| Name | Nation | Sport | Games | Notes |
|---|
| Mauro Cía | Argentina | 1948 Summer | |
| Gino Ciabatti [ Wikidata ] | Italy | Rowing | 1908 Summer | |
| Nello Ciaccheri | Road cycling | 1924 Summer | |
| Sante Ciacci | San Marino | 1960 Summer | |
| Maria Ciach | Poland | Athletics | 1952 Summer | |
| Ivars Ciaguns | Latvia | Alpine skiing | 1998 Winter, 2002 Winter, 2006 Winter | |
| Mariano Ciai [ Wikidata ] | Italy | Wrestling | 1912 Summer | |
| Héléna Ciak | France | Basketball | 2016 Summer, 2020 Summer | |
| Gino Ciampa | Australia | Judo | 1984 Summer | |
| Matteo Ciampi | Italy | Swimming | 2020 Summer | |
| Franco Ciampitti | Art competitions | 1936 Summer | |
| Liliana Cian | Colombia | Swimming | 1976 Summer | |
| Nick Ciancio | Australia | Weightlifting | 1972 Summer | |
| Pedro de Ciancio | Argentina | Football | 1960 Summer | |
| Antonio Ciano | Italy | Judo | 2012 Summer | |
| Stefan Ciapała | Poland | Bobsleigh | 1956 Winter | |
| Pedro Ciapessoni | Uruguay | Rowing | 1972 Summer | |
| Jan Gąsienica Ciaptak | Poland | Alpine skiing, Ski jumping | 1948 Winter, 1952 Winter, 1956 Winter | |
| Massimo Ciaramella | Italy | Baseball | 1992 Summer | |
| Gerard Ciarcia | Ice hockey | 1984 Winter | |
| Petru Ciarnău | Romania | Wrestling | 1972 Summer, 1980 Summer | |
| Grzegorz Ciastek | Poland | Artistic gymnastics | 1976 Summer | |
| Fernand Ciatti | Luxembourg | Boxing | 1936 Summer | |
| Javier Ciáurriz | Spain | Football | 1968 Summer | |
| Peter Ciavaglia | United States | Ice hockey | 1994 Winter | |
| Edison Ciavattone | Uruguay | Basketball | 1960 Summer, 1964 Summer | |
| Aleksander Ciążyński | Poland | Field hockey | 1972 Summer | |
| Robert Ciba | Boxing | 1992 Summer | |
| Martin Cibák | Slovakia | Ice hockey | 2010 Winter | |
| Peter Cibák | Canoe slalom | 2008 Summer | |
| Gastón Cibert | Argentina | Sailing | 1948 Summer | |
| Anne Cibis | Germany | Athletics | 2008 Summer, 2012 Summer | |
| Dominika Cibulková | Slovakia | Tennis | 2008 Summer, 2012 Summer | |
| Oskars Cibuļskis | Latvia | Ice hockey | 2022 Winter | |
| Stefania Cicali | Italy | Canoe sprint | 2008 Summer | |
| Matilde Ciccia | Figure skating | 1976 Winter | |
| Angelo Ciccone | Track cycling | 2004 Summer, 2008 Summer | |
| Giulio Ciccone | Road cycling | 2020 Summer | |
| Carola Cicconetti | Fencing | 1984 Summer | |
| Ayhan Çiçek | Turkey | Weightlifting | 2000 Summer | |
| Alessandro Ciceri | Italy | Shooting | 1956 Summer | |
| Raúl Cicero | Mexico | Fencing | 1960 Summer | |
| Alina Cichecka | Poland | Artistic gymnastics | 1936 Summer | |
| Federico Cichero | Argentina | Cross country skiing | 2014 Winter | |
| Mauro Cichero | Venezuela | Football | 1980 Summer | |
| Pavel Cichi | Romania | Rowing | 1968 Summer | |
| Angelika Cichocka | Poland | Athletics | 2016 Summer | |
| Aleksander Cichoń | Wrestling | 1980 Summer | |
| Tomasz Cichy | Field hockey | 2000 Summer | |
| Nicolás Cicileo | Argentina | 2020 Summer | |
| Antonio Ciciliano | Italy | Sailing | 1960 Summer | |
| Matteo Cicinelli | Modern pentathlon | 2024 Summer | |
| Miranda Cicognani | Artistic gymnastics | 1952 Summer, 1956 Summer, 1960 Summer | |
| Rosella Cicognani | 1956 Summer, 1960 Summer | |
| Armando Cicognini | Argentina | Field hockey | 1968 Summer | |
| Jeanine Cicognini | Switzerland, Italy | Badminton | 2008 Summer, 2016 Summer | |
| Greta Cicolari | Italy | Beach volleyball | 2012 Summer | |
| Christine Cicot | France | Judo | 1996 Summer, 2000 Summer | |
| Salvator Cicurel | Egypt | Fencing | 1928 Summer | |
| Aina Cid | Spain | Rowing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Almudena Cid | Rhythmic gymnastics | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Manuel Cid | Mexico | Equestrian dressage | 1984 Summer | |
| Ramón Cid | Spain | Athletics | 1976 Summer, 1980 Summer | |
| Cidinha | Brazil | Football | 2000 Summer | |
| Stefan Ciekański | Poland | Road cycling | 1980 Summer | |
| César Cielo | Brazil | Swimming | 2008 Summer, 2012 Summer | |
| Henry Cieman | Canada | Athletics | 1932 Summer | |
| Javier Cienfuegos | Spain | 2012 Summer, 2016 Summer, 2020 Summer | |
| Tessa Cieplucha | Canada | Swimming | 2020 Summer | |
| Olgierd Ciepły | Poland | Athletics | 1960 Summer, 1964 Summer | |
| Teresa Ciepły | 1960 Summer, 1964 Summer | |
| Miloš Čiernik | Czechoslovakia | Weightlifting | 1988 Summer, 1992 Summer | |
| Waldemar Cierpinski | East Germany | Athletics | 1976 Summer, 1980 Summer | |
| Waldemar Ciesielczyk | Poland | Fencing | 1988 Summer | |
| Piotr Cieśla | Handball | 1976 Summer | |
| Marcin Cieślak | Swimming | 2012 Summer | |
| Michał Cieślak | Rowing | 1992 Summer | |
| Włodzimierz Cieślak | Wrestling | 1972 Summer | |
| Sławomir Cieślakowski | Rowing | 1988 Summer | |
| Adam Cieślar | Nordic combined | 2014 Winter, 2018 Winter | |
| Gerard Cieślik | Football | 1952 Summer | |
| Victorio Cieslinskas | Uruguay | Basketball | 1948 Summer, 1952 Summer | |
| Jürgen Ciezki | East Germany | Weightlifting | 1976 Summer | |
| Jan Cífka | Czechoslovakia | Cross country skiing, Nordic combined, Ski jumping | 1932 Winter | |
| Ján Cifra | Volleyball | 1980 Summer | |
| Batuhan Çiftçi | Turkey | Boxing | 2020 Summer | |
| İbrahim Çiftçi | Wrestling | 2024 Summer | |
| Horacio Cifuentes | Argentina | Table tennis | 2020 Summer | |
| Mariana Cifuentes | Mexico | Artistic swimming | 2008 Summer | |
| Edith Cigana | Italy | Triathlon | 2000 Summer | |
| Carlota Ciganda | Spain | Golf | 2016 Summer, 2020 Summer, 2024 Summer | |
| Luka Ciganović | Yugoslavia | Water polo | 1936 Summer, 1948 Summer | |
| Luca Cigarini | Italy | Football | 2008 Summer | |
| Zdeno Cíger | Slovakia | Ice hockey | 1998 Winter | |
| Iva Ciglar | Croatia | Basketball | 2012 Summer | |
| Igor Cigolla | Italy | Alpine skiing | 1988 Winter | |
| Zdeněk Čihák | Czechoslovakia | Athletics | 1960 Summer | |
| Marius Cihărean | Romania | Weightlifting | 1996 Summer | |
| Traian Cihărean | 1988 Summer, 1992 Summer, 1996 Summer | |
| Jaroslav Cihlář | Czechoslovakia | Road cycling, Track cycling | 1956 Summer | |
| Anatolie Cîrîcu | Moldova | Weightlifting | 2012 Summer | |
| Thomas Cijan | Austria | Ice hockey | 1984 Winter, 1988 Winter | |
| Eileen Cikamatana | Australia | Weightlifting | 2024 Summer | |
| Lubos Cikel | Austria | Wrestling | 2004 Summer | |
| Milorad Čikić | Yugoslavia | Athletics | 1972 Summer | |
| Martin Cikl | Czech Republic | Ski jumping | 2010 Winter | |
| Metin Çıkmaz | Turkey | Wrestling | 1968 Summer | |
| Antanas Čikotas | Soviet Union | Rowing | 1976 Summer | |
| Stanisław Cikowski | Poland | Football | 1924 Summer | |
| Elena Erighina | Moldova | Weightlifting | 2020 Summer | |
| Marin Čilić | Croatia | Tennis | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Milena Cillerová | Czechoslovakia | Cross country skiing | 1972 Winter | |
| Jos Cillien | Luxembourg | Artistic gymnastics | 1936 Summer | |
| Ray Cillien | Boxing | 1960 Summer | |
| Ockert Cilliers | South Africa | Athletics | 2004 Summer | |
| Rudolf Čillík | Czechoslovakia | Cross country skiing | 1960 Winter | |
| Bilal Çiloğlu | Turkey | Judo | 2020 Summer | |
| Laurent Ciman | Belgium | Football | 2008 Summer | |
| Marco Cimatti | Italy | Track cycling | 1932 Summer | |
| Suzana Cimbal Špirelja | Croatia | Shooting | 2008 Summer | |
| Robert Cimera | Austria | Football | 1912 Summer | |
| Zvonimir Cimermančić | Yugoslavia | 1948 Summer | |
| Natalia Cimin | Italy | Softball | 2004 Summer | |
| Gabriele Cimini | Fencing | 2020 Summer, 2024 Summer | |
| Cristina Cimino | Rhythmic gymnastics | 1984 Summer | |
| Vilis Cimmermanis | Latvia | Athletics | 1924 Summer, 1928 Summer | |
| Luigi Cimnaghi | Italy | Artistic gymnastics | 1964 Summer, 1968 Summer | |
| Gheorghe Cimpoia | Romania | Biathlon | 1964 Winter, 1968 Winter | |
| Otto Cimrman | Czechoslovakia | Ice hockey | 1956 Winter | |
| Ateş Çınar | Turkey | Sailing | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Deniz Çınar | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Jan Cincibuch | Czech Republic | Rowing | 2020 Summer | |
| Manolita Cinco | Philippines | Athletics | 1956 Summer | |
| Giuseppe Cindolo | Italy | 1972 Summer, 1976 Summer | |
| Luka Cindrić | Croatia | Handball | 2024 Summer | |
| Slavin Cindrić | Yugoslavia | Football | 1920 Summer, 1928 Summer | |
| Cécile Cinélu | France | Athletics | 1992 Summer, 1996 Summer | |
| Lukáš Cingel | Slovakia | Ice hockey | 2018 Winter | |
| Darko Cingesar | Slovenia | Handball | 2016 Summer | |
| Ezio Cini | Italy | Shooting | 1984 Summer | |
| Luigi Cini | Brazil | Skateboarding | 2024 Summer | |
| Mathilde Cini | France | Swimming | 2016 Summer | |
| Ondřej Cink | Czech Republic | Cycling mountain bike | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Arnaldo Cinquetti | Italy | Swimming | 1972 Summer | |
| Lucio Cinti | Argentina | Rugby sevens | 2020 Summer | |
| Gerd Cintl | Germany | Rowing | 1960 Summer | |
| Jeyvier Cintrón | Puerto Rico | Boxing | 2012 Summer, 2016 Summer | |
| Alin Florin Cioancă | Romania | Cross country skiing | 2018 Winter | |
| Andrei Ciobanu | Football | 2020 Summer | |
| Mihaela Ciobanu | Spain | Handball | 2012 Summer | |
| Ramona Maria Ciobanu | Romania | Diving | 2004 Summer, 2008 Summer | |
| Victor Ciobanu | Moldova | Wrestling | 2020 Summer, 2024 Summer | |
| Dumitru Ciobotaru | Romania | Boxing | 1952 Summer | |
| Gheorghe Ciobotaru | Wrestling | 1976 Summer | |
| Mihai Cioc | Judo | 1980 Summer, 1984 Summer | |
| Clara Elena Ciocan | Diving | 1992 Summer, 1996 Summer, 2000 Summer | |
| Constantin Ciocan | Road cycling | 1964 Summer | |
| Mario Ciocco | Switzerland | Shooting | 1948 Summer | |
| Jennifer Ciochetti | Canada | Bobsleigh | 2014 Winter | |
| Gheorghe Ciochină | Romania | Boxing | 1976 Summer | |
| Șerban Ciochină | Athletics | 1964 Summer, 1968 Summer | |
| Anne-Cécile Ciofani | France | Rugby sevens | 2020 Summer, 2024 Summer | |
| Walter Ciofani | Athletics | 1984 Summer | |
| Gerald Ciolek | Germany | Road cycling | 2008 Summer | |
| Valentina Cioltan | Romania | Athletics | 1972 Summer | |
| Maria Cioncan | 2004 Summer | |
| Daniele Cioni | Italy | Shooting | 1984 Summer, 1988 Summer, 1992 Summer | |
| Vittorio Cioni | Rowing | 1932 Summer | |
| Dragomir Cioroslan | Romania | Weightlifting | 1976 Summer, 1980 Summer, 1984 Summer | |
| Emilia Elena Ciosu | Table tennis | 1992 Summer, 1996 Summer | |
| Emanuela Ciotău [ Wikidata ] | Rowing | 2024 Summer | |
| Dragutin Ciotti | Yugoslavia | Artistic gymnastics | 1928 Summer | |
| Nicola Ciotti | Italy | Athletics | 2004 Summer | |
| Ivo Cipci | Yugoslavia | Water polo | 1956 Summer | |
| Josef Čipera | Bohemia | Fencing | 1912 Summer | |
| Dumitru Cipere | Romania | Boxing | 1980 Summer | |
| Aydoğan Çipiloğlu | Turkey | Football | 1960 Summer | |
| Bruno Cipolla | Italy | Rowing | 1968 Summer | |
| Glorianda Cipolla | Alpine skiing | 1968 Winter | |
| Jean Cipollina | Rowing | 1924 Summer | |
| Cesare Cipollini | Track cycling | 1976 Summer | |
| Mario Cipollini | Road cycling | 1996 Summer | |
| Pete Cipollone | United States | Rowing | 2000 Summer, 2004 Summer | |
| Angelo Cipolloni | Italy | Athletics | 1996 Summer | |
| Milan Cipov | Slovakia | Water polo | 2000 Summer | |
| Morgan Ciprès | France | Figure skating | 2014 Winter, 2018 Winter | |
| Andrea Cipressa | Italy | Fencing | 1984 Summer, 1988 Summer | |
| Erica Cipressa | 2020 Summer | |
| Stefano Cipressi | Canoe slalom | 2012 Summer | |
| Antoine Cipriani | France | Canoe sprint | 1976 Summer | |
| Juan Cipriano | Philippines | Alpine skiing | 1972 Winter | |
| Maria Cipriano | Brazil | Athletics | 1968 Summer | |
| Olímpio Cipriano | Angola | Basketball | 2004 Summer, 2008 Summer | |
| Pina Cipriotto | Italy | Artistic gymnastics | 1936 Summer | |
| Aigars Cipruss | Latvia | Ice hockey | 2002 Winter, 2006 Winter | |
| Emīls Cipulis | Bobsleigh | 2022 Winter | |
| Mārtiņš Cipulis | Ice hockey | 2006 Winter, 2010 Winter, 2014 Winter | |
| Gül Çiray | Turkey | Athletics | 1960 Summer | |
| Anthony Circelli | Italy | Ice hockey | 1992 Winter, 1994 Winter | |
| Samba Ciré | France | Athletics | 1924 Summer | |
| Patricia Cireș | Romania | Rowing | 2024 Summer | |
| Jacinto Ciria Cruz | Philippines | Basketball | 1936 Summer | |
| Aleksandar Ćirić | Serbia and Montenegro, Serbia | Water polo | 2000 Summer, 2004 Summer, 2008 Summer | |
| Suzana Ćirić | Independent Olympians, Serbia and Montenegro | Athletics | 1992 Summer, 1996 Summer | |
| Chris Ciriello | Australia | Field hockey | 2012 Summer, 2016 Summer | |
| Bruno Cirillo | Italy | Football | 2000 Summer | |
| Gennaro Cirillo | Canoe sprint | 1984 Summer | |
| Gustavo Cirillo | Argentina | 1988 Summer | |
| Yarisleidis Cirilo | Cuba | 2020 Summer, 2024 Summer | |
| Zuleyma Cirimele | Venezuela | Softball | 2008 Summer | |
| Miklós Cirjenics | Hungary | Judo | 2016 Summer, 2020 Summer | |
| Geert Cirkel | Netherlands | Rowing | 2000 Summer, 2008 Summer | |
| Sara Ćirković [ Wikidata ] | Serbia | Boxing | 2024 Summer | |
| Emil Cirl | Czechoslovakia | Water polo | 1920 Summer | |
| Daniela Cîrlan | Romania | Athletics | 2004 Summer, 2016 Summer | |
| Jason Cirone | Italy | Ice hockey | 2006 Winter | |
| Liliana Cîrstea | Romania | Diving | 1980 Summer | |
| Sorana Cîrstea | Tennis | 2008 Summer, 2012 Summer | |
| Giuseppina Cirulli | Italy | Athletics | 1984 Summer | |
| Monica Cirulli | Artistic swimming | 2004 Summer | |
| Josef Císař | Czechoslovakia | Ski jumping | 1948 Winter | |
| Giulio Cisari | Italy | Art competitions | 1936 Summer | |
| Mihai Cișmaș | Romania | Wrestling | 1984 Summer | |
| Petre Cișmigiu | Shooting | 1952 Summer | |
| Carlos Cisneros | Mexico | Football | 2016 Summer | |
| Ernesto Cisneros | 1964 Summer | |
| Franklin Cisneros | El Salvador | Judo | 2008 Summer | |
| Omar Cisneros | Cuba | Athletics | 2008 Summer, 2012 Summer | |
| Pedro Cisneros | Sailing | 1924 Summer | |
| Alberto Cisolla | Italy | Volleyball | 2004 Summer, 2008 Summer | |
| Marián Čišovský | Slovakia | Football | 2000 Summer | |
| Khadija Ciss | Senegal | Swimming | 2004 Summer | |
| Saliou Ciss | Football | 2012 Summer | |
| Arthur Cissé | Ivory Coast | Athletics | 2020 Summer, 2024 Summer | |
| Bangaly Cissé [ Wikidata ] | Guinea | Football | 2024 Summer | |
| Cheick Sallah Cissé | Ivory Coast | Taekwondo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Coumba Cissé | Senegal | Basketball | 2000 Summer | |
| Ibrahima Cissé | Mali | Football | 2024 Summer | |
| Jonas Cissé | Senegal | Judo | 1972 Summer | |
| Mamadou Cisse | Guinea | Swimming | 2008 Summer | |
| Sekou Cissé | Ivory Coast | Football | 2008 Summer | |
| Mohamed Cisset [ Wikidata ] | Mali | 2024 Summer | |
| Souleymane Cissokho | France | Boxing | 2016 Summer | |
| Yaya Cissokho | Senegal | Basketball | 1980 Summer | |
| Eduardo Cisternas | Chile | Swimming | 2020 Summer, 2024 Summer | |
| Carola Ciszewski | Germany | Handball | 1992 Summer | |
| Maciej Ciszewski | Poland | Fencing | 1992 Summer | |
| Yiğit Yalçın Çıtak | Turkey | Sailing | 2024 Summer | |
| Vesna Čitaković | Serbia | Volleyball | 2008 Summer | |
| Franck Citeau | France | Sailing | 1996 Summer | |
| Mélissa Citrini-Beaulieu | Canada | Diving | 2020 Summer | |
| Sandra Citte | France | Athletics | 1996 Summer, 2000 Summer | |
| Anselmo Citterio | Italy | Track cycling | 1948 Summer | |
| Guido Citterio | Speed skating | 1952 Winter, 1956 Winter | |
| Cristiano Citton | Track cycling | 1996 Summer, 2000 Summer | |
| Constantin Ciucă | Romania | Boxing | 1964 Summer, 1968 Summer | |
| Bogdan Ciufulescu | Wrestling | 1996 Summer | |
| Fedosei Ciumacenco | Moldova | Athletics | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Alexandru Ciupe | Romania | Judo | 1992 Summer, 1996 Summer | |
| Valentina Ciurina | Moldova | Biathlon | 2002 Winter, 2006 Winter | |
| Elda Cividino | Italy | Artistic gymnastics | 1936 Summer | |
| Giona Cividino | Bobsleigh | 2002 Winter | |
| Danis Civil | France | Breaking | 2024 Summer | |
| Leandro Civil | Cuba | Athletics | 1976 Summer | |
| Xavier Civit [ Wikidata ] | Spain | Baseball | 1992 Summer | |
| Karel Čížek | Czechoslovakia | Rowing | 1920 Summer | |
| Guillaume Cizeron | France | Figure skating | 2018 Winter, 2022 Winter | |
| Albin Čižman | Slovenia | Canoe slalom | 1992 Summer | |
| Tomaž Čižman | Yugoslavia | Alpine skiing | 1988 Winter | |
| Tomislav Čižmešija | Croatia | Figure skating | 1992 Winter | |
| Željka Čižmešija | Yugoslavia, Croatia | 1988 Winter, 1992 Winter | |
| Felix Claar | Sweden | Handball | 2020 Summer, 2024 Summer | |
| Léopold Clabots | Belgium | Artistic gymnastics | 1920 Summer | |
| Nicholas Clack | Great Britain | Rowing | 1952 Summer | |
| Hanne Claes | Belgium | Athletics | 2020 Summer, 2024 Summer | |
| Lucien Claes | Wrestling | 1952 Summer | |
| Victor Claes | Equestrian vaulting | 1920 Summer | |
| Willy Claes | Weightlifting | 1956 Summer, 1960 Summer | |
| Lothar Claesges | Germany | Track cycling | 1964 Summer | |
| Göran Claeson | Sweden | Speed skating | 1968 Winter, 1972 Winter | |
| Sören Claeson | Wrestling | 1980 Summer, 1984 Summer, 1988 Summer | |
| Gustave Claessen | Belgium | Track cycling | 1920 Summer | |
| François Claessens | Artistic gymnastics | 1920 Summer | |
| Jean-Baptiste Claessens | 1920 Summer | |
| Nastja Claessens | Basketball | 2024 Summer | |
| Zoé Claessens | Switzerland | Cycling BMX racing | 2020 Summer, 2024 Summer | |
| Arne Claesson | Sweden | Water polo | 1980 Summer | |
| Lovisa Claesson | Rowing | 2020 Summer | |
| Per-Olof Claesson | 1988 Summer, 1992 Summer | |
| Lucas Claeyssens [ Wikidata ] | Belgium | Sailing | 2024 Summer | |
| Julia Clair | France | Ski jumping | 2014 Winter, 2022 Winter | |
| Merven Clair | Mauritius | Boxing | 2016 Summer, 2020 Summer | |
| Sandie Clair | France | Track cycling | 2012 Summer, 2016 Summer | |
| Caroline Claire | United States | Freestyle skiing | 2018 Winter, 2022 Winter | |
| Stéphane Clamens | France | Shooting | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Cummin Clancy | Ireland | Athletics | 1948 Summer | |
| Dean Clancy | Boxing | 2024 Summer | |
| Ed Clancy | Great Britain | Track cycling | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Grant Clancy | New Zealand | Canoe sprint | 2024 Summer | |
| Taliqua Clancy | Australia | Beach volleyball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Terry Clancy | Canada | Ice hockey | 1964 Winter | |
| Reita Clanton | United States | Handball | 1984 Summer | |
| Francesca Clapcich | Italy | Sailing | 2012 Summer, 2016 Summer | |
| Gerard Clapés | Spain | Field hockey | 2024 Summer | |
| Diana Clapham | Great Britain | Equestrian eventing | 1984 Summer | |
| Austin Clapp | United States | Swimming, Water polo | 1928 Summer, 1932 Summer | |
| Charles Clapp | Rowing | 1984 Summer | |
| Gene Clapp | 1972 Summer | |
| Stubby Clapp | Canada | Baseball | 2004 Summer, 2008 Summer | |
| Charles Clapper | United States | Wrestling | 1904 Summer | |
| Charles Clappier | France | Fencing | 1900 Summer | |
| Frida Clara | Italy | Alpine skiing | 1936 Winter | |
| Josep Clarà | Spain | Art competitions | 1924 Summer | |
| Roland Clara | Italy | Cross country skiing | 2010 Winter, 2014 Winter | |
| Lewis Clareburt | New Zealand | Swimming | 2020 Summer, 2024 Summer | |
| Daniel Clarembaux | Belgium | Rowing | 1920 Summer | |
| Max Clarenbach | Germany | Art competitions | 1928 Summer, 1932 Summer | |
| Emmanuelle Claret | France | Biathlon | 1994 Winter, 1998 Winter | |
| Martine Claret | Swimming | 1972 Summer | |
| Pierre Claret | Ice hockey | 1936 Winter | |
| Clarissa Claretti | Italy | Athletics | 2004 Summer, 2008 Summer | |
| Johan Clarey | France | Alpine skiing | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Vincent Clarico | Athletics | 1996 Summer | |
| Eddy Clarisse | Mauritius | Badminton | 1992 Summer, 1996 Summer, 2000 Summer | |
| Birgit Clarius | Germany | Athletics | 1992 Summer | |
| Joetta Clark Diggs | United States | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Isabel Clark Ribeiro | Brazil | Snowboarding | 2006 Winter, 2010 Winter, 2014 Winter | |
| Lex Clark | New Zealand | Rowing | 1964 Summer | |
| Alister Clark | Ireland | Athletics | 1928 Summer | |
| Amanda Clark | United States | Sailing | 2008 Summer, 2012 Summer | |
| Anthony Clark | Great Britain | Badminton | 2004 Summer, 2008 Summer | |
| Aoife Clark | Ireland | Equestrian eventing | 2012 Summer, 2024 Summer | |
| Arthur Clark | Great Britain | Athletics | 1924 Summer | |
| Barbara Clark | Canada | Swimming | 1976 Summer | |
| Bob Clark | United States | Athletics | 1936 Summer | |
| Bridget Clark | Australia | Rugby sevens | 2024 Summer | |
| Cam Clark | 2016 Summer | |
| Carmel Clark | New Zealand | Swimming | 1984 Summer | |
| Caroline Clark | United States | Water polo | 2016 Summer | |
| Charlie Clark [ Wikidata ] | Great Britain | Track cycling | 1908 Summer | |
| Christine Clark | United States | Athletics | 2000 Summer | |
| Cosmo Clark | Great Britain | Art competitions | 1948 Summer | |
| Danny Clark | Australia | Track cycling | 1972 Summer | |
| Daniel Clark | Great Britain | Basketball | 2012 Summer | |
| Darren Clark | Australia | Athletics | 1984 Summer, 1988 Summer | |
| Dave Clark | United States | 1960 Summer | |
| David Clark | Rowing | 1984 Summer | |
| Derek Clark | Great Britain | Sailing | 1976 Summer | |
| Des Clark | Australia | Water polo | 1960 Summer | |
| Duncan Clark | Great Britain | Athletics | 1948 Summer, 1952 Summer | |
| Ellery Harding Clark | United States | 1896 Summer, 1904 Summer | |
| Emily Clark | Canada | Ice hockey | 2018 Winter, 2022 Winter | |
| Emory Clark | United States | Rowing | 1964 Summer | |
| Ernest Clark | Great Britain | Athletics | 1924 Summer | |
| Eugene Clark | United States | Rowing | 1932 Summer | |
| Frank Clark | Australia | Athletics | 1968 Summer | |
| Geoffrey Clark | Water polo | 1988 Summer, 1992 Summer | |
| Gillian Clark | Great Britain | Badminton | 1992 Summer | |
| Gregg Clark | South Africa | Field hockey | 1996 Summer, 2004 Summer | |
| Hazel Clark | United States | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| James Clark | Shooting | 1960 Summer | |
| James Clark | Australia | Water polo | 2012 Summer | |
| Jay Clark | United States | Shooting | 1920 Summer | |
| Jim Clark | Great Britain | Rowing | 1972 Summer, 1976 Summer, 1980 Summer | |
| Jimmy Clark | United States | Boxing | 1936 Summer | |
| John Clark | Australia | Rowing | 1972 Summer | |
| John Clark | New Zealand | 1972 Summer | |
| Karen Clark | Canada | Artistic swimming | 1996 Summer | |
| Karen Clark | Rowing | 2004 Summer | |
| Katie Clark | Great Britain | Artistic swimming | 2012 Summer, 2016 Summer | |
| Kelly Clark | United States | Snowboarding | 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Ken Clark | Weightlifting | 1984 Summer | |
| Kirsten Clark | Alpine skiing | 1998 Winter, 2002 Winter, 2006 Winter | |
| Lin Clark | Great Britain | Rowing | 1976 Summer, 1980 Summer | |
| Marjorie Clark | South Africa | Athletics | 1928 Summer, 1932 Summer | |
| Mary Ellen Clark | United States | Diving | 1992 Summer, 1996 Summer | |
| Maureen Clark | Curling | 2006 Winter | |
| Milly Clark | Australia | Athletics | 2016 Summer | |
| Nigel Clark | Great Britain | Modern pentathlon | 1980 Summer | |
| Penny Clark | Sailing | 2008 Summer | |
| Philip Clark | United States | Rugby | 1924 Summer | |
| Quincey Clark | Wrestling | 2000 Summer | |
| Ranza Clark | Canada | Athletics | 1984 Summer | |
| Raymond Clark | United States | Canoe sprint | 1948 Summer | |
| Ricardo Clark | Guatemala | Football | 1968 Summer | |
| Robert Clark | Australia | Wrestling | 1960 Summer | |
| Roland Clark | United States | Art competitions | 1932 Summer | |
| Ron Clark | Great Britain | Athletics | 1956 Summer | |
| Sally Clark | New Zealand | Equestrian eventing | 1996 Summer | |
| Sarah Clark | Great Britain | Judo | 2004 Summer, 2008 Summer, 2012 Summer | |
| Saskia Clark | Sailing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Sherm Clark | United States | Rowing | 1920 Summer | |
| Steve Clark | Swimming | 1960 Summer, 1964 Summer | |
| Thomas Clark | Rowing | 1932 Summer | |
| Tony Clark | Great Britain | Shooting | 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer | |
| William Clark | United States | Archery | 1904 Summer | |
| William Clark | Boxing | 1920 Summer | |
| William Clark | Canada | Cross country skiing, Alpine skiing, Nordic combined | 1932 Winter, 1936 Winter | |
| Wyndham Clark | United States | Golf | 2024 Summer | |
| Zoey Clark | Great Britain | Athletics | 2020 Summer | |
| Alexandra Clarke [ Wikidata ] | Australia | Canoe sprint | 2024 Summer | |
| Allistar Clarke | Saint Kitts and Nevis | Athletics | 2016 Summer | |
| Amya Clarke | 2020 Summer | |
| Angela Clarke | Australia | Volleyball | 2000 Summer | |
| Anto Clarke | Ireland | Judo | 1972 Summer | |
| Brett Clarke | Australia | Table tennis | 2000 Summer | |
| Cheavon Clarke | Great Britain | Boxing | 2020 Summer | |
| Chris Clarke | Canada | 1976 Summer | |
| Christine Clarke | Rowing | 1984 Summer | |
| Davian Clarke | Jamaica | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Debbie Clarke | Canada | Swimming | 1976 Summer | |
| Dominic Clarke | Australia | Trampolining | 2020 Summer | |
| Edward Clarke | Great Britain | Modern pentathlon | 1920 Summer | |
| Frazer Clarke | Boxing | 2020 Summer | |
| Georgie Clarke | Australia | Athletics | 2000 Summer | |
| Gladys Clarke | Great Britain | 1948 Summer | |
| Glenn Clarke | Australia | Track cycling | 1984 Summer | |
| Harold Clarke | Great Britain | Diving | 1908 Summer, 1920 Summer, 1924 Summer | |
| Heather Clarke | Canada | Rowing | 1988 Summer | |
| Helen Clarke | New Zealand | Field hockey | 2000 Summer, 2004 Summer | |
| Herbert Clarke | Great Britain | Figure skating | 1924 Winter | |
| Hilton Clarke | Australia | Track cycling | 1968 Summer | |
| Ian Clarke | Artistic gymnastics | 1972 Summer | |
| James Clarke | Great Britain | Tug of war | 1908 Summer | |
| James Clarke | Rowing | 2008 Summer | |
| John Clarke | Canada | Sailing | 1972 Summer | |
| Jonty Clarke | Great Britain | Field hockey | 2008 Summer, 2012 Summer | |
| Joe Clarke | Canoe slalom | 2016 Summer, 2024 Summer | |
| Karen Clarke | Canada | Athletics | 1992 Summer | |
| Kendra Clarke | 2016 Summer | |
| Kenneth Clarke | Australia | Field hockey | 1956 Summer | |
| Kim Clarke | United States | Handball | 1988 Summer, 1992 Summer, 1996 Summer | |
| Lanece Clarke | Bahamas | Athletics | 2016 Summer | |
| Lawrence Clarke | Great Britain | 2012 Summer, 2016 Summer | |
| Lindsay Clarke | United States | Rowing | 2008 Summer | |
| Louis Clarke | Athletics | 1924 Summer | |
| Mark Clarke | Cayman Islands | Sailing | 1992 Summer, 1996 Summer | |
| Matthew Clarke | Australia | Athletics | 2020 Summer, 2024 Summer | |
| Norman Clarke | Canada | Basketball | 1988 Summer | |
| Rawle Clarke | Barbados | Athletics | 1976 Summer | |
| Richard Clarke | Canada | Sailing | 1996 Summer, 2000 Summer, 2004 Summer, 2012 Summer | |
| Rodney Clarke | Australia | Figure skating | 1988 Winter | |
| Rogan Clarke | South Africa | Rowing | 1992 Summer | |
| Ron Clarke | Australia | Athletics | 1964 Summer, 1968 Summer | |
| Roshawn Clarke | Jamaica | 2024 Summer | |
| Ryan Clarke | Netherlands | 2024 Summer | |
| Simon Clarke | Australia | Road cycling | 2016 Summer, 2024 Summer | |
| Stanley Clarke | Great Britain | Swimming | 1960 Summer | |
| Stephen Clarke | Canada | 1992 Summer, 1996 Summer | |
| Tamicka Clarke | Bahamas | Athletics | 2004 Summer, 2008 Summer | |
| Thomas Clarke | Great Britain | Skeleton | 1948 Winter | |
| Tony Clarke | New Zealand | Shooting | 1984 Summer | |
| Will Clarke | Great Britain | Triathlon | 2008 Summer | |
| William Clarke [ Wikidata ] | Athletics | 1908 Summer | |
| Eldece Clarke-Lewis | Bahamas | 1984 Summer, 1996 Summer, 2000 Summer | |
| Guy Clarkson | Great Britain | Ice hockey | 1924 Winter | |
| Sean Clarkson | New Zealand | Sailing | 1996 Summer | |
| Candi Clarkson-Lohr | Canada | Basketball | 1984 Summer | |
| Alejandro Claro | Cuba | Boxing | 2024 Summer | |
| Eugenio Claro | Chile | Alpine skiing | 2014 Winter | |
| José María Claro | Spain | Rowing | 1992 Summer | |
| Jorge Claros | Honduras | Football | 2008 Summer | |
| Don Clary | United States | Athletics | 1984 Summer | |
| Justinien Clary | France | Shooting | 1900 Summer | |
| Tyler Clary | United States | Swimming | 2012 Summer | |
| Peggy Clasen | Speed skating | 1992 Winter, 1994 Winter | |
| Christal Clashing | Antigua and Barbuda | Swimming | 2004 Summer | |
| Karin O'Reilly Clashing | 2012 Summer | |
| Hugo Clason | Sweden | Sailing | 1912 Summer | |
| Katie Class | United States | Speed skating | 1984 Winter, 1988 Winter | |
| Theo Classens | Belgium | Canoe sprint | 1976 Summer, 1980 Summer | |
| Jodie Clatworthy | Australia | Swimming | 1988 Summer | |
| Guy Claud | France | Track cycling | 1960 Summer | |
| André Claude | Canada | Athletics | 1972 Summer | |
| Fabien Claude | France | Biathlon | 2022 Winter | |
| Florent Claude | Belgium | 2018 Winter, 2022 Winter | |
| Delphine Claudel | France | Cross country skiing | 2018 Winter, 2022 Winter | |
| Véronique Claudel | Biathlon | 1992 Winter, 1994 Winter | |
| Frances Claudet | Canada | Figure skating | 1932 Winter | |
| Claudinho | Brazil | Football | 2020 Summer | |
| Fabiana Claudino | Volleyball | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Víctor Claudio | Puerto Rico | Boxing | 1984 Summer | |
| Leslie Claudius | India | Field hockey | 1948 Summer, 1952 Summer, 1956 Summer, 1960 Summer | |
| Daniel Claudon | France | Biathlon | 1968 Winter, 1972 Winter | |
| Éric Claudon | 1984 Winter, 1988 Winter | |
| Edgar Claure | Bolivia | Judo | 1984 Summer | |
| Christian Claus | Austria | Sailing | 1988 Summer | |
| Bruno Clausen | Denmark | 1948 Summer | |
| Curt Clausen | United States | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Frithjof Clausen | Norway | Wrestling | 1948 Summer, 1952 Summer | |
| Haukur Clausen | Iceland | Athletics | 1948 Summer | |
| Henning Clausen | Denmark | Shooting | 1972 Summer, 1976 Summer, 1980 Summer | |
| Nick Clausen | Boxing | 1920 Summer | |
| Örn Clausen | Iceland | Athletics | 1948 Summer | |
| Peter Clausen | Denmark | Track cycling | 1988 Summer | |
| Stefanie Clausen | Diving | 1920 Summer | |
| Torbjørn Clausen | Norway | Boxing | 1952 Summer | |
| Yves Clausse | Luxembourg | Swimming | 1988 Summer, 1992 Summer | |
| Ahrensborg Clausen | Denmark | Road cycling | 1920 Summer, 1924 Summer | |
| Hans Claussen | Germany | Weightlifting | 1952 Summer | |
| Perrine Clauzel | France | Cycling mountain bike | 2016 Summer | |
| Mick Clavan | Netherlands | Football | 1952 Summer | |
| Pierre Clavé | France | Equestrian jumping | 1924 Summer, 1928 Summer | |
| Héctor Clavel | Chile | Equestrian dressage | 1952 Summer | |
| Gian Clavell | Puerto Rico | Basketball | 2024 Summer | |
| Víctor Claver | Spain | 2012 Summer, 2016 Summer, 2020 Summer | |
| Carlos Claverie | Venezuela | Swimming | 2016 Summer | |
| Cédric Claverie | France | Judo | 2004 Summer | |
| Enrique Claverol | Spain | Shooting | 1992 Summer | |
| Jérôme Clavier | France | Athletics | 2008 Summer | |
| Ángela Clavijo | Colombia | Football | 2016 Summer | |
| Adam Clawson | United States | Canoe slalom | 1992 Summer, 1996 Summer | |
| Gerald Clawson | Canada | Swimming | 1936 Summer | |
| John Clawson | United States | Basketball | 1968 Summer | |
| Grace Claxton | Puerto Rico | Athletics | 2016 Summer, 2024 Summer | |
| Jane Claxton | Australia | Field hockey | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sarah Claxton | Great Britain | Athletics | 2004 Summer, 2008 Summer | |
| Amy Clay | Australia | Rowing | 2008 Summer, 2012 Summer | |
| Bryan Clay | United States | Athletics | 2004 Summer, 2008 Summer | |
| Liz Clay | Australia | 2020 Summer, 2024 Summer | |
| Henry Clay | Great Britain | Rowing | 1976 Summer, 1980 Summer | |
| Jon Clay | Track cycling | 2000 Summer | |
| Mellor Clay [ Wikidata ] | Artistic gymnastics | 1908 Summer | |
| William Clay | United States | Track cycling | 1996 Summer | |
| Zachary Clay | Canada | Artistic gymnastics | 2024 Summer | |
| Lawrence Clay-Bey | United States | Boxing | 1996 Summer | |
| Queen Claye | Athletics | 2008 Summer | |
| Will Claye | 2012 Summer, 2016 Summer, 2020 Summer | |
| André Clayeux | France | 1924 Summer | |
| Andrew Clayton | Great Britain | Swimming | 1996 Summer, 2000 Summer | |
| Custio Clayton | Canada | Boxing | 2012 Summer | |
| Derek Clayton | Australia | Athletics | 1968 Summer, 1972 Summer | |
| Francesca Clayton | Great Britain | Water polo | 2012 Summer | |
| José Clayton | Tunisia | Football | 2004 Summer | |
| Juanita Clayton | Canada | Softball | 1996 Summer | |
| Rushell Clayton | Jamaica | Athletics | 2024 Summer | |
| Sheila Clayton | Great Britain | Swimming | 1968 Summer | |
| Ted Clayton | South Africa | Road cycling, Track cycling | 1936 Summer | |
| Tia Clayton | Jamaica | Athletics | 2024 Summer | |
| Wellesley Clayton | 1964 Summer, 1968 Summer | |
| Campbell Clayton-Greene | New Zealand | Rowing | 1988 Summer, 1992 Summer | |
| Ciaran Clear | Ireland | Art competitions | 1948 Summer | |
| Jacob Clear | Australia | Canoe sprint | 2008 Summer, 2012 Summer, 2016 Summer | |
| Aaron Cleare | Bahamas | Athletics | 2004 Summer | |
| Bill Cleary | United States | Ice hockey | 1956 Winter, 1960 Winter | |
| Bob Cleary | 1960 Winter | |
| Desmond Cleary | Ireland | Football | 1948 Summer | |
| Jack Cleary | Australia | Rowing | 2020 Summer | |
| Jennifer Cleary | 2016 Summer | |
| Paul Cleary | Athletics | 1996 Summer | |
| Norman Cleaveland | United States | Rugby | 1924 Summer | |
| Nicholas Cleaver | Australia | Freestyle skiing | 1992 Winter, 1994 Winter | |
| Jono Clegg | Great Britain | Rowing | 2016 Summer | |
| Milly Clegg | New Zealand | Football | 2024 Summer | |
| Robin Clegg | Canada | Biathlon | 2002 Winter, 2006 Winter, 2010 Winter | |
| Harold Cleghorn | New Zealand | Weightlifting | 1952 Summer | |
| Síofra Cléirigh Büttner | Ireland | Athletics | 2020 Summer | |
| Alan Cleland | Mexico | Surfing | 2024 Summer | |
| Melinda Cleland | Australia | Artistic gymnastics | 2000 Summer | |
| Tammy Cleland | United States | Artistic swimming | 1996 Summer, 2000 Summer | |
| Tim Cleland | Australia | Water polo | 2012 Summer | |
| François Clémencin | France | Art competitions | 1932 Summer | |
| Tom Clemens | Great Britain | Biathlon | 2006 Winter | |
| Arnaud Clément | France | Tennis | 2000 Summer, 2004 Summer, 2008 Summer | |
| Benoit Clément | Canada | Swimming | 1984 Summer | |
| Doug Clement | Athletics | 1952 Summer, 1956 Summer | |
| Frank Clement | Great Britain | 1976 Summer | |
| Georges Clément | France | 1900 Summer | |
| Inge Clement | Belgium | Judo | 2000 Summer | |
| Kerron Clement | United States | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Stef Clement | Netherlands | Road cycling | 2008 Summer | |
| Susana Clement | Cuba | Athletics | 2008 Summer | |
| Timothée Clément | France | Field hockey | 2024 Summer | |
| Andrea Clemente | Italy | Bobsleigh | 1968 Winter | |
| Carlo Clemente | Athletics | 1924 Summer | |
| Jorge Clemente | Puerto Rico | Boxing | 1968 Summer | |
| Pierantonio Clementi | Italy | Biathlon | 1972 Winter, 1976 Winter | |
| Bertram Clements | Great Britain | Football | 1936 Summer | |
| David Clements | Figure skating | 1960 Winter | |
| Ernie Clements | Road cycling | 1948 Summer | |
| Johan Clementz | Norway | Boxing | 1920 Summer | |
| Ejgil Clemmensen | Denmark | Rowing | 1912 Summer | |
| Christina Clemons | United States | Athletics | 2020 Summer | |
| Kyle Clemons | 2016 Summer | |
| Malcolm Clemons | 2024 Summer | |
| Ray Clemons | Wrestling | 1936 Summer | |
| Matthew Clempner | Great Britain | 1980 Summer | |
| Peter Clentzos | Greece | Athletics | 1932 Summer | |
| Ricardo Cleofas | Philippines | Basketball | 1972 Summer | |
| Damien Cler | France | Rugby sevens | 2016 Summer | |
| Émile Clerc | Rowing | 1956 Summer, 1960 Summer, 1964 Summer | |
| Jean-Louis Clerc | Switzerland | Art competitions | 1936 Summer | |
| Laurent Clerc | Athletics | 1996 Summer, 2000 Summer | |
| Mialitiana Clerc | Madagascar | Alpine skiing | 2018 Winter, 2022 Winter | |
| Philippe Clerc | Switzerland | Athletics | 1972 Summer | |
| Renée Clerc | Alpine skiing | 1948 Winter | |
| Rik Clerckx | Belgium | Athletics | 1964 Summer | |
| Samuel de Clercq | Netherlands | Art competitions | 1924 Summer | |
| Régis Clère | France | Road cycling | 1980 Summer | |
| Olivier Clergeau | Modern pentathlon | 2000 Summer | |
| Pierre Clergerie | Rowing | 1948 Summer | |
| Axel Clerget | Judo | 2020 Summer | |
| Valerio Cleri | Italy | Marathon swimming | 2008 Summer, 2012 Summer | |
| Maurizio Clerici | Rowing | 1956 Summer | |
| Henri Clermont | France | Athletics | 1924 Summer | |
| Gerald Clervil | Haiti | 2000 Summer | |
| Charles Cléry [ Wikidata ] | France | Fencing | 1900 Summer | |
| Urban Cleve | Germany | Athletics | 1952 Summer | |
| Dick Cleveland | United States | Swimming | 1952 Summer | |
| Gary Cleveland | Weightlifting | 1964 Summer | |
| Jonathan Cleveland | Canada | Swimming | 1988 Summer, 1992 Summer, 1996 Summer | |
| William Cleveland | Virgin Islands | 1988 Summer | |
| Claudia Clevenger | United States | 1972 Summer | |
| Jules Clévenot | France | Swimming, Water polo | 1900 Summer | |
| Trévor Clévenot | Volleyball | 2020 Summer, 2024 Summer | |
| Ymkje Clevering | Netherlands | Rowing | 2020 Summer, 2024 Summer | |
| Alf Cleverley | New Zealand | Boxing | 1928 Summer | |
| Daisy Cleverley | Football | 2020 Summer | |
| Tom Cleverley | Great Britain | 2012 Summer | |
| Marcus Cleverly | Denmark | Handball | 2012 Summer | |
| John Clewarth | Great Britain | Road cycling | 1972 Summer | |
| Melanie Clewlow | Field hockey | 2000 Summer, 2008 Summer | |
| Duncan Cleworth | Swimming | 1976 Summer | |
| Charles Clibbon | Athletics | 1920 Summer, 1924 Summer | |
| Leslie Cliff | Figure skating | 1936 Winter | |
| Leslie Cliff | Canada | Swimming | 1972 Summer | |
| Violet Cliff | Great Britain | Figure skating | 1936 Winter | |
| Basil Clifford | Ireland | Athletics | 1964 Summer | |
| Betsy Clifford | Canada | Alpine skiing | 1968 Winter, 1976 Winter | |
| Brian Clifford | Ireland | Swimming | 1972 Summer | |
| Harvey Clifford | Canada | Alpine skiing | 1948 Winter | |
| Henry Clifford | United States | Field hockey | 1956 Summer | |
| Kim Clifford | Australia | Alpine skiing | 1976 Winter | |
| Peter Clifford | Great Britain | Bobsleigh | 1972 Winter | |
| Steven Clifford | Australia | Alpine skiing | 1972 Winter | |
| Adam Clift | Great Britain | Rowing | 1984 Summer, 1988 Summer | |
| John Clift | Shooting | 1924 Summer | |
| Jonathan Clift | Rowing | 1984 Summer | |
| Robert Clift | Field hockey | 1988 Summer, 1992 Summer | |
| Arthur Clifton | Boxing | 1924 Summer | |
| Howard Clifton | United States | Bobsleigh | 1968 Winter | |
| Samalulu Fuatino Te Aho Clifton [ Wikidata ] | Samoa | Canoe sprint | 2024 Summer | |
| Tuva'a Clifton | 2020 Summer, 2024 Summer | |
| Diana Clifton-Peach | Great Britain | Figure skating | 1964 Winter | |
| Marion Clignet | France | Road cycling, Track cycling | 1992 Summer, 1996 Summer, 2000 Summer | |
| Kim Clijsters | Belgium | Tennis | 2012 Summer | |
| Ralph Clilverd | Great Britain | Modern pentathlon | 1912 Summer | |
| Fernando Climent | Spain | Rowing | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Jean-Damien Climonet | France | Freestyle skiing | 1998 Winter | |
| Keita Cline | British Virgin Islands | Athletics | 1996 Summer, 2000 Summer | |
| Mary Clinton | New Zealand | Field hockey | 1984 Summer, 1992 Summer | |
| Pat Clinton | Great Britain | Boxing | 1984 Summer | |
| Helen Clitheroe | Athletics | 2000 Summer, 2008 Summer | |
| Nadège Cliton | France | Swimming | 1996 Summer | |
| Lewis Clive | Great Britain | Rowing | 1932 Summer | |
| Brent Clode | New Zealand | Canoe sprint | 1988 Summer | |
| Melvin Clodfelter | United States | Wrestling | 1932 Summer | |
| Émile Clody | France | 1924 Summer, 1928 Summer | |
| Claud Cloete | South Africa | Modern pentathlon | 1996 Summer | |
| Hestrie Cloete | Athletics | 2000 Summer, 2004 Summer | |
| Edmond Cloetens | Belgium | Archery | 1920 Summer | |
| Mick Clohisey | Ireland | Athletics | 2016 Summer | |
| Hubert Clompe | Romania | Ski jumping | 1936 Winter | |
| Kristina Clonan | Australia | Track cycling | 2024 Summer | |
| Álvaro Clopatofsky | Colombia | Shooting | 1964 Summer | |
| Mario Clopatofsky | 1984 Summer | |
| Imma Clopés | Spain | Athletics | 1996 Summer, 2000 Summer | |
| Frank Close | Great Britain | 1936 Summer | |
| Jade Close | Australia | Field hockey | 2012 Summer | |
| Pete Close | United States | Athletics | 1960 Summer | |
| Roger Closset | France | Fencing | 1956 Summer, 1960 Summer | |
| Catherine Clot [ Wikidata ] | Field hockey | 2024 Summer | |
| José Clot | Spain | Bobsleigh | 1968 Winter | |
| Bob Clotworthy | United States | Diving | 1952 Summer, 1956 Summer | |
| Andrew Clough | Great Britain | Canoe slalom | 1992 Summer | |
| Edward Clough [ Wikidata ] | Artistic gymnastics | 1908 Summer | |
| Iain Clough | Canoe slalom | 1992 Summer | |
| Trevan Clough | Papua New Guinea | Shooting | 1976 Summer, 1984 Summer | |
| Robert Cloughen | United States | Athletics | 1908 Summer | |
| Évelyne Cloupet | France | 1928 Summer | |
| Adolfo Clouthier | Mexico | 1932 Summer | |
| George Cloutier | Canada | Lacrosse | 1904 Summer | |
| Guylaine Cloutier | Swimming | 1988 Summer, 1992 Summer, 1996 Summer | |
| Julie Cloutier | Fencing | 2008 Summer | |
| Milaine Cloutier | Badminton | 2000 Summer | |
| Suzanne Cloutier | Artistic gymnastics | 1968 Summer | |
| Élodie Clouvel | France | Modern pentathlon | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Natalia Clovis | United States | Fencing | 1972 Summer | |
| Winchester Clowes | Great Britain | Motorboating | 1908 Summer | |
| Ian Clubb | Australia | Rowing | 1976 Summer | |
| Joseph Cludts | Belgium | Swimming, Water polo | 1920 Summer, 1924 Summer | |
| Wendy Cluff | United States | Artistic gymnastics | 1968 Summer | |
| James Clugnet | Great Britain | Cross country skiing | 2022 Winter | |
| Julia Clukey | United States | Luge | 2010 Winter | |
| Ian Clyde | Canada | Boxing | 1976 Summer | |
| Bruno De Clynsen | Belgium | Field hockey | 1976 Summer | |
| Lesław Ćmikiewicz | Poland | Football | 1972 Summer, 1976 Summer | |
| Şeref Çınar [ Wikidata ] | Turkey | Cross country skiing | 1968 Winter, 1976 Winter | |
| Birger Cnattingius | Sweden | Fencing | 1908 Summer | |
| Alice Coachman | United States | Athletics | 1948 Summer | |
| Matthew Coad | New Zealand | 1996 Summer | |
| Tess Coady | Australia | Snowboarding | 2022 Winter | |
| Cyril Coaffee | Canada | Athletics | 1920 Summer, 1924 Summer | |
| Allen Coage | United States | Judo | 1976 Summer | |
| Marion Coakes | Great Britain | Equestrian jumping | 1968 Summer | |
| Daniel Coakley | Philippines | Swimming | 2008 Summer | |
| Eugene Coakley | Ireland | Rowing | 2004 Summer | |
| Richard Coakley | 2008 Summer | |
| Ben Coakwell | Canada | Bobsleigh | 2014 Winter, 2018 Winter, 2022 Winter | |
| William Coales | Great Britain | Athletics | 1908 Summer | |
| Pauline Coatanea | France | Handball | 2020 Summer | |
| Roland Coate | United States | Art competitions | 1936 Summer | |
| Charles Coates | Great Britain | Archery | 1908 Summer | |
| Colin Coates | Australia | Speed skating | 1968 Winter, 1972 Winter, 1976 Winter, 1980 Winter, 1984 Winter, 1988 Winter | |
| Dennis Coates | Great Britain | Athletics | 1976 Summer | |
| Diane Coates | 1952 Summer | |
| Georgia Coates | Swimming | 2016 Summer | |
| Joyce Coates | Figure skating | 1956 Winter | |
| Sebastián Coates | Uruguay | Football | 2012 Summer | |
| Beth Coats | United States | Biathlon | 1992 Winter, 1994 Winter | |
| James Coats | Great Britain | Skeleton | 1948 Winter | |
| Mehmet Çoban | Turkey | Wrestling | 1928 Summer, 1936 Summer | |
| Merve Çoban | Karate | 2020 Summer | |
| Elisa Cobañea | Argentina | Athletics | 2000 Summer | |
| Selahattin Çobanoğlu | Turkey | 2004 Summer | |
| Franco Cobas | Spain | Rowing | 1960 Summer | |
| Yariulvis Cobas | Cuba | 2012 Summer, 2024 Summer | |
| Jeff Cobb | Guam | Wrestling | 2004 Summer | |
| Madeleine Cobb | Great Britain | Athletics | 1964 Summer | |
| Richard Cobbing | Freestyle skiing | 1994 Winter | |
| Guilherme Cobbo | Brazil | Athletics | 2012 Summer | |
| Janet Cobbs | United States | Volleyball | 1992 Summer | |
| Brien Cobcroft | Australia | Equestrian eventing | 1964 Summer, 1968 Summer | |
| Annelise Coberger | New Zealand | Alpine skiing | 1992 Winter, 1994 Winter | |
| Miguelina Cobián | Cuba | Athletics | 1964 Summer, 1968 Summer | |
| Michela Cobisi | Italy | Figure skating | 2002 Winter | |
| Donald Cobley | Great Britain | Modern pentathlon | 1956 Summer, 1960 Summer | |
| Ignacio Cobos | Spain | Field hockey | 1984 Summer, 1996 Summer | |
| Emma Coburn | United States | Athletics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Agnese Cocchiere [ Wikidata ] | Italy | Water polo | 2024 Summer | |
| Elisabetta Cocciaretto | Tennis | 2024 Summer | |
| Giovanni Cocco | Weightlifting | 1952 Summer | |
| Costanza Cocconcelli | Swimming | 2024 Summer | |
| Julius Čoček | Czechoslovakia | Equestrian jumping | 1936 Summer | |
| Jean Cochard | France | Athletics | 1964 Summer, 1968 Summer | |
| Jean-Paul Coche | Judo | 1972 Summer, 1976 Summer | |
| Paul Coche | Modern pentathlon | 1928 Summer | |
| Veronica Cochela | Romania | Rowing | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Henri Cochet | France | Tennis | 1924 Summer | |
| Maxim Cochin | Boxing | 1948 Summer | |
| André Cochinal | Diving | 1924 Summer | |
| Hans-Jürgen Cochius | East Germany | Sailing | 1968 Summer | |
| Georges Cochon | France | Boxing | 1920 Summer | |
| Barbara Cochran | United States | Alpine skiing | 1972 Winter | |
| Bob Cochran | 1972 Winter | |
| Commodore Cochran | Athletics | 1924 Summer | |
| Dick Cochran | 1960 Summer | |
| Jimmy Cochran | Alpine skiing | 2006 Winter, 2010 Winter | |
| Lindy Cochran | 1976 Winter | |
| Marilyn Cochran | 1972 Winter | |
| Neil Cochran | Great Britain | Swimming | 1984 Summer, 1988 Summer | |
| Roy Cochran | United States | Athletics | 1948 Summer | |
| Osvaldo Cochrane Filho | Brazil | Water polo | 1964 Summer | |
| Blair Cochrane | Great Britain | Sailing | 1908 Summer | |
| Edith Cochrane | Australia | Canoe sprint | 1956 Summer | |
| Nigel Cochrane | Canada | Sailing | 1988 Summer, 1992 Summer | |
| Ryan Cochrane | Swimming | 2008 Summer, 2012 Summer, 2016 Summer | |
| Ryan Cochrane | Canoe sprint | 2012 Summer, 2016 Summer | |
| Ryan Cochran-Siegle | United States | Alpine skiing | 2018 Winter, 2022 Winter | |
| Alexandru Coci | Romania | Swimming | 2012 Summer | |
| Marius Cocioran | Athletics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Francisc Cociș | Artistic gymnastics | 1952 Summer | |
| Daniela Cociu | Moldova | Canoe sprint | 2020 Summer, 2024 Summer | |
| John Cockbill | Australia | Rowing | 1956 Summer | |
| Karen Cockburn | Canada | Trampolining | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Murray Cockburn | Athletics | 1956 Summer | |
| William Cockburn | Ice hockey | 1932 Winter | |
| Per Cock-Clausen | Denmark | Figure skating | 1948 Winter, 1952 Winter | |
| David Cocker | New Zealand | Fencing | 1984 Summer | |
| Mark Cockerell | United States | Figure skating | 1984 Winter | |
| Ian Cockerline | Canada | Luge | 2006 Winter, 2010 Winter | |
| John Cockett | Great Britain | Field hockey | 1952 Summer, 1956 Summer | |
| Percy Cockings [ Wikidata ] | Wrestling | 1908 Summer, 1912 Summer | |
| Jesse Cockney | Canada | Cross country skiing | 2014 Winter, 2018 Winter | |
| Anna Cockrell | United States | Athletics | 2020 Summer, 2024 Summer | |
| Patricia Cockrem | Australia | Basketball | 1984 Summer | |
| Micaela Cocks | New Zealand | 2008 Summer | |
| Sophie Cocks | Field hockey | 2016 Summer | |
| Arthur Cocksedge | Great Britain | Artistic gymnastics | 1920 Summer | |
| Francisc Cocoș | Romania | Wrestling | 1936 Summer | |
| Roxana Cocoș | Weightlifting | 2008 Summer, 2012 Summer | |
| Samuel Coco-Viloin | France | Athletics | 2008 Summer | |
| Paul Cocuet | Rowing | 1900 Summer | |
| Maria Cocuzza | Italy | Artistic gymnastics | 1988 Summer | |
| Luiz Cocuzzi | Brazil | Cycling mountain bike | 2020 Summer | |
| Andrea Coda | Italy | Football | 2008 Summer | |
| Osvaldo Codaro | Argentina | Water polo | 1948 Summer, 1952 Summer, 1960 Summer | |
| Alice Codato [ Wikidata ] | Italy | Rowing | 2024 Summer | |
| Giovanni Codato [ Wikidata ] | 2024 Summer | |
| Agustín Codera | Spain | Water polo | 1968 Summer | |
| Piero Codia | Italy | Swimming | 2016 Summer | |
| Antonio Codina | Spain | 1964 Summer | |
| Francisco Codina | Field hockey | 1976 Summer | |
| Jesús Codina | Basketball | 1960 Summer, 1968 Summer | |
| Laia Codina | Football | 2024 Summer | |
| Edwin Everett Codman | United States | Art competitions | 1932 Summer | |
| Ilie Codreanu | Romania | Shooting | 1972 Summer | |
| Roman Codreanu | Wrestling | 1976 Summer, 1980 Summer | |
| Giovanni Codrington | Netherlands | Athletics | 2012 Summer, 2016 Summer | |
| Andrew Coe | Canada | Rugby sevens | 2020 Summer | |
| Dan Coe | Romania | Football | 1964 Summer | |
| Des Coe | New Zealand | Shooting | 2000 Summer | |
| Harry Coe | United States | Athletics | 1908 Summer | |
| Sebastian Coe | Great Britain | 1980 Summer, 1984 Summer | |
| Tom Coe | Water polo | 1900 Summer | |
| Wesley Coe | United States | Athletics, Tug of war | 1904 Summer, 1908 Summer | |
| Inge Coeck | Belgium | Canoe sprint | 1988 Summer | |
| Guillaume Coeckelberg | Track cycling | 1908 Summer | |
| Léon Coeckelberg [ Wikidata ] | 1908 Summer | |
| Jonathan Coeffic | France | Rowing | 2004 Summer, 2008 Summer | |
| Aëcio Coelho | Brazil | Modern pentathlon, Equestrian eventing | 1948 Summer | |
| Alberto Coelho | Angola | Boxing | 1980 Summer | |
| Eduarda Coelho | Portugal | Athletics | 1992 Summer, 1996 Summer | |
| Francisco Coelho | Weightlifting | 1984 Summer | |
| Graziane de Jesus Coelho | Brazil | Basketball | 2008 Summer | |
| Ilídio Coelho | Angola | Athletics | 1980 Summer | |
| João Coelho | Portugal | 2024 Summer | |
| Jordan Coelho | France | Swimming | 2016 Summer | |
| Ygor Coelho | Brazil | Badminton | 2016 Summer, 2020 Summer, 2024 Summer | |
| Alfredo Coello | Paraguay | Shooting | 1984 Summer | |
| Gina Coello | Honduras | Athletics | 2000 Summer | |
| Eline Coene | Netherlands | Badminton | 1992 Summer, 1996 Summer | |
| Laura Coenen | United States | Handball | 1988 Summer, 1992 Summer, 1996 Summer | |
| Philippe Coenjaerts | Belgium | Athletics | 1928 Summer | |
| Carl Coerse | Netherlands | Wrestling | 1920 Summer, 1924 Summer | |
| Willem Coertzen | South Africa | Athletics | 2012 Summer, 2016 Summer | |
| Pieter Coetze | Swimming | 2020 Summer, 2024 Summer | |
| Duné Coetzee | 2020 Summer | |
| Jeff Coetzee | Tennis | 2008 Summer | |
| Miranda Coetzee | Athletics | 2024 Summer | |
| Pietie Coetzee | Field hockey | 2000 Summer, 2004 Summer, 2012 Summer | |
| Rivaldo Coetzee | Football | 2016 Summer | |
| Amanda Coetzer | Tennis | 1992 Summer, 1996 Summer, 2000 Summer | |
| Natalie Van Coevorden | Australia | Triathlon | 2024 Summer | |
| Andrzej Cofalik | Poland | Weightlifting | 1992 Summer, 1996 Summer | |
| Sam Coffa | Australia | 1964 Summer | |
| Calvin Coffey | United States | Rowing | 1976 Summer | |
| Leslie Coffey | Australia | Shooting | 1964 Summer | |
| Olivia Coffey | United States | Rowing | 2020 Summer, 2024 Summer | |
| Sam Coffey | Football | 2024 Summer | |
| Ivanon Coffie | Netherlands | Baseball | 2004 Summer | |
| Edmund Coffin | United States | Equestrian eventing | 1976 Summer | |
| Roy Coffin | Field hockey | 1932 Summer | |
| Clyde Coffman | Athletics | 1932 Summer | |
| Joe Cofie | Ghana | Boxing | 1972 Summer | |
| Saúl Cofiño | Spain | Artistic gymnastics | 2000 Summer | |
| Corey Cogdell | United States | Shooting | 2008 Summer, 2012 Summer, 2016 Summer | |
| Joseph Cogels | Belgium | 1920 Summer | |
| Oscar Coggins | Hong Kong | Triathlon | 2020 Summer | |
| Juan Coghen | Spain | Field hockey | 1980 Summer | |
| Mercedes Coghen | 1992 Summer | |
| Eamonn Coghlan | Ireland | Athletics | 1976 Summer, 1980 Summer, 1988 Summer | |
| Peter Coghlan | 2000 Summer | |
| Roxana Cogianu | Romania | Rowing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Ottavio Cogliati | Italy | Road cycling | 1960 Summer | |
| François Cogné | France | Art competitions | 1924 Summer | |
| Robert Cogniaux | Belgium | Archery | 1972 Summer, 1976 Summer, 1980 Summer | |
| Traian Cogut | Romania | Shooting | 1964 Summer | |
| Don Cohan | United States | Sailing | 1972 Summer | |
| Gal Cohen Groumi | Israel | Swimming | 2020 Summer, 2024 Summer | |
| Abram Cohen | United States | Fencing | 1956 Summer | |
| Adva Cohen | Israel | Athletics | 2020 Summer | |
| Avi Cohen | Football | 1976 Summer | |
| Daryl Cohen | Australia | Weightlifting | 1960 Summer | |
| Des Cohen | South Africa | Swimming, Water polo | 1948 Summer, 1952 Summer | |
| Gezi Cohen | Israel | Weightlifting | 1960 Summer | |
| Gil Cohen | Sailing | 2012 Summer, 2016 Summer | |
| Gili Cohen | Judo | 2016 Summer, 2020 Summer | |
| Glen Cohen | Great Britain | Athletics | 1976 Summer, 1980 Summer | |
| Henri Cohen | Belgium | Water polo | 1900 Summer | |
| Herbert Cohen | United States | Fencing | 1964 Summer, 1968 Summer | |
| Irwin Cohen | Judo | 1972 Summer | |
| James Cohen | Great Britain | Athletics | 1928 Summer | |
| Nathan Cohen | New Zealand | Rowing | 2008 Summer, 2012 Summer | |
| Nessa Cohen | United States | Art competitions | 1928 Summer | |
| Richard Cohen | Great Britain | Fencing | 1972 Summer, 1976 Summer, 1984 Summer | |
| Sasha Cohen | United States | Figure skating | 2002 Winter, 2006 Winter | |
| Sión Cóhen | Panama | Wrestling | 1964 Summer | |
| Steve Cohen | United States | Artistic gymnastics | 1968 Summer | |
| Steve Cohen | Judo | 1988 Summer | |
| Teal Cohen [ Wikidata ] | Rowing | 2024 Summer | |
| Tiffany Cohen | Swimming | 1984 Summer | |
| Yoav Cohen | Israel | Sailing | 2020 Summer | |
| Harvey Cohn | United States | Athletics | 1904 Summer, 1908 Summer | |
| Alexander Cohoon | Great Britain | Swimming | 2024 Summer | |
| Robert Cohu | France | Basketball | 1936 Summer | |
| Nicoleta Coica | Moldova | Swimming | 2004 Summer | |
| René Coicaud | France | Fencing | 1956 Summer | |
| Fabrice Coiffic | Mauritius | Athletics | 2012 Summer | |
| Gérard Coignot | France | Swimming | 1956 Summer | |
| Érika Coimbra | Brazil | Volleyball | 2000 Summer, 2004 Summer | |
| Eshyllen Coimbra | Rugby sevens | 2020 Summer | |
| Herlander Coimbra | Angola | Basketball | 1992 Summer, 1996 Summer, 2000 Summer | |
| Gérard Coinçon | France | Football | 1960 Summer | |
| Georges Coindre [ Wikidata ] | Track cycling | 1900 Summer | |
| Eloisa Coiro | Italy | Athletics | 2024 Summer | |
| Octave Coisy | France | Track cycling | 1900 Summer | |
| Danilo Coito | Uruguay | Basketball | 1960 Summer | |
| Cristieana Cojocaru | Romania | Athletics | 1984 Summer | |
| Daniel Cojocaru | 1992 Summer | |
| Doina Cojocaru | Handball | 1976 Summer | |
| Georgeta Cojocaru | Table tennis | 1996 Summer | |
| Lucian Cojocaru | Shooting | 1972 Summer | |
| Denise Cojuangco | Philippines | Equestrian jumping | 1992 Summer, 1996 Summer | |
| Olesea Cojuhari | Moldova | Athletics | 2012 Summer | |
| John Coker | Sierra Leone | Boxing | 1968 Summer | |
| Trevor Coker | New Zealand | Rowing | 1972 Summer, 1976 Summer | |
| Mattia Cola | Italy | Biathlon | 2010 Winter | |
| Philippe Cola | France | Shooting | 1984 Summer, 1988 Summer, 1992 Summer | |
| Massimo Colaci | Italy | Volleyball | 2016 Summer, 2020 Summer | |
| Giuseppe Colacicco | Boxing | 1924 Summer | |
| José Antonio Colado | Spain | Shooting | 2004 Summer | |
| Stefano Colagè | Italy | Road cycling | 1984 Summer | |
| İbrahim Çolak | Turkey | Artistic gymnastics | 2020 Summer, 2024 Summer | |
| LaTasha Colander | United States | Athletics | 2000 Summer, 2004 Summer | |
| Ferdinando Colaninno | Italy | Sailing | 2000 Summer | |
| Henri Colans | Belgium | Weightlifting | 1948 Summer, 1952 Summer | |
| Giuseppe Colantuono | Italy | 1948 Summer | |
| Griffin Colapinto | United States | Surfing | 2024 Summer | |
| Thibault Colard | France | Rowing | 2016 Summer | |
| Mario Colarossi | Italy | Athletics | 1956 Summer | |
| Fabrice Colas | France | Track cycling | 1984 Summer, 1988 Summer | |
| Guilbaut Colas | Freestyle skiing | 2006 Winter, 2010 Winter | |
| Liubal Colás | Cuba | Wrestling | 1996 Summer | |
| Paul Colas | France | Shooting | 1908 Summer, 1912 Summer, 1920 Summer, 1924 Summer | |
| Marius Colau | Football | 1948 Summer | |
| Jean Colbach | Luxembourg | Athletics | 1920 Summer | |
| Daciano Colbachini | Italy | 1912 Summer, 1920 Summer | |
| Walter Colbath | United States | Diving | 1928 Summer | |
| Freya Colbert | Great Britain | Swimming | 2024 Summer | |
| Federico Colbertaldo | Italy | 2008 Summer | |
| Casey Colby | United States | Ski jumping | 1998 Winter | |
| Sonia Colceru | Romania | Volleyball | 1964 Summer | |
| Anne-Marie Colchen | France | Athletics | 1948 Summer | |
| Brendan Cole | Australia | 2012 Summer | |
| Briony Cole | Diving | 2008 Summer | |
| Charlie Cole | United States | Rowing | 2012 Summer, 2016 Summer | |
| Ellie Cole [ Wikidata ] | Australia | Diving | 2024 Summer | |
| Erik Cole | United States | Ice hockey | 2006 Winter | |
| Frank Cole | Great Britain | Basketball | 1948 Summer | |
| Gene Cole | United States | Athletics | 1952 Summer | |
| Israel Cole | Sierra Leone | Boxing | 1984 Summer | |
| Jeremy Cole | Zimbabwe | Shooting | 1980 Summer | |
| Ken Cole | Australia | Basketball | 1964 Summer | |
| Lee Cole | Ireland | Field hockey | 2024 Summer | |
| Lilian Cole | Nigeria | Football | 2008 Summer | |
| Louise Cole | Ireland | Sailing | 1996 Summer | |
| Melanie Cole | Canada | Figure skating | 1988 Winter | |
| Neville Cole | Great Britain | Boxing | 1972 Summer | |
| Roy Cole | Canada | Shooting | 1952 Summer | |
| Stanley Cole | United States | Water polo | 1964 Summer, 1968 Summer, 1972 Summer | |
| Warren Cole | New Zealand | Rowing | 1968 Summer, 1972 Summer | |
| Samson Colebrooke | Bahamas | Athletics | 2020 Summer | |
| Lynn Colella | United States | Swimming | 1972 Summer | |
| Rick Colella | 1972 Summer, 1976 Summer | |
| Aubrey Coleman [ Wikidata ] | Great Britain | Wrestling | 1908 Summer | |
| Christian Coleman | United States | Athletics | 2016 Summer, 2024 Summer | |
| Christopher Coleman | Bobsleigh | 1992 Winter, 1994 Winter | |
| Daniel Coleman | Ghana | Football | 2004 Summer | |
| Eleanor Coleman | United States | Swimming | 1924 Summer | |
| Ellis Coleman | Wrestling | 2012 Summer | |
| George Coleman | Great Britain | Athletics | 1952 Summer, 1956 Summer | |
| Georgia Coleman | United States | Diving | 1928 Summer, 1932 Summer | |
| Glenn Coleman | Art competitions | 1932 Summer | |
| Jacinta Coleman | New Zealand | Road cycling | 2000 Summer | |
| Johannes Coleman | South Africa | Athletics | 1936 Summer, 1948 Summer | |
| Leon Coleman | United States | 1968 Summer | |
| Lionel Coleman | Canada | Road cycling, Track cycling | 1936 Summer | |
| Maria Coleman | Ireland | Sailing | 2000 Summer, 2004 Summer | |
| Mark Coleman | United States | Wrestling | 1992 Summer | |
| Michelle Coleman | Sweden | Swimming | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Nathaniel Coleman | United States | Sport climbing | 2020 Summer | |
| Phil Coleman | Athletics | 1956 Summer, 1960 Summer | |
| Robert Coleman | Great Britain | Sailing | 1920 Summer | |
| William Coleman | United States | Equestrian eventing | 2012 Summer | |
| Zane Coleman | New Zealand | Wrestling | 1984 Summer | |
| Antonius Colenbrander | Netherlands | Equestrian eventing, Equestrian jumping | 1924 Summer, 1928 Summer | |
| Bimbo Coles | United States | Basketball | 1988 Summer | |
| Geoffrey Coles | Great Britain | Shooting | 1908 Summer | |
| Laura Coles | Australia | 2020 Summer | |
| Mildred Coles | Great Britain | Tennis | 1908 Summer | |
| Nicky Coles | New Zealand | Rowing | 2004 Summer, 2008 Summer | |
| Phil Coles | Australia | Canoe sprint | 1960 Summer, 1964 Summer, 1968 Summer | |
| William Coles | Great Britain | Bobsleigh | 1948 Winter | |
| Maggie Coles-Lyster | Canada | Track cycling | 2024 Summer | |
| Chris Coletta | United States | 1992 Summer | |
| Alexandra Coletti | Monaco | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Giovanni Battista Coletti | Italy | Fencing | 1976 Summer | |
| David van der Colff | Botswana | Swimming | 2016 Summer | |
| Peter Colfs | Belgium | Art competitions | 1932 Summer | |
| Carol Colgan | Canada | Rowing | 1984 Summer | |
| Gilbert Colgate | United States | Bobsleigh | 1936 Winter | |
| Steve Colgate | Sailing | 1968 Summer | |
| Nádia Colhado | Brazil | Basketball | 2012 Summer, 2016 Summer | |
| Ion Coliban | Romania | Alpine skiing | 1948 Winter, 1952 Winter | |
| Domingo Colín | Mexico | Athletics | 1976 Summer, 1980 Summer | |
| Gérard Colin | France | Ski jumping | 1980 Winter, 1984 Winter | |
| Kathryn Colin | United States | Canoe sprint | 2000 Summer, 2004 Summer | |
| Luc Colin | France | Cross country skiing | 1968 Winter | |
| Marcelino Colín | Mexico | Athletics | 1984 Summer | |
| Pablo Colín | 1968 Summer | |
| Paul Colin | France | Art competitions | 1948 Summer | |
| Philippe Colin | Canoe sprint | 2008 Summer | |
| Richarno Colin | Mauritius | Boxing | 2008 Summer, 2012 Summer, 2020 Summer | |
| Luis Colina | Colombia | Shooting | 1972 Summer | |
| Verónica Colindres | El Salvador | Athletics | 2008 Summer | |
| Alojz Colja | Yugoslavia | Rowing | 1964 Summer | |
| Meredith Colket | United States | Athletics | 1900 Summer | |
| Carles Coll [ Wikidata ] | Spain | Swimming | 2024 Summer | |
| Cata Coll | Football | 2024 Summer | |
| Leandro Coll | Rowing | 1924 Summer | |
| Mickey Coll | Puerto Rico | Basketball | 1972 Summer | |
| Ángel Colla | Argentina | Track cycling | 1992 Summer, 1996 Summer | |
| Alejandro Colla | Sailing | 2004 Summer | |
| Daniel Colla | Volleyball | 1988 Summer | |
| María Carmen Collado | Spain | Swimming | 2000 Summer | |
| Teresita Collado | Guatemala | Athletics | 2000 Summer, 2004 Summer | |
| Dorian Çollaku | Albania | 2004 Summer, 2008 Summer | |
| Emil Collan | Finland | Shooting | 1912 Summer | |
| Jock Collaquo | Hong Kong | Field hockey | 1964 Summer | |
| Henri Collard | Belgium | Track cycling | 1936 Summer | |
| Jean Collard | Art competitions | 1936 Summer | |
| Maxime Collard | France | Equestrian dressage | 2020 Summer | |
| Michelle Collard | Canada | Biathlon | 1998 Winter | |
| Véronique Collard | Belgium | Athletics | 1992 Summer | |
| Christian Collardot | France | 1960 Summer | |
| Olivier Collarini [ Wikidata ] | Italy | Fencing | 1900 Summer | |
| Jean Collas | France | Rugby, Tug of war | 1900 Summer | |
| Enrique Collazo | Puerto Rico | Boxing | 2012 Summer | |
| Rodolfo Collazo | Uruguay | Rowing | 2004 Summer, 2008 Summer, 2012 Summer | |
| William Collazo | Cuba | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Florence Colle | France | 1988 Summer | |
| Nadir Colledani | Italy | Cycling mountain bike | 2020 Summer | |
| Cecilia Colledge | Great Britain | Figure skating | 1932 Winter, 1936 Winter | |
| Philippe Collet | France | Athletics | 1988 Summer, 1992 Summer | |
| René Collet | Alpine skiing | 1956 Winter | |
| David Collet | Great Britain | Rowing | 1928 Summer | |
| Thibaut Collet | France | Athletics | 2024 Summer | |
| Willy Collet | Belgium | Rowing | 1936 Summer, 1948 Summer | |
| Andrew Collett | Australia | Judo | 2000 Summer, 2004 Summer | |
| Ernie Collett | Canada | Ice hockey | 1924 Winter | |
| Laura Collett | Great Britain | Equestrian eventing | 2020 Summer, 2024 Summer | |
| Wayne Collett | United States | Athletics | 1972 Summer | |
| Tito Collevati | Italy | Artistic gymnastics | 1908 Summer | |
| Jim Colley [ Wikidata ] | Australia | Sailing | 2024 Summer | |
| Robert Colley | New Zealand | Boxing | 1976 Summer | |
| Saruba Colley | The Gambia | Athletics | 2012 Summer | |
| Shay Colley | Canada | Basketball | 2020 Summer, 2024 Summer | |
| Beatrice Colli [ Wikidata ] | Italy | Sport climbing | 2024 Summer | |
| Enrico Colli | Cross country skiing | 1924 Winter | |
| Ilio Colli | Alpine skiing | 1952 Winter | |
| Max Colli | Austria | Rowing | 1936 Summer | |
| Vincenzo Colli | Italy | Cross country skiing | 1924 Winter | |
| Sven Colliander | Sweden | Equestrian eventing, Equestrian dressage | 1928 Summer, 1936 Summer | |
| Renée Colliard | Switzerland | Alpine skiing | 1956 Winter | |
| Roberto Colliard | Mexico | Sailing | 1972 Summer | |
| George Collie | Ireland | Art competitions | 1932 Summer | |
| George Collie | Bahamas | Athletics | 1964 Summer | |
| Latario Collie-Minns | 2016 Summer | |
| Adrian Collier | Great Britain | Canoe sprint | 1988 Summer | |
| Benjamin Collier | New Zealand | Field hockey | 2008 Summer | |
| Dylan Collier | Rugby sevens | 2020 Summer, 2024 Summer | |
| Elise Collier | Australia | Shooting | 2020 Summer | |
| Jeanne Collier | United States | Diving | 1964 Summer | |
| John Collier | Athletics | 1928 Summer | |
| Michael Collier | Sierra Leone | Swimming | 1996 Summer | |
| Napheesa Collier | United States | Basketball | 2020 Summer, 2024 Summer | |
| Raymond Collier | Canada | Rowing | 1988 Summer | |
| Charles Collignon | France | Fencing | 1908 Summer | |
| Jacques Collignon | Swimming | 1956 Summer | |
| Albéric Collin | Belgium | Art competitions | 1920 Summer | |
| André Collin | France | 1912 Summer | |
| Anton Collin | Finland | Road cycling, Cross country skiing | 1924 Summer, 1924 Winter | |
| Gustav Collin [ Wikidata ] | Sweden | Swimming | 1912 Summer | |
| Keith Collin | Great Britain | Diving | 1960 Summer | |
| Philippe Collin | Belgium | Field hockey | 1972 Summer | |
| Romeo Collina | Italy | Water polo | 1980 Summer, 1984 Summer | |
| Andrea Collinelli | Track cycling | 1996 Summer | |
| Belinda Colling | New Zealand | Basketball | 2000 Summer | |
| Wilfried Colling | West Germany | Wrestling | 1988 Summer | |
| Don Collinge | Canada | Fencing | 1936 Summer | |
| Ross Collinge | New Zealand | Rowing | 1968 Summer, 1972 Summer | |
| Raymond Collings | Great Britain | Bobsleigh | 1948 Winter | |
| Maria Consolata Collino | Italy | Fencing | 1972 Summer, 1976 Summer | |
| Chris Collins | Grenada | Boxing | 1984 Summer, 1988 Summer | |
| Christine Collins | United States | Rowing | 2000 Summer | |
| Claire Collins | 2020 Summer, 2024 Summer | |
| Daniel Collins | Australia | Canoe sprint | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Danielle Collins | United States | Tennis | 2024 Summer | |
| David Collins | Rowing | 1996 Summer | |
| Deitre Collins | Volleyball | 1988 Summer | |
| Doug Collins | Basketball | 1972 Summer | |
| Eoin Collins | Ireland | Tennis | 1988 Summer, 1992 Summer | |
| Frank Collins [ Wikidata ] | Great Britain | Diving | 1908 Summer | |
| Gerald Collins | Canada | Boxing | 1956 Summer | |
| Gerard Collins | Ireland | Canoe slalom | 1972 Summer | |
| Henry Collins | Australia | Boxing | 2000 Summer | |
| Ian Collins | Great Britain | Swimming | 1984 Summer | |
| Jackson Collins | Australia | Canoe sprint | 2024 Summer | |
| John Collins | Great Britain | Rowing | 2016 Summer, 2020 Summer | |
| Killian Collins | Ireland | Sailing | 2004 Summer | |
| Kim Collins | Saint Kitts and Nevis | Athletics | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2016 Summer | |
| Melissa Collins | Canada | Water polo | 2000 Summer, 2004 Summer | |
| Michael Collins | Great Britain | Athletics | 1908 Summer | |
| Michelle Collins | United States | 2000 Summer | |
| Paul Collins | Canada | 1952 Summer | |
| Phillip Collins | Ireland | Track cycling | 1996 Summer | |
| Porter Collins | United States | Rowing | 1996 Summer, 2000 Summer | |
| Robert Collins | Great Britain | 1948 Summer | |
| Shane Collins | New Zealand | Field hockey | 1992 Summer | |
| Stef Collins | Great Britain | Basketball | 2012 Summer | |
| Steve Collins | Canada | Ski jumping | 1980 Winter, 1984 Winter, 1988 Winter | |
| Tiarn Collins | New Zealand | Snowboarding | 2022 Winter | |
| Tim Collins | Bermuda | Equestrian eventing | 2004 Summer | |
| William Collins | Canada | Canoe sprint | 1956 Summer | |
| Simone Collio | Italy | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Roger Colliot | France | Football | 1952 Summer | |
| Roland Collombin | Switzerland | Alpine skiing | 1972 Winter | |
| Jonathan Collomb-Patton | France | Snowboarding | 1998 Winter, 2002 Winter | |
| Albert Collon | Belgium | Ice hockey | 1928 Winter | |
| Marie Collonvillé | France | Athletics | 2004 Summer, 2008 Summer | |
| Sebastian Colloredo | Italy | Ski jumping | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Pierre Collura | Finland | Sailing | 2008 Summer | |
| Brian Collyer | Canada | Water polo | 1984 Summer | |
| Tiffany Collymore [ Wikidata ] | Grenada | Swimming | 2024 Summer | |
| Gerry Ó Colmáin | Ireland | Boxing | 1948 Summer | |
| Luis Colman | Uruguay | Rowing | 1968 Summer | |
| Roger Colman | Australia | Sailing | 1988 Summer | |
| Néstor Colmenares | Venezuela | Basketball | 2016 Summer | |
| Pierre Colnard | France | Athletics | 1968 Summer | |
| Nando de Colo | Basketball | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Zeno Colò | Italy | Alpine skiing | 1948 Winter, 1952 Winter | |
| Fabricio Coloccini | Argentina | Football | 2004 Summer | |
| Silvian Colodrovschi [ Wikidata ] | Romania | Water polo | 2024 Summer | |
| Dario Cologna | Switzerland | Cross country skiing | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Gianluca Cologna | 2014 Winter | |
| Carlos Coloma Nicolás | Spain | Cycling mountain bike | 2008 Summer, 2012 Summer, 2016 Summer | |
| Santiago Colombatto | Argentina | Football | 2020 Summer | |
| Alain Colombe | France | Canoe slalom | 1972 Summer | |
| Bruna Colombetti-Peroncini | Italy | Fencing | 1956 Summer, 1960 Summer, 1964 Summer, 1968 Summer | |
| Dario Colombi | Bobsleigh | 1952 Winter | |
| Carlos Colombino | Uruguay | Equestrian jumping | 1960 Summer | |
| Andrea Colombo | Italy | Athletics | 2000 Summer | |
| Angelo Colombo | Football | 1988 Summer | |
| Carlo Colombo | Shooting | 1992 Summer, 1996 Summer | |
| Cesare Colombo | Tennis | 1920 Summer | |
| Charlie Colombo | United States | Football | 1948 Summer, 1952 Summer | |
| Elia Colombo [ Wikidata ] | Switzerland | Sailing | 2024 Summer | |
| Filippo Colombo | Cycling mountain bike | 2020 Summer | |
| Francesco Colombo | Italy | Artistic gymnastics | 1996 Summer | |
| Grazia Colombo | Swimming | 1984 Summer | |
| Jürgen Colombo | West Germany | Track cycling | 1972 Summer | |
| Luca Colombo | Italy | Road cycling | 1992 Summer | |
| Luigi Colombo [ Wikidata ] | Track cycling | 1900 Summer | |
| Marco Colombo | Swimming | 1984 Summer | |
| María Colombo | Argentina | Field hockey | 1988 Summer | |
| Maurizio Colombo | Italy | Track cycling | 1984 Summer | |
| Umberto Colombo | Athletics | 1900 Summer | |
| Lucrezia Colombotto Rosso | Golf | 2020 Summer | |
| Jorge Colome | Cuba | Canoe sprint | 1980 Summer | |
| José Colomer | Spain | Field hockey | 1960 Summer, 1964 Summer, 1968 Summer | |
| Juan Colomer | 1976 Summer | |
| Pascal Colomer | Chile | Shooting | 1996 Summer | |
| Raúl Martínez Colomer | Puerto Rico | Swimming | 2012 Summer | |
| Alejandro Colomino [ Wikidata ] | Argentina | Rowing | 2024 Summer | |
| Anthony Colón | Puerto Rico | Athletics | 1972 Summer, 1976 Summer | |
| Clotilde Colón | Boxing | 1948 Summer | |
| Filiberto Colon | Swimming | 1984 Summer | |
| Gloria Colón | Fencing | 1960 Summer | |
| Jacques Colon | Belgium | Shooting | 1976 Summer | |
| Javier Antonio Colón | Puerto Rico | Basketball | 1992 Summer | |
| José Antonio Colon | Boxing | 1972 Summer | |
| José María Colon | Spain | Canoe sprint | 1968 Summer | |
| Manuel Colón | Handball | 2004 Summer | |
| María Caridad Colón | Cuba | Athletics | 1980 Summer | |
| Pedro Colón | Puerto Rico | Sailing | 2000 Summer | |
| Téofilo Colón | Athletics | 1952 Summer | |
| Victor Colon | Artistic gymnastics | 1992 Summer | |
| Gregorio Colonia | Philippines | Weightlifting | 1988 Summer | |
| Nestor Colonia | 2016 Summer | |
| Pinetta Colonna-Gamero | Italy | Art competitions | 1936 Summer | |
| Carolina Colorado Henao | Colombia | Swimming | 2008 Summer, 2012 Summer | |
| Diego Colorado | Athletics | 2016 Summer | |
| José María Colorado | Spain | Shooting | 1992 Summer | |
| Simon Colosimo | Australia | Football | 2000 Summer | |
| Haydée Coloso-Espino | Philippines | Swimming | 1960 Summer | |
| Slobodanka Čolović | Yugoslavia | Athletics | 1988 Summer | |
| Gustave Colpaert | Belgium | Wrestling | 1928 Summer | |
| Alva Colquhoun | Australia | Swimming | 1960 Summer | |
| Nicolas Colsaerts | Belgium | Golf | 2016 Summer | |
| Marie-Angéline Colson | France | Artistic gymnastics | 1992 Summer | |
| Sam Colson | United States | Athletics | 1976 Summer | |
| George Colțea | Romania | Biathlon | 2022 Winter | |
| Franco Colturi | Italy | Alpine skiing | 1992 Winter | |
| Katia Colturi | Short track speed skating | 1994 Winter, 1998 Winter | |
| Luigi Colturi | Alpine skiing | 1994 Winter | |
| Reinaldo Colucci | Brazil | Triathlon | 2008 Summer, 2012 Summer | |
| Dimitri Colupaev | Germany | Swimming | 2012 Summer | |
| Bill Colvin | Canada | Ice hockey | 1956 Winter | |
| David Colvin | Australia | Rowing | 1992 Summer | |
| Lizzie Colvin | Ireland | Field hockey | 2020 Summer | |
| Rodney Colwell | Canada | Shooting | 1992 Summer | |
| Chris Colwill | United States | Diving | 2008 Summer, 2012 Summer | |
| Claire Colwill | Australia | Field hockey | 2024 Summer | |
| Lansana Coly | Senegal | Judo | 1984 Summer, 1988 Summer | |
| Sharon Colyear | Great Britain | Athletics | 1976 Summer, 1984 Summer | |
| Evelyn Colyer | Tennis | 1924 Summer | |
| Geoffrey Colyer | Canoe sprint | 1952 Summer | |
| Renzo Colzi | France | Track cycling | 1956 Summer | |
| Dragoș Coman | Romania | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Gabriela Coman | Volleyball | 1980 Summer | |
| Ioan Coman | Cross country skiing | 1936 Winter | |
| Jamie Coman | Australia | Equestrian jumping | 2000 Summer | |
| Petre Coman | Romania | Wrestling | 1968 Summer, 1972 Summer, 1976 Summer | |
| Tomas Coman | Ireland | Athletics | 2000 Summer | |
| Gianni Comandini | Italy | Football | 2000 Summer | |
| Nadia Comăneci | Romania | Artistic gymnastics | 1976 Summer, 1980 Summer | |
| Anna Comarella | Italy | Cross country skiing | 2018 Winter, 2022 Winter | |
| Jaume Comas | Spain | Basketball | 2004 Summer | |
| Jorge Comas | Swimming | 1972 Summer, 1976 Summer | |
| Jorge Comas | Argentina | Football | 1988 Summer | |
| Antonio Comaschi | Boxing | 1972 Summer | |
| Rocío Comba | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Oriol Combarros | Spain | Artistic gymnastics | 2004 Summer | |
| Delphine Combe | France | Athletics | 1996 Summer | |
| Sabrina Comberlato | Italy | Softball | 2000 Summer | |
| René Combes | France | Athletics | 1968 Summer | |
| Bernard Combet | Swimming | 1972 Summer | |
| Gianpiero Combi | Italy | Football | 1928 Summer | |
| Sébastien Combot | France | Canoe slalom | 2016 Summer | |
| Steve Combs | United States | Wrestling | 1968 Summer | |
| Anne-Marie Comeau | Canada | Cross country skiing | 2018 Winter | |
| Denzel Comenentia | Netherlands | Athletics | 2024 Summer | |
| Niall Comerford | Ireland | Rugby sevens | 2024 Summer | |
| Gloria Comerma | Spain | Field hockey | 2008 Summer, 2016 Summer | |
| Camila Comin | Brazil | Artistic gymnastics | 2000 Summer, 2004 Summer | |
| Davide Comini [ Wikidata ] | Italy | Rowing | 2024 Summer | |
| Giuseppe Comini | Fencing | 1956 Summer | |
| Guido Cominotto | Athletics | 1924 Summer, 1928 Summer | |
| Eben Comins | United States | Art competitions | 1932 Summer | |
| William Comins | Athletics | 1924 Summer | |
| Olga Commandeur | Netherlands | 1984 Summer | |
| Adam Commens | Australia | Field hockey | 2000 Summer | |
| Drew Commesso | United States | Ice hockey | 2022 Winter | |
| Peter Commette | Sailing | 1976 Summer | |
| Chris Commons | Australia | Athletics | 1976 Summer | |
| Samuela Comola | Italy | Biathlon | 2022 Winter | |
| Adriana Comolli | Argentina | Swimming | 1968 Summer | |
| Jos Compaan | Netherlands | Rowing | 1980 Summer, 1984 Summer, 1988 Summer | |
| Renzo Compagna | Italy | Fencing | 1924 Summer | |
| Kai Compagner | Netherlands | Rowing | 1992 Summer, 1996 Summer | |
| Deborah Compagnoni | Italy | Alpine skiing | 1992 Winter, 1994 Winter, 1998 Winter | |
| Ottavio Compagnoni | Cross country skiing | 1952 Winter, 1956 Winter, 1960 Winter | |
| Severino Compagnoni | 1948 Winter, 1952 Winter | |
| Megan Compain | New Zealand | Basketball | 2000 Summer, 2004 Summer | |
| Aude Compan | France | Sailing | 2016 Summer | |
| Misleydis Compañy | Cuba | Fencing | 2008 Summer | |
| Benjamin Compaoré | France | Athletics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Rob Compas | Netherlands | Road cycling | 1992 Summer | |
| Tom Compernolle | Belgium | Athletics | 2004 Summer | |
| Jesse Compher | United States | Ice hockey | 2022 Winter | |
| Georg Comploi | Italy | 1992 Winter | |
| Cornelis Compter | Netherlands | Weightlifting | 1928 Summer | |
| Caitlin Compton Gregg | United States | Cross country skiing | 2010 Winter | |
| Joseph Compton | Great Britain | Sailing | 1936 Summer | |
| Jorge Comrie | Panama | Judo | 1976 Summer | |
| Blane Comstock | United States | Ice hockey | 1976 Winter | |
| Claudine le Comte | Belgium | Fencing | 1972 Summer, 1976 Summer | |
| Philippe Comtois | Canada | Diving | 1996 Summer, 2004 Summer | |
| Tom Comyns | Ireland | Athletics | 2000 Summer | |
| Brian Conacher | Canada | Ice hockey | 1964 Winter | |
| Georges Conan | France | Road cycling | 1932 Summer | |
| Frederic Conant | United States | Sailing | 1932 Summer | |
| Giuseppe Conca | Italy | Weightlifting | 1924 Summer, 1928 Summer | |
| Valdenice Conceição | Brazil | Canoe sprint | 2024 Summer | |
| Buly Da Conceição Triste | São Tomé and Príncipe | 2016 Summer, 2020 Summer | |
| Cleiton Conceição | Brazil | Boxing | 2000 Summer | |
| Flávio Conceição | Football | 1996 Summer | |
| Hebert Conceição | Boxing | 2020 Summer | |
| Janina Conceição | Volleyball | 2000 Summer | |
| Jean-Jacques Conceição | Angola | Basketball | 1992 Summer | |
| Jhennifer Conceição | Brazil | Swimming | 2016 Summer | |
| José da Conceição | Athletics | 1952 Summer, 1956 Summer, 1960 Summer | |
| Robson Conceição | Boxing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Rosângela Conceição | Wrestling | 2008 Summer | |
| Emerito Concepcion | Philippines | Shooting | 1992 Summer | |
| Janier Concepción | Cuba | Rowing | 2008 Summer | |
| Javier Concepción | Volleyball | 2016 Summer | |
| Juan Gabriel Concepción | Spain | Athletics | 1996 Summer | |
| Lee Concepcion | Philippines | Swimming | 1988 Summer, 1992 Summer | |
| René Concepcion | 1988 Summer | |
| Jesús Conde | Mexico | Weightlifting | 1972 Summer | |
| María Conde | Spain | Basketball | 2020 Summer, 2024 Summer | |
| Martín Conde | Argentina | Beach volleyball | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Ricardo Conde | Spain | Swimming, Water polo | 1952 Summer | |
| Rodrigo Conde | Rowing | 2024 Summer | |
| Sékou Condé | Guinea | Football | 1968 Summer | |
| Francesco Condemi | Italy | Water polo | 2024 Summer | |
| Kyra Condie | United States | Sport climbing | 2020 Summer | |
| George Conditt IV | Puerto Rico | Basketball | 2024 Summer | |
| Allyn Condon | Great Britain | Athletics, Bobsleigh | 2000 Summer, 2010 Winter | |
| David Condon | Field hockey | 2016 Summer | |
| Jack Condon | South Africa | Tennis | 1924 Summer | |
| John Condon | Great Britain | Boxing | 1908 Summer | |
| Javier Condor | Costa Rica | Judo | 1984 Summer | |
| Aurora Condorelli [ Wikidata ] | Italy | Water polo | 2024 Summer | |
| Santo Condorelli | Canada, Italy | Swimming | 2016 Summer, 2020 Summer | |
| Marco Condori | Bolivia | Athletics | 2000 Summer | |
| Ricardo Condori | 1972 Summer | |
| Gheorghe Condovici | Romania | Artistic gymnastics | 1964 Summer | |
| Dominic Condrau [ Wikidata ] | Switzerland | Rowing | 2024 Summer | |
| Carin Cone | United States | Swimming | 1956 Summer | |
| Mac Cone | Canada | Equestrian jumping | 1996 Summer, 2008 Summer | |
| Antonio Conelli | Italy | Swimming | 1928 Summer | |
| Gary Conelly | United States | 1972 Summer | |
| Muriel Coneo | Colombia | Athletics | 2016 Summer | |
| Vincent Confait | Seychelles | 1980 Summer, 1984 Summer | |
| Diego Confalonieri | Italy | Fencing | 2008 Summer | |
| Rick Yves Confiance | Seychelles | Weightlifting | 2016 Summer | |
| Gerardo Conforti | Italy | Equestrian jumping | 1936 Summer, 1948 Summer | |
| Alessandro Conforto | Modern pentathlon | 1996 Summer | |
| Antonella Confortola | Cross country skiing | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter | |
| Silvio Confortola | 1948 Winter | |
| Yuri Confortola | Short track speed skating | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Cong Huanling | China | Rowing | 2004 Summer | |
| Cong Xuedi | Basketball | 1984 Summer, 1988 Summer, 1992 Summer | |
| Cong Yanxia | Handball | 1996 Summer | |
| Cong Yuzhen | Athletics | 1988 Summer | |
| Jack Conger | United States | Swimming | 2016 Summer | |
| Ray Conger | Athletics | 1928 Summer | |
| Pierangelo Congiu | Italy | Canoe sprint | 1972 Summer | |
| Gerlon Congo [ Wikidata ] | Ecuador | Boxing | 2024 Summer | |
| Roy Congreve | Kenya | Shooting | 1956 Summer | |
| Enrique Conill | Cuba | Sailing | 1924 Summer | |
| Jerry Conine | United States | Wrestling | 1964 Summer | |
| Dorian Coninx | France | Triathlon | 2016 Summer, 2020 Summer, 2024 Summer | |
| Maria-Joëlle Conjungo | Central African Republic | Athletics | 2000 Summer, 2004 Summer | |
| Mickaël Conjungo | 1992 Summer, 1996 Summer, 2000 Summer | |
| Burhan Conkeroğlu | Turkey | Wrestling | 1928 Summer | |
| Pearl Conklin | United States | Art competitions | 1932 Summer | |
| Michael Conlan | Ireland | Boxing | 2012 Summer, 2016 Summer | |
| Alyssa Conley | South Africa | Athletics | 2016 Summer | |
| Kim Conley | United States | 2012 Summer, 2016 Summer | |
| Mike Conley Sr. | 1984 Summer, 1992 Summer, 1996 Summer | |
| Phil Conley | 1956 Summer | |
| Paul Conlin | Canada | Ice hockey | 1964 Winter, 1968 Winter | |
| Michelle Conn | Field hockey | 1988 Summer, 1992 Summer | |
| Frank Connah | Great Britain | 1908 Summer | |
| Graeme Connal | Curling | 2010 Winter | |
| Katharine Connal | Athletics | 1936 Summer | |
| Jared Connaughton | Canada | 2008 Summer, 2012 Summer | |
| Flavien Conne | Switzerland | Ice hockey | 2002 Winter, 2006 Winter | |
| Alex Connell | Great Britain | Speed skating | 1956 Winter | |
| Craig Connell | New Zealand | Track cycling | 1988 Summer | |
| Frank Connell | United States | Road cycling | 1932 Summer | |
| Grant Connell | Canada | Tennis | 1988 Summer, 1996 Summer | |
| Ana Paula Henkel | Brazil | Volleyball, Beach volleyball | 1992 Summer, 1996 Summer, 2004 Summer, 2008 Summer | |
| James Connelly | Canada | Ice hockey | 1960 Winter | |
| Kyle Connelly | Luge | 2002 Winter | |
| Tina Connelly | Athletics | 2000 Summer | |
| Bart Conner | United States | Artistic gymnastics | 1976 Summer, 1984 Summer | |
| Dennis Conner | Sailing | 1976 Summer | |
| Frank Conner | Athletics | 1928 Summer, 1932 Summer | |
| Richard Conner | Diving | 1956 Summer | |
| Corey Conners | Canada | Golf | 2020 Summer, 2024 Summer | |
| Paige Conners | Israel | Figure skating | 2018 Winter | |
| Maurice de Conninck | France | Athletics | 1920 Summer, 1924 Summer | |
| Breege Connolly | Ireland | 2016 Summer | |
| David Connolly | Skeleton | 2006 Winter | |
| Ella Connolly | Australia | Athletics | 2024 Summer | |
| Erika Connolly | United States | Swimming | 2020 Summer, 2024 Summer | |
| Garrett Connolly | Ireland | Sailing | 1996 Summer | |
| Hal Connolly | United States | Athletics | 1956 Summer, 1960 Summer, 1964 Summer, 1968 Summer | |
| James Connolly | 1920 Summer, 1924 Summer | |
| James Brendan Connolly | 1896 Summer, 1900 Summer | |
| Lanihei Connolly | Cook Islands | Swimming | 2024 Summer | |
| Linda Connolly | Great Britain | Figure skating | 1972 Winter | |
| Thomas F. Connolly | United States | Artistic gymnastics | 1932 Summer | |
| Diana Connolly-Carew [ Wikidata ] | Ireland | Equestrian jumping | 1968 Summer | |
| Abbey Connor [ Wikidata ] | Australia | Swimming | 2024 Summer | |
| Ben Connor | Great Britain | Athletics | 2020 Summer | |
| David Connor | Australia | Sailing | 1988 Summer | |
| Isabelle Connor | United States | Rhythmic gymnastics | 2020 Summer | |
| James Connor | Australia | Diving | 2012 Summer, 2016 Summer | |
| John Connor | Canada | Football | 1976 Summer | |
| Keith Connor | Great Britain | Athletics | 1980 Summer, 1984 Summer | |
| Maggie Connor | United States | Freestyle skiing | 1992 Winter | |
| Peter Connor | Ireland | Canoe sprint | 1988 Summer | |
| Shaun Connor [ Wikidata ] | Australia | Sailing | 2024 Summer | |
| William Connor | Great Britain | Artistic gymnastics | 1900 Summer | |
| Clive Conolly | Zimbabwe | Shooting | 1984 Summer | |
| Mark Conover | United States | Athletics | 1988 Summer | |
| Sheila Conover | Canoe sprint | 1984 Summer, 1988 Summer, 1992 Summer | |
| Alberto Conrad | Bolivia | Swimming | 1936 Summer | |
| Christian Conrad | Switzerland | Ice hockey | 1956 Winter | |
| Franz Conrad | Luxembourg | Weightlifting | 1936 Summer | |
| Lars Conrad | Germany | Swimming | 2000 Summer, 2004 Summer | |
| Reinaldo Conrad | Brazil | Sailing | 1960 Summer, 1968 Summer, 1972 Summer, 1976 Summer, 1980 Summer | |
| Sam Conrad | Australia | Rowing | 2008 Summer | |
| Sarah Conrad | Canada | Snowboarding | 2006 Winter, 2010 Winter | |
| Tim Conrad | Australia | Rowing | 1976 Summer | |
| André Conrardy | Luxembourg | Canoe sprint | 1960 Summer | |
| Joseph Conrardy | Belgium | Art competitions | 1932 Summer | |
| Jean-Marie Conrath | France | Athletics | 1976 Summer | |
| Georges Conraux | Fencing | 1924 Summer | |
| Anthony Conroy | United States | Ice hockey | 1920 Summer | |
| Craig Conroy | 2006 Winter | |
| James Conroy | Ireland | Archery | 1976 Summer, 1980 Summer | |
| John Conroy | Great Britain | Field hockey | 1952 Summer, 1956 Summer | |
| Jordan Conroy | Ireland | Rugby sevens | 2020 Summer, 2024 Summer | |
| Andrea Consigli | Italy | Football | 2008 Summer | |
| Manuel Consiglieri | Peru | Athletics | 1948 Summer | |
| Douglas Consiglio | Canada | 1988 Summer | |
| Rosaria Console | Italy | 2004 Summer, 2012 Summer | |
| Adolfo Consolini | 1948 Summer, 1952 Summer, 1956 Summer, 1960 Summer | |
| Chiara Consolini | 3x3 basketball | 2020 Summer | |
| Chiara Consonni | Track cycling | 2024 Summer | |
| Luigi Consonni | 1932 Summer | |
| Simone Consonni | 2016 Summer, 2020 Summer, 2024 Summer | |
| George Constable | Great Britain | Athletics | 1928 Summer | |
| Patrick Constable [ Wikidata ] | Australia | Track cycling | 2016 Summer | |
| Christos Constandinidis | Greece | Weightlifting | 1988 Summer | |
| Frank Constandse | Netherlands | Volleyball | 1964 Summer | |
| Michel Constandt | Belgium | Fencing | 1968 Summer | |
| Eugène Constant | France | Rowing | 1924 Summer | |
| Louis Constant [ Wikidata ] | Boxing | 1908 Summer | |
| Nicolas Constant | Artistic gymnastics | 1908 Summer | |
| Constantin von Liechtenstein | Liechtenstein | Alpine skiing | 1948 Winter | |
| Agafia Constantin | Romania | Canoe sprint | 1976 Summer, 1980 Summer, 1984 Summer | |
| Denis Constantin | Mauritius | Badminton | 2000 Summer | |
| Gheorghe Constantin | Romania | Football | 1964 Summer | |
| Ion Constantin | Equestrian jumping | 1952 Summer | |
| Ionel Constantin | Canoe sprint | 1984 Summer | |
| Maria Constantin | Bobsleigh | 2014 Winter, 2018 Winter | |
| Maria Constantin | Alpine skiing | 2022 Winter | |
| Mariana Constantin | Artistic gymnastics | 1976 Summer | |
| Marioara Constantin | Rowing | 1976 Summer | |
| Constantine II of Greece | Greece | Sailing | 1960 Summer | |
| Kyra Constantine | Canada | Athletics | 2020 Summer, 2024 Summer | |
| Maria Constantinescu | Romania | Rowing | 1980 Summer | |
| Gerardo Constantini | Argentina | 1976 Summer | |
| Stefania Constantini | Italy | Curling | 2022 Winter | |
| Gheorghe Constantinide | Romania | Basketball | 1952 Summer | |
| Claude Constantino | Senegal | 1968 Summer | |
| Gabriel Constantino | Brazil | Athletics | 2020 Summer | |
| Valerie Constien | United States | 2020 Summer, 2024 Summer | |
| Pedro Consuegra | Argentina | Water polo | 1960 Summer | |
| Alberto Contador | Spain | Road cycling | 2008 Summer | |
| Victor Contador | Chile | Equestrian jumping | 1984 Summer | |
| Louise Contamine | Belgium | Figure skating | 1936 Winter | |
| Leopoldo Contarbio | Argentina | Basketball | 1948 Summer, 1952 Summer | |
| Rosanna Contardo [ Wikidata ] | Italy | Swimming | 1960 Summer | |
| Paolo Conte Bonin | 2024 Summer | |
| Aïssata Denn Conte | Guinea | Athletics | 2020 Summer | |
| Antonio Conte | Italy | Fencing | 1900 Summer | |
| Facundo Conte | Argentina | Volleyball | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Hugo Conte | 1984 Summer, 1988 Summer, 2000 Summer | |
| Javier Conte | Sailing | 2000 Summer, 2004 Summer, 2008 Summer | |
| Margarida Conte | Brazil | Handball | 2000 Summer | |
| Nicolas Conte | France | Snowboarding | 1998 Winter | |
| Yvonne Conte | Fencing | 1924 Summer | |
| Enzo Contegno | Italy | Shooting | 1976 Summer | |
| Laura Conter | Diving | 1960 Summer | |
| Bill Conterio | United States | Football | 1956 Summer | |
| Luigi Contessi [ Wikidata ] | Italy | Artistic gymnastics | 1920 Summer | |
| Samuel Contesti | Figure skating | 2010 Winter | |
| Alberto Coletti Conti | Shooting | 1924 Summer | |
| Francesca Conti | Water polo | 2004 Summer | |
| Giacomo Conti | Bobsleigh | 1956 Winter | |
| Giovanni Conti [ Wikidata ] | San Marino | Sailing | 1988 Summer | |
| Giulia Conti | Italy | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Leopoldo Conti | Football | 1924 Summer | |
| Luigi Conti | Athletics | 1960 Summer | |
| Tino Conti | Road cycling | 1968 Summer | |
| Pier Angelo Conti Manzini | Rowing | 1968 Summer, 1972 Summer | |
| Alexis Contin | France | Speed skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Kamil Čontofalský | Slovakia | Football | 2000 Summer | |
| Andrei Contolenco | Romania | Canoe sprint | 1968 Summer | |
| Adolfo Contoli | Italy | Athletics | 1924 Summer | |
| Attilio Conton | 1928 Summer | |
| Theresa Contos | United States | Handball | 1984 Summer | |
| Soli Contractor | India | Sailing | 1972 Summer | |
| Altagracia Contreras | Dominican Republic | Judo | 1992 Summer | |
| Benito Contreras | Mexico | Football | 1928 Summer | |
| Dalia Contreras | Venezuela | Taekwondo | 2004 Summer, 2008 Summer | |
| Edgar Contreras | 2016 Summer | |
| Edickson Contreras | Diving | 2012 Summer | |
| Ernesto Contreras | Argentina | Track cycling, Road cycling | 1960 Summer, 1964 Summer, 1968 Summer | |
| Francisco Contreras | Mexico | Athletics | 1924 Summer | |
| Humberto Contreras | Chile | Football | 1928 Summer | |
| Isabel Contreras | Spain | Canoe sprint | 2020 Summer | |
| Jorge Contreras | Chile | Rowing | 1956 Summer | |
| José Contreras | Cuba | Baseball | 1996 Summer, 2000 Summer | |
| Leonel Contreras | Chile | Football | 1984 Summer | |
| Luis Contreras | Venezuela | Boxing | 1972 Summer | |
| Mario Wilfredo Contreras | El Salvador | Road cycling | 2008 Summer | |
| Nancy Contreras | Mexico | Track cycling | 1996 Summer, 2004 Summer | |
| Pablo Contreras | Chile | Football | 2000 Summer | |
| Ponciano Contreras | Mexico | Wrestling | 1968 Summer | |
| Verónica Contreras [ Wikidata ] | Peru | Volleyball | 1996 Summer | |
| Víctor Contreras | Mexico | Field hockey | 1972 Summer | |
| Víctor Contreras | Chile | Rowing | 1984 Summer | |
| Yeny Contreras | Taekwondo | 2012 Summer | |
| Yidiel Contreras | Spain | Athletics | 2016 Summer | |
| Yuderqui Contreras | Dominican Republic | Weightlifting | 2008 Summer, 2012 Summer, 2016 Summer | |
| Gianfranco Contri | Italy | Road cycling | 1992 Summer | |
| Paride Contri [ Wikidata ] | Art competitions | 1936 Summer | |
| Arturo Conturbia | Switzerland | Athletics | 1928 Summer | |
| Alain Convard | France | Archery | 1972 Summer | |
| Walter Convents | West Germany | Fencing | 1972 Summer | |
| Casey Converse | United States | Swimming | 1976 Summer | |
| Paul Convert [ Wikidata ] | Belgium | Equestrian jumping, Equestrian eventing | 1912 Summer | |
| Aileen Convery | Ireland | Swimming | 1988 Summer | |
| Pat Convery | Water polo | 1924 Summer | |
| Ab Conway | Canada | Athletics | 1936 Summer | |
| Hollis Conway | United States | 1988 Summer, 1992 Summer | |
| Jerome Conway | Canada | Sailing | 1960 Summer | |
| Joanne Conway | Great Britain | Figure skating | 1988 Winter, 1992 Winter | |
| Michael Conway | Canada | Rowing | 1972 Summer | |
| Michelle Conway | Artistic gymnastics | 2000 Summer | |
| Patricia Conway | Great Britain | Archery | 1976 Summer | |
| Phil Conway | Ireland | Athletics | 1972 Summer | |
| Sally Conway | Great Britain | Judo | 2012 Summer, 2016 Summer | |
| Charles Conwell | United States | Boxing | 2016 Summer | |
| Magdy Conyd | Canada | Fencing | 1968 Summer, 1972 Summer | |
| Abraham Conyedo | Italy | Wrestling | 2020 Summer | |
| Ed Coode | Great Britain | Rowing | 2000 Summer, 2004 Summer | |
| Gwynneth Coogan | United States | Athletics | 1992 Summer | |
| Mark Coogan | 1996 Summer | |
| Aaron Cook | Great Britain, Moldova | Taekwondo | 2008 Summer, 2016 Summer | |
| Alice Cook | United States | Figure skating | 1976 Winter | |
| Annelies Cook | Biathlon | 2014 Winter | |
| Arthur Cook | Shooting | 1948 Summer | |
| Bjørn Cook | Norway | Wrestling | 1948 Summer | |
| Chris Cook | Great Britain | Swimming | 2004 Summer, 2008 Summer | |
| Chris Cook | United States | Cross country skiing | 2006 Winter | |
| Chris Cook | Canada | Sailing | 2008 Summer | |
| Christine Cook | Great Britain | Field hockey | 1996 Summer | |
| David Cook | Road cycling | 1992 Summer | |
| Dustin Cook | Canada | Alpine skiing | 2018 Winter | |
| Edward Cook | United States | Athletics | 1908 Summer | |
| Elwood Cook | Football | 1952 Summer | |
| Emily Cook | Freestyle skiing | 2006 Winter, 2010 Winter, 2014 Winter | |
| Eric Cook | South Africa | Sailing | 1992 Summer | |
| Garry Cook | Great Britain | Athletics | 1984 Summer | |
| Gordon Cook | Canada | Sailing | 2008 Summer, 2012 Summer | |
| Jacqui Cook | Rowing | 2004 Summer | |
| James Cook | Australia | Sailing | 1984 Summer | |
| Jason Cook [ Wikidata ] | South Africa | Baseball | 2000 Summer | |
| Joseph Cook [ Wikidata ] | Great Britain | Artistic gymnastics | 1908 Summer | |
| Julie Cook | Field hockey | 1988 Summer | |
| Karl Cook | United States | Equestrian jumping | 2024 Summer | |
| Kassidy Cook | Diving | 2016 Summer, 2024 Summer | |
| Kristina Cook | Great Britain | Equestrian eventing | 2008 Summer, 2012 Summer | |
| Leonard Cook | Australia | Boxing | 1936 Summer | |
| Myrtle Cook | Canada | Athletics | 1928 Summer | |
| Natalie Cook | Australia | Beach volleyball | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Oliver Cook | Great Britain | Rowing | 2020 Summer | |
| Robert Cook | Wrestling | 1928 Summer | |
| Robert Cook | Bermuda | Swimming | 1948 Summer, 1952 Summer | |
| Sarah Cook | Australia | Rowing | 2008 Summer, 2012 Summer | |
| Stacey Cook | United States | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter | |
| Steph Cook | Great Britain | Modern pentathlon | 2000 Summer | |
| Summer Rappaport | United States | Triathlon | 2020 Summer | |
| Tamsin Cook | Australia | Swimming | 2016 Summer, 2020 Summer | |
| Theodore Andrea Cook | Great Britain | Art competitions | 1920 Summer | |
| Tony Cook | Australia | Athletics | 1964 Summer | |
| Alan Cooke | Great Britain | Table tennis | 1988 Summer, 1992 Summer | |
| Aoife Cooke | Ireland | Athletics | 2020 Summer | |
| Arnold Cooke | Great Britain | Rowing | 1964 Summer | |
| Baden Cooke | Australia | Road cycling | 2004 Summer | |
| Carl Cooke | United States | Athletics | 1912 Summer | |
| Cecil Cooke | Bahamas | Sailing | 1964 Summer | |
| Edward Cooke | Australasia | Swimming | 1908 Summer | |
| Emma Cooke | United States | Archery | 1904 Summer | |
| Geoff Cooke | Great Britain | Track cycling | 1972 Summer | |
| George Edwin Cooke | United States | Football | 1904 Summer | |
| George Cooke | New Zealand | Rowing | 1932 Summer | |
| John Solomon | 1932 Summer | |
| Gillian Cooke | Great Britain | Bobsleigh | 2010 Winter | |
| Harold Cooke | Field hockey | 1920 Summer | |
| Harold Cooke | Fencing | 1948 Summer, 1952 Summer | |
| Ian Cooke | Australia | Field hockey | 1976 Summer | |
| James Cooke | Singapore | Sailing | 1960 Summer | |
| James Cooke | Great Britain | Modern pentathlon | 2016 Summer, 2020 Summer | |
| John Cooke | United States | Rowing | 1956 Summer | |
| John Cooke | Great Britain | Shooting | 1972 Summer, 1976 Summer, 1984 Summer | |
| Nicole Cooke | Road cycling | 2004 Summer, 2008 Summer, 2012 Summer | |
| Peter Cooke | Kenya | Sailing | 1964 Summer | |
| Rebecca Cooke | Great Britain | Swimming | 2000 Summer, 2004 Summer | |
| Rohan Cooke | New Zealand | Sailing | 1996 Summer | |
| Shaun Cooke | South Africa | Field hockey | 1996 Summer | |
| Simon Cooke | New Zealand | Sailing | 2000 Summer | |
| Thomas Cooke | United States | Football | 1904 Summer | |
| John Cookman | Ice hockey | 1932 Winter | |
| Tepaea Cook-Savage | New Zealand | Rugby sevens | 2024 Summer | |
| Poppy Cooksey | Great Britain | Fencing | 1964 Summer, 1968 Summer, 1972 Summer | |
| Frans Cools | Belgium | Track cycling | 1936 Summer | |
| Jan Cools | Wrestling | 1948 Summer, 1952 Summer | |
| Samantha Cools | Canada | Cycling BMX racing | 2008 Summer | |
| Reid Coolsaet | Athletics | 2012 Summer, 2016 Summer | |
| Nelli Cooman | Netherlands | 1988 Summer, 1992 Summer | |
| Hubert Coomans [ Wikidata ] | Belgium | Canoe sprint | 1948 Summer | |
| Maurice Coomarawel | Sri Lanka | Road cycling | 1960 Summer | |
| Alex Coomber | Great Britain | Skeleton | 2002 Winter | |
| Margaret Coomber | Athletics | 1972 Summer | |
| Alec Coombes | Rugby sevens | 2020 Summer | |
| Heather Coombridge | New Zealand | Swimming | 1972 Summer | |
| Eswort Coombs | Saint Vincent and the Grenadines | Athletics | 1992 Summer, 1996 Summer | |
| Joseph Coombs | Trinidad and Tobago | 1976 Summer, 1980 Summer | |
| Simon Coombs | Australia | Swimming | 1996 Summer | |
| Sven Coomer | Modern pentathlon | 1956 Summer | |
| Penny Coomes | Great Britain | Figure skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Adam Coon | United States | Wrestling | 2024 Summer | |
| John Coon | Australia | Sailing | 1960 Summer, 1964 Summer | |
| Coone [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Aisling Cooney | Ireland | Swimming | 2008 Summer | |
| Nick Cooney | Shooting | 1980 Summer | |
| Kyra Cooney-Cross | Australia | Football | 2020 Summer, 2024 Summer | |
| Daily Cooper Gaspar | Cuba | Athletics | 2024 Summer | |
| Abbey Cooper | United States | 2016 Summer | |
| Albert Cooper | Football | 1928 Summer | |
| Alex Cooper [ Wikidata ] | Bermuda | Sailing | 1972 Summer | |
| Alfred Egerton Cooper | Great Britain | Art competitions | 1948 Summer | |
| Andrew Cooper | Australia | Rowing | 1988 Summer, 1992 Summer | |
| Anton Cooper | New Zealand | Cycling mountain bike | 2020 Summer | |
| Arthur Cooper | Trinidad and Tobago | Athletics | 1972 Summer | |
| Audrey Cooper | Great Britain | Beach volleyball | 1996 Summer | |
| Brad Cooper | Australia | Swimming | 1972 Summer | |
| Bradley Cooper | Bahamas | Athletics | 1984 Summer, 1988 Summer | |
| Brent Cooper | New Zealand | Judo | 1988 Summer | |
| Brian Cooper | United States | Ice hockey | 2022 Winter | |
| Charlotte Cooper | Great Britain | Tennis | 1900 Summer | |
| Christin Cooper | United States | Alpine skiing | 1980 Winter, 1984 Winter | |
| Craig Cooper | New Zealand | Badminton | 2008 Summer | |
| David Cooper | Australia | Equestrian jumping | 1996 Summer | |
| Denise Cooper | Canoe sprint | 1992 Summer | |
| Donald Cooper | New Zealand | 1972 Summer, 1976 Summer | |
| Edmund Cooper | Bermuda | Swimming | 1936 Summer | |
| Fred Cooper | Great Britain | Shooting | 1956 Summer | |
| Graham Cooper | Rowing | 1960 Summer | |
| Hannah Cooper | Liberia | Athletics | 2000 Summer | |
| Henry Cooper | Great Britain | Boxing | 1952 Summer | |
| Henry C. Cooper | Australia | 1936 Summer | |
| Isaac Cooper | Swimming | 2020 Summer, 2024 Summer | |
| Jacqui Cooper | Freestyle skiing | 1994 Winter, 1998 Winter, 2006 Winter, 2010 Winter | |
| Janice Cooper | Athletics | 1956 Summer | |
| John Cooper | Great Britain | 1964 Summer, 1968 Summer | |
| Joyce Cooper | Swimming | 1928 Summer, 1932 Summer | |
| Kim Cooper | Australia | Softball | 1996 Summer | |
| Kirk Cooper | Bermuda | Sailing | 1964 Summer, 1968 Summer, 1972 Summer | |
| Linda Cooper | United States | Diving | 1964 Summer | |
| Lynette Cooper | Rhodesia | Swimming | 1960 Summer | |
| Malcolm Cooper | Great Britain | Shooting | 1972 Summer, 1976 Summer, 1984 Summer, 1988 Summer | |
| Matthew Cooper | Rowing | 1968 Summer, 1972 Summer | |
| Melody Cooper | New Zealand | Field hockey | 2012 Summer | |
| Paul Cooper | Hong Kong | Sailing | 1964 Summer, 1968 Summer | |
| Ramone Cooper | Australia | Freestyle skiing | 2010 Winter | |
| Ron Cooper | Great Britain | Boxing | 1948 Summer | |
| Sapphire Cooper | New Zealand | Field hockey | 1992 Summer | |
| Sarah Cooper | Great Britain | Shooting | 1984 Summer, 1988 Summer | |
| Sayon Cooper | Liberia | Athletics | 1996 Summer, 2000 Summer | |
| Susan Cooper | Great Britain | Swimming | 1980 Summer | |
| Theron Cooper | Bahamas | Athletics | 1996 Summer | |
| Todd Cooper | Great Britain | Swimming | 2004 Summer, 2008 Summer | |
| William Cooper | United States | Sailing | 1932 Summer | |
| Cynthia Cooper-Dyke | Basketball | 1988 Summer, 1992 Summer | |
| Ralph Cooperman | Great Britain | Fencing | 1956 Summer, 1960 Summer, 1964 Summer | |
| Anuradha Cooray | Sri Lanka | Athletics | 2004 Summer, 2012 Summer, 2016 Summer | |
| Henri Coosemans | Belgium | Basketball | 1948 Summer, 1952 Summer | |
| Kevin Coote | Australia | Wrestling | 1952 Summer, 1956 Summer | |
| Augustus Cootmans | Belgium | Artistic gymnastics | 1920 Summer | |
| Franci Čop | Yugoslavia | Alpine skiing | 1936 Winter, 1948 Winter | |
| Iztok Čop | Slovenia | Rowing | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Milan Čop | Yugoslavia | Football | 1964 Summer | |
| Eileen Coparropa | Panama | Swimming | 1996 Summer, 2000 Summer, 2004 Summer | |
| Haley Cope | United States | 2004 Summer | |
| Karen Cope | Costa Rica | Beach volleyball | 2016 Summer | |
| Bill Copeland | Canada | Sailing | 1952 Summer | |
| Dirk Copeland | United States | Track cycling | 1992 Summer, 1996 Summer | |
| Jim Copeland | Road cycling | 1988 Summer | |
| Katherine Copeland | Great Britain | Rowing | 2012 Summer, 2016 Summer | |
| Leslie Copeland | Fiji | Athletics | 2012 Summer, 2016 Summer | |
| Lillian Copeland | United States | 1928 Summer, 1932 Summer | |
| Alexis Copello | Cuba | 2008 Summer, 2012 Summer | |
| Alfredo Copello | Argentina | Boxing | 1924 Summer | |
| Yasmani Copello | Turkey | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Elizabeth Copes | Argentina | Judo | 2004 Summer | |
| Tomaž Čopi | Slovenia | Sailing | 1996 Summer, 2000 Summer, 2004 Summer | |
| Mirosław Copija | Poland | Ice hockey | 1988 Winter | |
| Pierre-Yves Copin | France | Swimming | 1972 Summer | |
| James Copley | United States | Bobsleigh | 1972 Winter | |
| John Copley | Great Britain | Art competitions | 1948 Summer | |
| Melinda Copp | Canada | Swimming | 1984 Summer | |
| Stephen Copp | Sweden | Snowboarding | 1998 Winter, 2002 Winter | |
| Luigi Coppa | Italy | Artistic gymnastics | 1972 Summer | |
| Robert Coppée | Belgium | Football | 1920 Summer, 1924 Summer | |
| Paul Coppejans | Athletics | 1964 Summer | |
| Harry Coppell | Great Britain | 2020 Summer | |
| Kahleah Copper | United States | Basketball | 2024 Summer | |
| Emil Coppetti | Switzerland | Bobsleigh | 1928 Winter | |
| Erica Coppey | Belgium | Field hockey | 2012 Summer | |
| Pierre Coppieters | Swimming, Water polo | 1928 Summer, 1936 Summer | |
| Marcel Coppin | Luxembourg | Artistic gymnastics | 1952 Summer, 1960 Summer | |
| Walter Coppins | Australia | Track cycling | 1924 Summer | |
| Paul Coppo | United States | Ice hockey | 1964 Winter | |
| Susana Coppo | Argentina | Swimming | 1976 Summer | |
| Steven Coppola | United States | Rowing | 2008 Summer | |
| Andrea Coppolino | Italy | Artistic gymnastics | 2008 Summer | |
| Henri Copponex | Switzerland | Sailing | 1948 Summer, 1952 Summer, 1960 Summer | |
| Clara Copponi | France | Track cycling | 2020 Summer, 2024 Summer | |
| Paul Copu | Romania | Athletics | 1980 Summer | |
| Bryan Coquard | France | Track cycling | 2012 Summer | |
| Henri Coquelin [ Wikidata ] | Fencing | 1900 Summer | |
| Andre Jin Coquillard | South Korea | Rugby sevens | 2020 Summer | |
| Luis Coquis | Peru | Shooting | 1956 Summer | |
|