 1924 Summer | |
| Andrei Gheorghe | Guatemala | Modern pentathlon | 2012 Summer | |
| Cornel Gheorghe | Romania | Figure skating | 1994 Winter, 1998 Winter | |
| Dumitru Gheorghe | Wrestling | 1956 Summer, 1960 Summer | |
| Ion Gheorghe | Football | 2020 Summer | |
| Ionuț Gheorghe | Boxing | 2004 Summer, 2008 Summer | |
| Marian Gheorghe | Modern pentathlon | 1992 Summer | |
| Marin Gheorghe | Rowing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Valentin Gheorghe | Football | 2020 Summer | |
| Cătălina Gheorghițoaia | Fencing | 2004 Summer | |
| Cătălina Gheorghiu | Athletics | 1996 Summer | |
| Constantin Gheorghiu | Boxing | 1960 Summer | |
| Dan Gheorghiu | Fencing | 1928 Summer | |
| Ioan Gheorghiu | Ice hockey | 1968 Winter, 1976 Winter | |
| Mihaela Gheorghiu | Athletics | 1996 Summer | |
| Mircea Gheorghiu | Artistic gymnastics | 1972 Summer | |
| Dumitru Gheorghiu | Bobsleigh | 1936 Winter | |
| Alina Gherasim | Athletics | 2000 Summer | |
| Rabah Gherbi | Algeria | Handball | 1996 Summer | |
| Ioan Gherghel | Romania | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Vasily Gherghy | Moldova | Biathlon | 1994 Winter | |
| Magdy Gheriani | Egypt | Artistic gymnastics | 1952 Summer | |
| Leo Ghering | Netherlands | Football | 1928 Summer | |
| Marius Gherman | Romania | Artistic gymnastics | 1988 Summer, 1992 Summer | |
| Simona Gherman | Fencing | 2012 Summer, 2016 Summer | |
| Mohammed Ghermati | France | Athletics | 1924 Summer | |
| Agostino Ghesini | Italy | 1984 Summer | |
| Régis Ghesquière | Belgium | 1972 Summer, 1976 Summer | |
| Chaker Ghezal | Tunisia | Volleyball | 2004 Summer | |
| Khaled Ghezzawi | Libya | Swimming | 2004 Summer | |
| Ivo Ghezze | Italy | Ice hockey | 1964 Winter | |
| Luca Ghezzi | Rowing | 2000 Summer, 2004 Summer | |
| Antonio Ghiardello | 1932 Summer, 1936 Summer | |
| Morteza Ghiasi | Iran | Wrestling | 2020 Summer | |
| Teymour Ghiasi | Athletics | 1972 Summer, 1976 Summer | |
| Sergio Ghiatto | Italy | Rowing | 1952 Summer | |
| Alexandru Ghiban | Romania | Water polo | 2012 Summer | |
| Alberto Ghibellini | Italy | 1996 Summer, 2000 Summer | |
| Alessandro Ghibellini | 1968 Summer, 1972 Summer, 1976 Summer | |
| Gianni Ghidini | Road cycling | 1952 Summer | |
| Alberto Ghidoni | Alpine skiing | 1984 Winter | |
| Alfredo Ghierra | Uruguay | Football | 1924 Summer | |
| Romualdo Ghiglione [ Wikidata ] | Italy | Artistic gymnastics | 1920 Summer | |
| Amalia Ghigoarță | Romania | 2024 Summer | |
| Alberto Ghilardi | Italy | Track cycling | 1932 Summer | |
| Rebecca Ghilardi | Figure skating | 2022 Winter | |
| D. L. Ghilchik | Great Britain | Art competitions | 1928 Summer, 1932 Summer | |
| Alla Ghilenko | Moldova | Biathlon | 2022 Winter | |
| Davide Ghiotto | Italy | Speed skating | 2018 Winter, 2022 Winter | |
| Gheorghe Ghipu | Romania | Athletics | 1972 Summer, 1976 Summer | |
| Aldo Ghira | Italy | Water polo | 1948 Summer | |
| Giovanni Ghiselli | Athletics | 1956 Summer | |
| Arnaud Ghislain | Belgium | 2008 Summer | |
| Nicolae Ghiță | Romania | Wrestling | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Ștefan Ghiță | Alpine skiing | 1952 Winter | |
| Virgil Ghiță | Football | 2020 Summer | |
| Vasile Ghițescu | Shooting | 1924 Summer | |
| Toma Ghițulescu | Bobsleigh | 1928 Winter | |
| Andrea Ghiurghi | Italy | Beach volleyball | 1996 Summer | |
| Omar Ghizlat | Morocco | Athletics | 1968 Summer, 1972 Summer | |
| Mira Ghniem | Jordan | Swimming | 1996 Summer | |
| Kaies Ghodhbane | Tunisia | Football | 1996 Summer | |
| A. B. Ghogale [ Wikidata ] | India | Art competitions | 1948 Summer | |
| Adel Gholami | Iran | Volleyball | 2016 Summer | |
| Kazem Gholami | Wrestling | 1992 Summer | |
| Masoud Gholami | Volleyball | 2020 Summer | |
| Amir Reza Ghomi | Judo | 1996 Summer | |
| Hossein Ghomi | 2008 Summer | |
| Antonio Ghomsi | Cameroon | Football | 2008 Summer | |
| Johan Ghoos | Belgium | Rowing | 1976 Summer | |
| Javad Ghorab | Iran | Football | 1972 Summer | |
| Mehdi Ghorbani | Boxing | 2008 Summer | |
| Mohammad Ghorbani | Wrestling | 1968 Summer, 1972 Summer | |
| Sujay Ghorpade | India | Table tennis | 1988 Summer, 1992 Summer | |
| Nilima Ghose | Athletics | 1952 Summer | |
| Mohon Lal Ghosh | Weightlifting | 1964 Summer, 1968 Summer | |
| Shanta Ghosh | Germany | Athletics | 2000 Summer | |
| Soumyajit Ghosh | India | Table tennis | 2012 Summer, 2016 Summer | |
| Yahya Al-Ghotany | Refugee Olympic Team | Taekwondo | 2024 Summer | |
| Hatem Ghoula | Tunisia | Athletics | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Ali El Ghrari | Libya | Archery | 2016 Summer | |
| Abdullah Al-Ghrbi | North Yemen | Wrestling | 1988 Summer | |
| Mohamed Ouamar Ghrib | Algeria | Football | 1980 Summer | |
| Habiba Ghribi | Tunisia | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Ghadir Ghrouf | Palestine | 2008 Summer | |
| Abdullah Sabt Ghulam | United Arab Emirates | 1992 Summer | |
| Rabani Ghulam [ Wikidata ] | Afghanistan | Boxing | 1980 Summer | |
| Mokhtar Ghyaza | Tunisia | Basketball | 2012 Summer | |
| Robbe Ghys | Belgium | Track cycling | 2020 Summer | |
| Félix Ghysels [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |