| Name | Nation | Sport | Games | Notes |
|---|
| Liliana Cá | Portugal | Athletics | 2020 Summer, 2024 Summer | |
| Mats Caap | Sweden | Sailing | 1988 Summer | |
| Ferenc Čaba | Yugoslavia | Wrestling | 1980 Summer | |
| Eloisa Cabada | Mexico | Volleyball | 1968 Summer | |
| Juan Sebastián Cabal | Colombia | Tennis | 2012 Summer, 2016 Summer, 2020 Summer | |
| Raymond Cabal [ Wikidata ] | France | Wrestling | 1912 Summer | |
| Roberto Cabalisti [ Wikidata ] | Italy | Baseball | 1996 Summer, 2000 Summer | |
| Francisco Caballer | Spain | Field hockey | 1960 Summer | |
| Ademar Caballero | Brazil | Swimming | 1936 Summer | |
| Antonio Caballero | Spain | Boxing | 1988 Summer | |
| Carlos Caballero | Colombia | Weightlifting | 1956 Summer, 1960 Summer | |
| Dailis Caballero | Cuba | Athletics | 2012 Summer | |
| Denia Caballero | 2012 Summer, 2016 Summer, 2020 Summer | |
| Eunice Caballero | Shooting | 2000 Summer | |
| Gustavo Caballero | Paraguay | Football | 2024 Summer | |
| José Luis Caballero | Mexico | 1976 Summer | |
| Juan Caballero | Cuba | Field hockey | 1980 Summer | |
| Mauro Caballero | Paraguay | Football | 1992 Summer | |
| Melissa Caballero | Spain | Swimming | 2004 Summer | |
| Samuel Caballero | Honduras | Football | 2008 Summer | |
| Victor Caballero | Paraguay | Tennis | 1988 Summer | |
| Yolanda Caballero | Colombia | Athletics | 2012 Summer | |
| Claudio Cabán | Puerto Rico | 1984 Summer | |
| Cristina Cabaña | Spain | Judo | 2020 Summer, 2024 Summer | |
| Cabanac [ Wikidata ] | France | Equestrian vaulting | 1920 Summer | |
| Francisco Cabañas | Mexico | Boxing | 1932 Summer | |
| Javier Cabanas | Spain | Handball | 1984 Summer, 1988 Summer, 1992 Summer | |
| Sergi Cabanas | Water polo | 2024 Summer | |
| Laura Cabanes | Swimming | 2024 Summer | |
| John Cabang | Philippines | Athletics | 2024 Summer | |
| José María Cabanillas | Spain | Equestrian eventing | 1928 Summer | |
| Nuria Cabanillas | Rhythmic gymnastics | 1996 Summer | |
| Bernard Cabanis | France | Ice hockey | 1968 Winter | |
| Gustave Cabaret | Archery | 1908 Summer | |
| Elvira Cabbarova | Azerbaijan | Athletics | 1996 Summer | |
| José Cabeça [ Wikidata ] | Portugal | Cross country skiing | 2022 Winter | |
| Mauro Cabeção | Brazil | Football | 1976 Summer | |
| Ana Cabecinha | Portugal | Athletics | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Jitka Čábelická | Czech Republic | Cycling mountain bike | 2020 Summer | |
| Salvatore Cabella | Italy | Water polo | 1920 Summer | |
| Alba Cabello | Spain | Artistic swimming | 2008 Summer, 2012 Summer | |
| Brenton Cabello | Swimming | 2008 Summer | |
| Elisa Cabello | Artistic gymnastics | 1976 Summer | |
| Jesús Cabeza | Venezuela | Boxing | 1980 Summer | |
| Francisco Cabezas | Spain | Canoe sprint | 1992 Summer | |
| Paula Cabezas | Chile | Tennis | 1996 Summer | |
| Bruno Caboclo | Brazil | Basketball | 2024 Summer | |
| Ricardo Cabot Boix | Spain | Field hockey | 1948 Summer | |
| Javier Cabot | 1980 Summer, 1984 Summer | |
| Ricardo Cabot | 1976 Summer, 1980 Summer, 1984 Summer | |
| Joop Cabout | Netherlands | Water polo | 1952 Summer | |
| Mieke Cabout | 2008 Summer | |
| Abílio Cabral | Angola | Boxing | 1980 Summer | |
| Alexandrina Cabral | Spain | Handball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Donn Cabral | United States | Athletics | 2012 Summer, 2016 Summer | |
| Francelina Cabral | Timor-Leste | Cycling mountain bike | 2016 Summer | |
| Francisco Cabral | Portugal | Tennis | 2024 Summer | |
| Johnathan Cabral | Canada | Athletics | 2016 Summer | |
| Juliana Cabral | Brazil | Football | 2000 Summer, 2004 Summer | |
| Luis Cabral | Guam | Archery | 1992 Summer | |
| Milagros Cabral | Dominican Republic | Volleyball | 2004 Summer, 2012 Summer | |
| Óscar Cabral | Portugal | Water polo | 1952 Summer | |
| Rachel Cabral | Philippines | Archery | 2012 Summer | |
| Rubén Cabral | Argentina | Rowing | 1948 Summer | |
| Travis Cabral | United States | Freestyle skiing | 2006 Winter | |
| Roberto Cabrejas | Spain | Athletics | 1980 Summer | |
| Alejandro Cabrera | El Salvador | Swimming | 1972 Summer | |
| Antonio Cabrera | Argentina | Football | 1964 Summer | |
| Carmelo Cabrera | Spain | Basketball | 1972 Summer | |
| Claudio Cabrera | Argentina | Football | 1988 Summer | |
| Conrado Cabrera | Cuba | Track cycling | 1992 Summer | |
| Delfo Cabrera | Argentina | Athletics | 1948 Summer, 1952 Summer | |
| Eralio Cabrera | Cuba | Rowing | 1968 Summer, 1972 Summer | |
| Guillermo Cabrera | Dominican Republic | Swimming | 2000 Summer | |
| Horacio Cabrera | Cuba | Rowing | 1980 Summer | |
| Humberto Cabrera | Shooting | 1972 Summer | |
| Jesús Cabrera | Spain | Swimming | 1964 Summer, 1968 Summer | |
| José Cabrera | Mexico | Basketball | 1948 Summer, 1952 Summer | |
| Juan Carlos Cabrera | Rowing | 2016 Summer | |
| Julio Cabrera | Spain | Swimming | 1960 Summer | |
| Lani Cabrera | Barbados | 2016 Summer | |
| Luis Angel Cabrera | Venezuela | Boxing | 2016 Summer | |
| María Cabrera | Ecuador | Table tennis | 1992 Summer | |
| Melky Cabrera | Dominican Republic | Baseball | 2020 Summer | |
| Pedro Cabrera | Spain | Fencing | 1960 Summer | |
| Ramón Cabrera | Argentina | Athletics | 1972 Summer | |
| Sergio Cabrera | Paraguay | Swimming | 2004 Summer | |
| Rafa Cabrera-Bello | Spain | Golf | 2016 Summer | |
| Natalia Cabrerizo | Swimming | 2000 Summer | |
| David Cabrero | Track cycling | 2000 Summer | |
| Miguel Cabrita | Portugal | Swimming | 1992 Summer, 1996 Summer | |
| Camille Cabrol | France | Freestyle skiing | 2018 Winter, 2022 Winter | |
| Philippe Cabut | Rowing | 1972 Summer | |
| Auguste Caby | Swimming | 1912 Summer | |
| Krešimir Čač | Croatia | 1996 Summer, 2000 Summer, 2004 Summer | |
| Liberato Cacace | New Zealand | Football | 2020 Summer | |
| Don Cacas | Australia | Wrestling | 1960 Summer, 1964 Summer | |
| Rodolfo Caccavo | Argentina | Track cycling | 1952 Summer | |
| Greg Caccia | United States | Handball | 1996 Summer | |
| Ilaria Cacciamani [ Wikidata ] | Italy | Softball | 2020 Summer | |
| Giulio Cacciandra | Equestrian jumping, Equestrian eventing | 1920 Summer | |
| Maurizia Cacciatori | Volleyball | 2000 Summer | |
| Valeriu Caceanov | Soviet Union | Athletics | 1980 Summer | |
| Eusebio Cáceres | Spain | 2012 Summer, 2020 Summer | |
| Francisco Cáceres | El Salvador | Weightlifting | 1996 Summer | |
| Ignacio Cáceres | Spain | Athletics | 2012 Summer | |
| Javier Cáceres | Peru | Football | 1960 Summer | |
| Javier Caceres | Shooting | 1964 Summer | |
| Jorge Cáceres | Argentina | Modern pentathlon | 1952 Summer | |
| Juan Ignacio Cáceres | Canoe sprint | 2016 Summer | |
| Orlando Cáceres | Puerto Rico | Wrestling | 1984 Summer | |
| Oscar Caceres | Peru | Shooting | 1956 Summer, 1964 Summer, 1980 Summer | |
| Pedro Cáceres | Argentina | Athletics | 1984 Summer | |
| Vicente Cáceres | Spain | Wrestling | 1988 Summer, 1992 Summer | |
| Fermín Cacho | Athletics | 1992 Summer, 1996 Summer | |
| Luciano del Cacho | Alpine skiing | 1968 Winter | |
| Kateřina Cachová | Czech Republic | Athletics | 2016 Summer | |
| Anthony Caci | France | Football | 2020 Summer | |
| Nikolina Ćaćić | Croatia | Boxing | 2020 Summer | |
| Daniel Cacina [ Wikidata ] | Romania | Ski jumping | 2022 Winter | |
| Franco Cacioni | Venezuela | Road cycling, Track cycling | 1956 Summer | |
| Greg Cackett | Great Britain | Bobsleigh | 2018 Winter, 2022 Winter | |
| Josef Čada | Bohemia, Czechoslovakia | Artistic gymnastics | 1908 Summer, 1920 Summer | |
| Petra Cada | Canada | Table tennis | 1996 Summer, 2004 Summer | |
| Rafael Cadalso | Cuba | Shooting | 1948 Summer | |
| Louisa Cadamuro | France | Football | 2012 Summer, 2016 Summer | |
| Andrei Cadar | Romania | Equestrian eventing | 1960 Summer | |
| Anton Cadar | Artistic gymnastics | 1964 Summer | |
| Adrian Cadbury | Great Britain | Rowing | 1952 Summer | |
| Giancarlo Cadè | Italy | Football | 1952 Summer | |
| Rival Cadeau | Seychelles | Boxing | 1992 Summer, 1996 Summer | |
| Erik Cadée | Netherlands | Athletics | 2012 Summer | |
| Robbie Cadee | Australia | Basketball | 1976 Summer | |
| Ricardo Cadena | Mexico | Football | 1992 Summer | |
| Victor Cadet | France | Swimming, Water polo | 1900 Summer | |
| Christiane Cadic | Athletics | 1964 Summer | |
| Axel Cadier | Sweden | Wrestling | 1932 Summer, 1936 Summer | |
| Ray Cadieux | Canada | Ice hockey | 1964 Winter, 1968 Winter | |
| Sylvain Cadieux | Archery | 1992 Summer | |
| Ernest Cadine | France | Weightlifting | 1920 Summer | |
| Dorothy Cadman-Cadman | Great Britain | Archery | 1908 Summer | |
| John Cadman | Field hockey | 1964 Summer | |
| Saša Čađo | Serbia | Basketball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Levi Cadogan | Barbados | Athletics | 2016 Summer | |
| Shane Cadogan | Saint Vincent and the Grenadines | Swimming | 2020 Summer | |
| Albert Cadot | France | Sailing | 1948 Summer, 1956 Summer | |
| Jérémy Cadot | Fencing | 2016 Summer | |
| Laurent Cadot | Rowing | 2004 Summer, 2008 Summer | |
| Charles Cadron | Belgium | Track cycling | 1920 Summer, 1924 Summer | |
| Fabio Caduff | Switzerland | Snowboarding | 2010 Winter | |
| Cadum | Brazil | Basketball | 1980 Summer, 1984 Summer, 1988 Summer, 1992 Summer | |
| Irene Cadurisch | Switzerland | Biathlon | 2014 Winter, 2018 Winter, 2022 Winter | |
| Sieglinde Cadusch | Athletics | 1992 Summer, 1996 Summer | |
| Gardner Cadwalader | United States | Rowing | 1968 Summer | |
| Douglass Cadwallader | Golf | 1904 Summer | |
| Jane Cadwell | Swimming | 1932 Summer | |
| Carol Cady | Athletics | 1984 Summer, 1988 Summer | |
| John Cady | Golf | 1904 Summer | |
| Kim Cadzow | New Zealand | Road cycling | 2024 Summer | |
| Florent Caelen | Belgium | Athletics | 2016 Summer | |
| Maaike Caelers | Netherlands | Triathlon | 2012 Summer | |
| Lionel Caero | Bolivia | Athletics | 1972 Summer | |
| Florent Caers | Belgium | Rowing | 1952 Summer | |
| Basten Caerts | Swimming | 2016 Summer | |
| Syque Caesar | Bangladesh | Artistic gymnastics | 2012 Summer | |
| Ana Luiza Caetano | Brazil | Archery | 2024 Summer | |
| Cidálio Caetano | Portugal | Athletics | 1984 Summer | |
| Maria Caetano | Equestrian dressage | 2020 Summer, 2024 Summer | |
| Diego Cafagna | Italy | Athletics | 2008 Summer | |
| Erin Cafaro | United States | Rowing | 2008 Summer, 2012 Summer | |
| Tim Cafe | New Zealand | Alpine skiing | 2010 Winter | |
| Ettore Caffaratti | Italy | Equestrian jumping, Equestrian eventing | 1920 Summer | |
| Francisco Cáffaro | Argentina | Basketball | 2020 Summer | |
| Jack Caffery | Canada | Athletics | 1908 Summer | |
| Cafer Çağatay | Turkey | Football | 1924 Summer | |
| Barbara Cage | Australia | Artistic gymnastics | 1964 Summer | |
| Giulio Cagiati [ Wikidata ] | Italy | Fencing | 1908 Summer | |
| Maria Cagigas | Spain | Road cycling | 2000 Summer | |
| Bahar Çağlar | Turkey | Basketball | 2012 Summer, 2016 Summer | |
| Harold Cagle | United States | Athletics | 1936 Summer | |
| Carlo Caglieris | Italy | Basketball | 1984 Summer | |
| Matteo Caglieris | Rowing | 1976 Summer | |
| Pablo Cagnasso | Argentina | Shooting | 1948 Summer, 1952 Summer | |
| Giorgio Cagnotto | Italy | Diving | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer, 1980 Summer | |
| Tania Cagnotto | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Yavé Cahard | France | Track cycling | 1980 Summer | |
| Albert Cahen | Fencing | 1900 Summer | |
| Darren Cahill | Australia | Tennis | 1988 Summer | |
| Harry Cahill | Great Britain | Field hockey | 1960 Summer, 1964 Summer, 1968 Summer | |
| Sean Cahill | Ireland | Athletics | 1996 Summer | |
| Tim Cahill | Australia | Football | 2004 Summer | |
| Trevor Cahill | United States | Baseball | 2008 Summer | |
| Florence Cahn | France | Figure skating | 1972 Winter | |
| Caitlin Cahow | United States | Ice hockey | 2006 Winter, 2010 Winter | |
| Alex Cai | Canada | Fencing | 2020 Summer | |
| Cai Huijue | China | Swimming | 1996 Summer | |
| Cai Jianming | Athletics | 1988 Summer | |
| Cai Li | Swimming | 2008 Summer | |
| Cai Shangyan | Athletics | 1988 Summer | |
| Cai Shengliu | Water polo | 1984 Summer, 1988 Summer | |
| Cai Shu | Athletics | 1984 Summer | |
| Cai Tianxiong | Water polo | 1984 Summer | |
| Cai Tongtong | Rhythmic gymnastics | 2008 Summer | |
| Cai Tsungyi | Athletics | 1936 Summer | |
| Cai Xiaoli | Singapore | Table tennis | 2008 Summer | |
| Cai Xuetong | China | Snowboarding | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Cai Xuemei | Field hockey | 2000 Summer | |
| Cai Yalin | Shooting | 2000 Summer | |
| Cai Yanshu | Weightlifting | 1988 Summer, 1992 Summer | |
| Cai Yanxiong | Basketball | 1936 Summer | |
| Cai Yeqing | Shooting | 2000 Summer | |
| Cai Yingying | Rhythmic gymnastics | 1996 Summer | |
| Cai Yun | Badminton | 2004 Summer, 2008 Summer, 2012 Summer | |
| Cai Zelin | Athletics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Andrea Caianiello | Italy | Rowing | 2012 Summer | |
| Amparo Caicedo | Colombia | Athletics | 1988 Summer | |
| Andrés Caicedo | Weightlifting | 2016 Summer | |
| Jean Caicedo | Ecuador | Boxing | 2020 Summer | |
| Juan José Caicedo | Athletics | 2020 Summer, 2024 Summer | |
| Linda Caicedo | Colombia | Football | 2024 Summer | |
| Maribel Caicedo | Ecuador | Athletics | 2024 Summer | |
| Nicole Caicedo | 2024 Summer | |
| Paulo Caicedo | Road cycling | 1996 Summer | |
| Allal Bel Caid | Morocco | Basketball | 1968 Summer | |
| Harry Cail | United States | Shooting | 1948 Summer | |
| Ania Monica Caill | Romania | Alpine skiing | 2014 Winter, 2018 Winter | |
| Caillet [ Wikidata ] | France | Track cycling | 1900 Summer | |
| Gaston Cailleux | Sailing | 1900 Summer | |
| Elizabeth Cailo | Angola | Handball | 2008 Summer | |
| Daniele Caimmi | Italy | Athletics | 2000 Summer, 2004 Summer | |
| Alan Cain | Australia | Sailing | 1960 Summer | |
| Carl Cain | United States | Basketball | 1956 Summer | |
| Debra Cain | Australia | Swimming | 1972 Summer | |
| Elizabeth Cain | Figure skating | 1980 Winter | |
| Larry Cain | Canada | Canoe sprint | 1984 Summer, 1988 Summer, 1992 Summer | |
| Peter Cain | Australia | Figure skating | 1980 Winter | |
| Sharon Cain | United States | Handball | 1992 Summer, 1996 Summer | |
| Chiara Cainero | Italy | Shooting | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Daniel Caines | Great Britain | Athletics | 2000 Summer, 2004 Summer | |
| Ashley Cain | United States | Figure skating | 2022 Winter | |
| Pedro Caino | Argentina | Track cycling | 1984 Summer | |
| Caio Eduardo de Mello Cazziolato | Brazil | Basketball | 1996 Summer | |
| Jenna Caira | Canada | Softball | 2020 Summer | |
| Phil Caira | Great Britain | Weightlifting | 1956 Summer, 1960 Summer | |
| Maureen Caird | Australia | Athletics | 1968 Summer, 1972 Summer | |
| Emile Cairess | Great Britain | 2024 Summer | |
| Thomas Cairney | Cross country skiing | 1956 Winter | |
| Anne Cairns | Samoa | Canoe sprint | 2016 Summer, 2020 Summer | |
| Christopher Cairns | Australia | Sailing | 1984 Summer | |
| Imogen Cairns | Great Britain | Artistic gymnastics | 2008 Summer, 2012 Summer | |
| Kirstin Cairns | Alpine skiing | 1980 Winter, 1988 Winter | |
| Sofía Cairó | Argentina | Field hockey | 2024 Summer | |
| Jean-Luc Cairon | France | Artistic gymnastics | 1984 Summer | |
| Jakob Caironi | Switzerland | Road cycling | 1928 Summer | |
| Tandara Caixeta | Brazil | Volleyball | 2012 Summer, 2020 Summer | |
| Janeth Caizalitín | Ecuador | Athletics | 1992 Summer | |
| Petr Čajánek | Czech Republic | Ice hockey | 2002 Winter, 2006 Winter, 2010 Winter | |
| Sára Čajanová | 2022 Winter | |
| Željko Čajkovski | Yugoslavia | Football | 1948 Summer | |
| Zlatko Čajkovski | 1948 Summer, 1952 Summer | |
| Michal Čajkovský | Slovakia | Ice hockey | 2018 Winter, 2022 Winter | |
| Yalçın Çaka | Turkey | Football | 1952 Summer | |
| Mazhar Çakin | Wrestling | 1924 Summer | |
| Mustafa Çakır | Sailing | 2012 Summer | |
| Olcay Çakır | Basketball | 2016 Summer | |
| Selim Çakır | Equestrian jumping | 1948 Summer | |
| Buse Naz Çakıroğlu | Boxing | 2020 Summer, 2024 Summer | |
| Fatih Çakıroğlu | Wrestling | 2004 Summer | |
| Temel Çakiroglu | Judo | 1988 Summer | |
| Ahmet Çakıryıldız | Wrestling | 1936 Summer | |
| Ivan Čaklec | Yugoslavia | Artistic gymnastics | 1952 Summer, 1960 Summer, 1964 Summer | |
| Sabrina Cakmakli | Germany | Freestyle skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Tomáš Caknakis | Czech Republic | Shooting | 2004 Summer | |
| Gatis Čakšs | Latvia | Athletics | 2020 Summer, 2024 Summer | |
| David Cal | Spain | Canoe sprint | 2004 Summer, 2008 Summer, 2012 Summer | |
| Rafael Cal | Mexico | Swimming | 1968 Summer | |
| Giovanni Calabrese | Italy | Rowing | 1988 Summer, 1996 Summer, 2000 Summer | |
| Lucas Calabrese | Argentina | Sailing | 2012 Summer, 2016 Summer | |
| Veronica Calabrese | Italy | Taekwondo | 2008 Summer | |
| Gastone Calabresi [ Wikidata ] | Artistic gymnastics | 1908 Summer | |
| Giulio Calabrò | Sailing | 2020 Summer | |
| Vicente Calabuig | Spain | Handball | 1980 Summer | |
| Carlos Calado | Portugal | Athletics | 1996 Summer, 2000 Summer | |
| José Calado | Football | 1996 Summer | |
| Jordi Calafat | Spain | Sailing | 1992 Summer, 1996 Summer | |
| Lorenzo Calafiore | Italy | Wrestling | 1972 Summer | |
| Alexandru Calamar | Romania | Ice hockey | 1964 Winter, 1968 Winter | |
| Francisco Calamita | Spain | Swimming | 1948 Summer | |
| Marta Calamonte | Rhythmic gymnastics | 2000 Summer | |
| Valeriu Calancea | Romania | Weightlifting | 2000 Summer, 2004 Summer | |
| Giampaolo Calanchini | Italy | Fencing | 1960 Summer, 1964 Summer | |
| Pierre Caland | France | Swimming | 1972 Summer | |
| Saúl Calandra | Argentina | Football | 1928 Summer | |
| Tommy Calandro | United States | Weightlifting | 1984 Summer | |
| Bombo Calandula | Angola | Handball | 2008 Summer | |
| Wladimiro Calarese | Italy | Fencing | 1960 Summer, 1964 Summer, 1968 Summer | |
| Zulia Calatayud | Cuba | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| Nick Calathes | Greece | Basketball | 2024 Summer | |
| Attilio Calatroni | Italy | Fencing | 1976 Summer | |
| Silvio Calcagno | Bobsleigh | 1994 Winter | |
| Penait Călcâi | Romania | Shooting | 1952 Summer | |
| Alessandro Calcaterra | Italy | Water polo | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Roberto Calcaterra | 1996 Summer, 2000 Summer, 2004 Summer | |
| Bethany Calcaterra-McMahon | United States | Luge | 1994 Winter, 1998 Winter | |
| Gheorghe Calcișcă | Romania | Road cycling | 1960 Summer | |
| Gianni Caldana | Italy | Athletics | 1936 Summer | |
| Paolo Caldarella | Water polo | 1988 Summer, 1992 Summer | |
| Heidi Caldart | Ice hockey | 2006 Winter | |
| Violetta Caldart | Curling | 2006 Winter | |
| Luís Caldas | Portugal | Wrestling | 1960 Summer | |
| Maximiliano Caldas | Argentina | Field hockey | 1996 Summer, 2004 Summer | |
| Francisco Caldeira | Portugal | Equestrian jumping | 1972 Summer | |
| Hilma Caldeira | Brazil | Volleyball | 1992 Summer, 1996 Summer | |
| Raúl Caldeira | Portugal | Artistic gymnastics | 1952 Summer | |
| Mariona Caldentey | Spain | Football | 2024 Summer | |
| Allison Calder | New Zealand | Swimming | 1976 Summer | |
| David Calder | Canada | Rowing | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Katherine Calder | New Zealand | Cross country skiing | 2010 Winter | |
| Marty Calder | Canada | Wrestling | 1992 Summer, 1996 Summer | |
| Stephen Calder | Sailing | 1984 Summer | |
| Hugo Calderano | Brazil | Table tennis | 2016 Summer, 2020 Summer, 2024 Summer | |
| Marco Calderari | Switzerland | Sailing | 1988 Summer | |
| Miguel Calderón Gómez | Cuba | Basketball | 1968 Summer, 1972 Summer, 1980 Summer | |
| Agustín Calderon | Spain | Canoe sprint | 1996 Summer | |
| Alfredo Álvarez Calderón | Peru | Diving | 1936 Summer | |
| Carlos Calderón | Mexico | Fencing | 1968 Summer, 1972 Summer | |
| Carlos Calderón | Puerto Rico | Boxing | 1976 Summer | |
| Francisco Calderón | Colombia | 2000 Summer | |
| Gustavo Calderón | Argentina | Rowing | 1984 Summer | |
| Ignacio Calderón | Mexico | Football | 1964 Summer | |
| Iván Calderón | Puerto Rico | Boxing | 2000 Summer | |
| Javier Calderón | Mexico | 1992 Summer | |
| José Calderón | Spain | Basketball | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Juan Calderón | Mexico | Field hockey | 1968 Summer, 1972 Summer | |
| Luis Calderon | Cuba | Volleyball | 1972 Summer | |
| Mercedes Calderón | 1992 Summer | |
| Rosir Calderón | 2004 Summer, 2008 Summer | |
| Sandalio Calderon | Colombia | Boxing | 1976 Summer | |
| Vicente Calderón | Mexico | Fencing | 1968 Summer, 1972 Summer | |
| Miguel Caldés Luis | Cuba | Baseball | 1996 Summer, 2000 Summer | |
| Vladimír Caldr | Czechoslovakia | Ice hockey | 1984 Winter | |
| Abbey Caldwell | Australia | Athletics | 2024 Summer | |
| Ashley Caldwell | United States | Freestyle skiing | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| David Caldwell | Athletics | 1912 Summer | |
| Earl Caldwell | Canada | Shooting | 1956 Summer | |
| Hilary Caldwell | Swimming | 2012 Summer, 2016 Summer | |
| Hubert A. Caldwell | United States | Rowing | 1928 Summer | |
| Joe Caldwell | Basketball | 1964 Summer | |
| John H. Caldwell | Cross country skiing, Nordic combined | 1952 Winter | |
| John Caldwell | Ireland | Boxing | 1956 Summer | |
| Patrick Caldwell | United States | Cross country skiing | 2018 Winter | |
| Thomas Caldwell [ Wikidata ] | Great Britain | Shooting | 1908 Summer | |
| Tim Caldwell | United States | Cross country skiing | 1972 Winter, 1976 Winter, 1980 Winter, 1984 Winter | |
| Sophie Caldwell Hamilton | 2014 Winter, 2018 Winter | |
| Maya Calé-Benzoor | Israel | Athletics | 1984 Summer | |
| Antonio Calebotta | Italy | Basketball | 1960 Summer | |
| Louis Calebout | Belgium | Boxing | 1948 Summer | |
| Guillermo Calegari Jr. | Argentina | Sailing | 1996 Summer | |
| Guillermo Calegari Sr. | 1972 Summer | |
| Stefania Calegari | Italy | Figure skating | 1992 Winter | |
| Héctor Calegaris | Argentina | Sailing | 1960 Summer | |
| José Oswaldo Calel | Guatemala | Athletics | 2020 Summer | |
| Carola Calello | Argentina | Alpine skiing | 1994 Winter, 1998 Winter | |
| Anton Calenic | Romania | Canoe sprint | 1968 Summer | |
| Diego Calero | Colombia | Track cycling | 1960 Summer | |
| Miguel Calero | Football | 1992 Summer | |
| Patricio Calero | Ecuador | Boxing | 2004 Summer | |
| Quentin Caleyron | France | Cycling BMX racing | 2012 Summer | |
| George Calhern | Virgin Islands | Athletics | 1972 Summer | |
| John Calhoun | United States | Diving | 1952 Summer | |
| Lee Calhoun | Athletics | 1956 Summer, 1960 Summer | |
| Pat Calhoun | Swimming | 2000 Summer | |
| Vincenza Calì | Italy | Athletics | 2008 Summer | |
| Luís Caliço | Portugal | Sailing | 1988 Summer | |
| Danny Califf | United States | Football | 2000 Summer | |
| Waldemar Califf | Sweden | Shooting | 1968 Summer | |
| Umberto Caligaris | Italy | Football | 1924 Summer, 1928 Summer | |
| Paul Caligiuri | United States | 1988 Summer | |
| Valeriu Călinoiu | Romania | 1952 Summer | |
| Derya Çalışkan | Turkey | Judo | 1992 Summer | |
| Rıfat Çalışkan | Road cycling | 1972 Summer | |
| Tuncay Çalışkan | Austria | Taekwondo | 2000 Summer, 2004 Summer | |
| Policarpio Calizaya | Bolivia | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Sonia Calizaya | 2008 Summer | |
| Briken Calja | Albania | Weightlifting | 2012 Summer, 2016 Summer, 2020 Summer | |
| Mark Caljouw | Netherlands | Badminton | 2020 Summer | |
| Arnold van Calker | Bobsleigh | 2002 Winter | |
| Edwin van Calker | 2010 Winter, 2014 Winter | |
| Beth Calkin | Canada | Sailing | 2000 Summer | |
| Irving Calkins | United States | Shooting | 1908 Summer | |
| Åke Call | Sweden | 1976 Summer | |
| Henrique Callado | Portugal | Equestrian jumping | 1948 Summer, 1952 Summer, 1956 Summer, 1960 Summer, 1964 Summer | |
| Guy Callaghan | New Zealand | Swimming | 1992 Summer | |
| Kathy Callaghan | United States | Handball | 1988 Summer | |
| Martin Callaghan | Australia | Water polo | 1980 Summer, 1984 Summer | |
| Elizabeth Callahan | United States | Shooting | 1992 Summer, 1996 Summer, 2004 Summer, 2008 Summer | |
| John Callahan | Cross country skiing | 1992 Winter | |
| Leah Callahan | Canada | Wrestling | 2012 Summer | |
| Ryan Callahan | United States | Ice hockey | 2010 Winter, 2014 Winter | |
| Sharon Callahan | Athletics | 1968 Summer | |
| Patrick Callan | Swimming | 2020 Summer | |
| Walter Callander | Bahamas | Athletics | 1972 Summer, 1976 Summer | |
| Andrew Callard | Great Britain | Weightlifting | 1992 Summer | |
| Vincent Callard | Canada | Athletics | 1928 Summer | |
| Sandro Callari | Italy | Track cycling | 1976 Summer | |
| Álvaro Calle | Colombia | Football | 1972 Summer | |
| María Elena Calle | Ecuador | Athletics | 2016 Summer | |
| María Luisa Calle | Colombia | Track cycling | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Pierre Calle | Belgium | Fencing | 1920 Summer | |
| Beatrice Callegari | Italy | Artistic swimming | 2016 Summer, 2020 Summer | |
| Jaime Callejas | Colombia | Shooting | 1972 Summer | |
| Peter Callenbach [ Wikidata ] | Netherlands | Baseball | 1996 Summer | |
| Clarence Callender | Great Britain | Athletics | 1988 Summer | |
| David Callender | Rowing | 1952 Summer | |
| Emmanuel Callender | Trinidad and Tobago | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Els Callens | Belgium | Tennis | 2000 Summer | |
| Joseph Callens | Diving, Swimming | 1920 Summer, 1924 Summer | |
| Agustín Calleri | Argentina | Tennis | 2004 Summer, 2008 Summer | |
| Jonathan Calleri | Football | 2016 Summer | |
| Thomas Callerud | Sweden | Figure skating | 1968 Winter | |
| John Callie | South Africa | Rowing | 1996 Summer | |
| Chiara Calligaris | Italy | Sailing | 2008 Summer | |
| Mauro Calligaris | Swimming | 1972 Summer | |
| Novella Calligaris | 1968 Summer, 1972 Summer | |
| Romana Calligaris | 1952 Summer | |
| Facundo Callioni | Argentina | Field hockey | 2012 Summer, 2016 Summer | |
| Kent Callister | Australia | Snowboarding | 2014 Winter, 2018 Winter | |
| Nicole Callisto | Cycling BMX racing | 2008 Summer | |
| Henri Callot | France | Fencing | 1896 Summer | |
| Jackie Callura | Canada | Boxing | 1932 Summer | |
| Ashley Callus | Australia | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Alain Calmat | France | Figure skating | 1956 Winter, 1960 Winter, 1964 Winter | |
| Carole Calmes | Luxembourg | Shooting | 2012 Summer | |
| Jean-François Calmes | Monaco | Bobsleigh | 1998 Winter, 2002 Winter | |
| Georges Calmon | France | Equestrian jumping | 1956 Summer | |
| George Calnan | United States | Fencing | 1920 Summer, 1924 Summer, 1928 Summer, 1932 Summer | |
| Will Calnan | Great Britain | Field hockey | 2024 Summer | |
| Gregorio Caloggero | Peru | Road cycling | 1936 Summer | |
| Neal Caloia | United States | Shooting | 1996 Summer | |
| Noël Calone | France | Sailing | 1952 Summer | |
| Andrés Calonge | Argentina | Athletics | 1968 Summer, 1972 Summer | |
| Luis Domínguez Calonge [ Wikidata ] | Spain | Swimming | 2024 Summer | |
| Jan Čaloun | Czech Republic | Ice hockey | 1998 Winter | |
| Roberto Calovi | Italy | Track cycling | 1984 Summer | |
| Fernando Calp | Argentina | Field hockey | 1968 Summer, 1972 Summer, 1976 Summer | |
| Elisa Calsi | Italy | Artistic gymnastics | 1956 Summer | |
| Antonino Caltabiano | Wrestling | 1976 Summer, 1980 Summer, 1984 Summer | |
| Daniel Caluag | Philippines | Cycling BMX racing | 2012 Summer | |
| Dyana Calub | Australia | Swimming | 2000 Summer | |
| Cornel Călugăreanu | Romania | Basketball | 1952 Summer | |
| Mălina Călugăreanu | Fencing | 2016 Summer, 2024 Summer | |
| Dominador Calumarde | Philippines | Boxing | 1964 Summer, 1968 Summer | |
| Joël Calva | Mexico | Volleyball | 1968 Summer | |
| Caroline Calvé | Canada | Snowboarding | 2010 Winter, 2014 Winter | |
| Raymond Calverley | Great Britain | Canoe slalom | 1972 Summer | |
| Selwyn Calverley | Sailing | 1900 Summer | |
| Albert Calvert [ Wikidata ] | Track cycling | 1908 Summer | |
| Hannah Calvert | South Africa | Water polo | 2020 Summer | |
| Schillonie Calvert | Jamaica | Athletics | 2012 Summer | |
| Sherry Calvert | United States | 1972 Summer, 1976 Summer | |
| Luis Calvet | Spain | Shooting | 1920 Summer, 1932 Summer | |
| V. Calvet [ Wikidata ] | France | Fencing | 1900 Summer | |
| Alessandro Calvi | Italy | Swimming | 2004 Summer, 2008 Summer | |
| Guido Calvi | Athletics | 1912 Summer | |
| Eva Calvo | Spain | Taekwondo | 2016 Summer | |
| Gabriel Calvo | Artistic gymnastics | 1976 Summer, 1980 Summer | |
| José Luis Calvo | Shooting | 1960 Summer, 1968 Summer, 1972 Summer, 1980 Summer | |
| Jossimar Calvo | Colombia | Artistic gymnastics | 2016 Summer | |
| Michael Calvo | Cuba | Athletics | 2000 Summer | |
| Raúl Calvo | Argentina | Basketball | 1948 Summer | |
| Tania Calvo | Spain | Track cycling | 2016 Summer | |
| Giorgio Calz | Italy | Wrestling | 1920 Summer | |
| Carlo Calzà | Speed skating | 1956 Winter | |
| Maximiliano Calzada | Uruguay | Football | 2012 Summer | |
| Ricky Calzada | Puerto Rico | Basketball | 1972 Summer | |
| Nelson Calzadilla | Venezuela | Boxing | 1976 Summer | |
| Euclides Calzado | Cuba | Athletics | 1968 Summer | |
| Juan Calzado | Spain | Field hockey | 1960 Summer, 1964 Summer | |
| Luis Calzado | 2024 Summer | |
| Amalia Calzavara | Italy | Canoe sprint | 1992 Summer | |
| Silvio Calzolari [ Wikidata ] | Tug of war | 1920 Summer | |
| Sandra Cam | Belgium | Swimming | 1992 Summer, 1996 Summer | |
| Cyrus Cama | India | Sailing | 1992 Summer | |
| Jonathan Javier Camacho Riera | Venezuela | Swimming | 2008 Summer | |
| Diego Camacho | Bolivia | Tennis | 2000 Summer | |
| Filemón Camacho | Venezuela | Athletics | 1952 Summer | |
| Javier Camacho | Mexico | Boxing | 1984 Summer | |
| José Camacho | Venezuela | Judo | 2004 Summer, 2008 Summer | |
| Juan Camacho | Bolivia | Athletics | 1984 Summer, 1988 Summer, 1992 Summer | |
| Julio César Camacho | Venezuela | Luge | 2002 Winter | |
| Leonardo Camacho | Bolivia | Wrestling | 1984 Summer | |
| Paulo Camacho | Portugal | Swimming | 1988 Summer | |
| Pedro Camacho | Puerto Rico | Athletics | 1960 Summer | |
| Ricardo Camacho | Spain | Diving | 1976 Summer, 1980 Summer, 1984 Summer | |
| Rubén Camacho | Mexico | Road cycling | 1976 Summer | |
| Sergio Camacho | Colombia | Judo | 2004 Summer | |
| Jasmine Camacho-Quinn | Puerto Rico | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Chakyl Camal | Mozambique | Swimming | 2008 Summer, 2012 Summer | |
| Ramón Camallonga | Spain | 1988 Summer, 1992 Summer | |
| Alioune Camara | Senegal | Wrestling | 1972 Summer | |
| Alyn Camara | Germany | Athletics | 2012 Summer, 2016 Summer | |
| Amadou Camara | Guinea | Swimming | 2016 Summer | |
| Aminata Camara | Mali | Athletics | 1996 Summer | |
| Bounkou Camara | Mauritania | 2008 Summer | |
| Chérif Camara [ Wikidata ] | Guinea | Football | 2024 Summer | |
| Dede Camara | Swimming | 2012 Summer | |
| Doudas Leydi Camara | Senegal | Basketball | 1968 Summer, 1972 Summer | |
| Ebrahima Camara | The Gambia | Athletics | 2020 Summer, 2024 Summer | |
| Fatoumata Camara | Guinea | Wrestling | 2020 Summer | |
| Fodé Bouya Camara | Football | 1968 Summer | |
| Hamadi Camara | Mali | Judo | 1972 Summer | |
| Henry Camara [ Wikidata ] | Guinea | Football | 2024 Summer | |
| Ibrahim Camara | Judo | 1980 Summer | |
| Issiaga Camara | Football | 2024 Summer | |
| Kadiatou Camara | Mali | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| N'Dongo Camara | Guinea | Football | 1968 Summer | |
| Marine Camara [ Wikidata ] | Mali | Boxing | 2024 Summer | |
| Maxime Camara | Guinea | Football | 1968 Summer | |
| Mbemba Camara | Boxing | 1980 Summer | |
| Morlaye Camara | Football | 1968 Summer | |
| Moussa Camara | Mali | Athletics | 2012 Summer | |
| Ousmane Camara | Judo | 1988 Summer | |
| Ousmane Camara | Guinea | Football | 2024 Summer | |
| Pierre Camara | France | Athletics | 1992 Summer | |
| Rafael Cámara | Mexico | Fencing | 1952 Summer | |
| Sara Camara | Mali | Athletics | 1964 Summer | |
| Seco Camara | Guinea-Bissau | 2020 Summer, 2024 Summer | |
| Sekou Camara | Guinea | 1980 Summer | |
| Sekou Camara | Judo | 1992 Summer | |
| Alexandre Camarasa | France | Water polo | 2016 Summer | |
| Enrique Camarena | Spain | Shooting | 1976 Summer, 1980 Summer | |
| Jillian Camarena-Williams | United States | Athletics | 2008 Summer, 2012 Summer | |
| Alexandre Camargo | Brazil | Fencing | 2016 Summer | |
| Emiliano Camargo | Colombia | 1948 Summer, 1956 Summer | |
| Henrique Camargo [ Wikidata ] | Brazil | Rowing | 1936 Summer | |
| Marco Camargo | Ecuador | Swimming | 2008 Summer | |
| Christopher Camat | Philippines | Boxing | 2004 Summer | |
| Jim Camazzola | Italy | Ice hockey | 1992 Winter, 1994 Winter | |
| Liz Cambage | Australia | Basketball | 2012 Summer, 2016 Summer | |
| Eva Cambal | Austria | Field hockey | 1980 Summer | |
| Iván Cambar | Cuba | Weightlifting | 2008 Summer, 2012 Summer | |
| Mihaela Cambei | Romania | 2024 Summer | |
| Halet Çambel | Turkey | Fencing | 1936 Summer | |
| Irene Camber | Italy | 1948 Summer, 1952 Summer, 1960 Summer, 1964 Summer | |
| Miguel Camberos | Mexico | Athletics | 1932 Summer | |
| Carlotta Cambi | Italy | Volleyball | 2024 Summer | |
| Luigi Cambiaso | Artistic gymnastics | 1920 Summer, 1924 Summer | |
| Domenico Cambieri | Rowing | 1948 Summer, 1952 Summer | |
| Jason Cambitzis | Zimbabwe | Shooting | 1980 Summer | |
| Mattia Camboni | Italy | Sailing | 2016 Summer, 2020 Summer | |
| Charlotte Camboulives | France | Rhythmic gymnastics | 1996 Summer | |
| Asuka Cambridge | Japan | Athletics | 2016 Summer | |
| Barrington Cambridge | Guyana | Boxing | 1980 Summer | |
| Arturo Cambroni | Mexico | Track cycling | 1972 Summer | |
| Daniel Camejo | Venezuela | Sailing | 1960 Summer, 1964 Summer | |
| Ibrahim Camejo | Cuba | Athletics | 2008 Summer | |
| Peter Camejo | Venezuela | Sailing | 1960 Summer | |
| Francesco Cameli | Italy | 1928 Summer | |
| Auguste Camelin [ Wikidata ] | France | Water polo | 1900 Summer | |
| Adriana Camelli | Argentina | Swimming | 1948 Summer | |
| Sergio Camello | Spain | Football | 2024 Summer | |
| Alexandra Camenșcic | Moldova | Cross country skiing, Biathlon | 2010 Winter, 2014 Winter | |
| Oscar Camenzind | Switzerland | Road cycling | 2000 Summer | |
| Dani Cameranesi | United States | Ice hockey | 2018 Winter, 2022 Winter | |
| Milagros Cámere | Peru | Volleyball | 1996 Summer, 2000 Summer | |
| Maria Elena Camerin | Italy | Tennis | 2004 Summer | |
| Pasquale Camerlengo | Figure skating | 1992 Winter, 1998 Winter | |
| Archibald Cameron | Canada | Sailing | 1956 Summer | |
| Bert Cameron | Jamaica | Athletics | 1980 Summer, 1984 Summer, 1988 Summer | |
| Bev Cameron | Canada | Rowing | 1976 Summer | |
| Brendon Cameron | New Zealand | Track cycling | 1996 Summer | |
| Cynthia Cameron | Australia | Taekwondo | 2000 Summer | |
| David Cameron | Rowing | 1996 Summer | |
| Donald Cameron | Water polo | 1988 Summer | |
| George Cameron [ Wikidata ] | United States | Track cycling | 1908 Summer | |
| Hilda Cameron | Canada | Athletics | 1936 Summer | |
| Jack Cameron | Ice hockey | 1924 Winter | |
| Jan Cameron | Australia | Swimming | 1964 Summer | |
| John Cameron | Canada | Athletics | 1920 Summer | |
| Katrina Cameron | Rhythmic gymnastics | 2012 Summer | |
| Lloydricia Cameron | Jamaica | Athletics | 2020 Summer, 2024 Summer | |
| Lynn Cameron | Great Britain | Curling | 2006 Winter | |
| Mark Cameron | United States | Weightlifting | 1976 Summer | |
| Michelle Cameron | Canada | Artistic swimming | 1988 Summer | |
| Pero Cameron | New Zealand | Basketball | 2000 Summer, 2004 Summer | |
| Ron Cameron | Canada | Rowing | 1948 Summer, 1952 Summer | |
| Scott Cameron | New Zealand | Swimming | 1996 Summer | |
| Tony Cameron | Ireland | Equestrian eventing | 1960 Summer, 1964 Summer | |
| Tracy Cameron | Canada | Rowing | 2008 Summer | |
| Brett Camerota | United States | Nordic combined | 2006 Winter, 2010 Winter | |
| Eric Camerota | 2006 Winter | |
| Jean-Claude Cameroun | Cameroon | Judo | 2000 Summer, 2004 Summer | |
| Carmelo Camet | Argentina | Fencing | 1928 Summer | |
| Francisco Camet | 1900 Summer | |
| Pascal Camia | Monaco | Bobsleigh | 1992 Winter, 1994 Winter, 1998 Winter | |
| Werner Camichel | Switzerland | 1972 Winter | |
| Camier [ Wikidata ] | France | Fencing | 1900 Summer | |
| Juana Camilión | Spain | 3x3 basketball | 2024 Summer | |
| Paul Camilleri | Malta | Road cycling | 1960 Summer | |
| Russell Camilleri | United States | Wrestling | 1960 Summer, 1964 Summer | |
| Emanuele Camilli | Italy | Equestrian jumping | 2024 Summer | |
| Dayane Camilo | Brazil | Rhythmic gymnastics | 2000 Summer, 2004 Summer | |
| Dimas Camilo | Mexico | Canoe sprint | 2008 Summer | |
| Tiago Camilo | Brazil | Judo | 2000 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Yessica Camilo | Dominican Republic | Archery | 2016 Summer | |
| Jorge Camiña | Spain | Field hockey | 1972 Summer | |
| Rafael Camiña | 1968 Summer | |
| Roberto Caminero | Cuba | Boxing | 1964 Summer, 1968 Summer | |
| Philippe Cammaerts | Belgium | Shooting | 1920 Summer | |
| Roberto Cammarelle | Italy | Boxing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Lucas Cammareri | Argentina | Field hockey | 2004 Summer, 2012 Summer | |
| Helmut Cämmerer | Germany | Canoe sprint | 1936 Summer | |
| Pierre Camoletti | Switzerland | Sailing | 1960 Summer | |
| Núria Camón | Spain | Field hockey | 2000 Summer, 2004 Summer, 2008 Summer | |
| Paolo Camossi | Italy | Athletics | 2000 Summer | |
| Juan Camous | Venezuela | Fencing | 1952 Summer | |
| Ivano Camozzi | Italy | Alpine skiing | 1988 Winter | |
| Brad Camp | Australia | Athletics | 1988 Summer | |
| Ainhoa Campabadal | Spain | Swimming | 2024 Summer | |
| Edilberto Campadese | Italy | Bobsleigh | 1948 Winter | |
| Sandro Campagna | Water polo | 1988 Summer, 1992 Summer | |
| Tom Campagne | France | Athletics | 2024 Summer | |
| André Campana | 1912 Summer | |
| Antonio Campaña | Spain | Alpine skiing | 1968 Winter | |
| Cosetta Campana | Italy | Athletics | 1984 Summer | |
| Giorgia Campana | Artistic gymnastics | 2012 Summer | |
| Loris Campana | Track cycling | 1952 Summer | |
| Martín Campaña | Uruguay | Football | 2012 Summer | |
| Pablo Campana | Ecuador | Tennis | 1996 Summer | |
| Giorgio Campanella | Italy | Boxing | 1988 Summer | |
| Luigi Campanella | Wrestling | 1948 Summer | |
| Salvatore Campanella | 1992 Summer | |
| Benoît Campargue | France | Judo | 1992 Summer | |
| Facundo Campazzo | Argentina | Basketball | 2012 Summer, 2016 Summer, 2020 Summer | |
| Veronica Campbell Brown | Jamaica | Athletics | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Alan Campbell | Great Britain | Rowing | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Amber Campbell | United States | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Andrew Campbell | Sailing | 2008 Summer | |
| Andrew Campbell | Rowing | 2016 Summer | |
| Andy Campbell | Australia | Basketball | 1976 Summer, 1984 Summer | |
| Ben Nighthorse Campbell | United States | Judo | 1964 Summer | |
| Bronte Campbell | Australia | Swimming | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Buddy Campbell | United States | Speed skating | 1964 Winter | |
| Cate Campbell | Australia | Swimming | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Charles Campbell | Great Britain | Sailing | 1908 Summer | |
| Charles Campbell | Canada | Rowing | 1936 Summer | |
| Chris Campbell | United States | Wrestling | 1992 Summer | |
| Christine Campbell | Rowing | 1988 Summer | |
| Christopher Campbell | Ireland | Art competitions | 1948 Summer | |
| Colin Campbell | Great Britain | Field hockey | 1920 Summer | |
| Colin Campbell | Athletics, Bobsleigh | 1968 Summer, 1972 Summer, 1976 Winter | |
| Cora Campbell | Canada | Water polo | 2000 Summer, 2004 Summer | |
| Dan Campbell | United States | Biathlon | 2002 Winter | |
| Darren Campbell | Great Britain | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Dave Campbell | Canada | Basketball | 1948 Summer | |
| David Campbell | Athletics | 1988 Summer | |
| Derrick Campbell | Short track speed skating | 1994 Winter, 1998 Winter | |
| Don Campbell | Cayman Islands | Road cycling, Track cycling | 1992 Summer | |
| Douglas Campbell | Great Britain | Swimming | 1980 Summer | |
| Duncan Campbell | New Zealand | Snowboarding | 2018 Winter | |
| Eduardo Campbell | Panama | Wrestling | 1960 Summer, 1964 Summer | |
| Emily Campbell | Great Britain | Weightlifting | 2020 Summer, 2024 Summer | |
| Felicity Campbell | Australia | Short track speed skating | 1992 Winter | |
| Fiona Campbell | Great Britain | Alpine skiing | 1952 Winter | |
| Gene Campbell | United States | Ice hockey | 1956 Winter | |
| George Campbell | Canada | Lacrosse | 1908 Summer | |
| Gilberto Campbell | Cuba | Rowing | 1964 Summer | |
| Gillian Campbell | Australia | 1992 Summer | |
| Harry Campbell | United States | Boxing | 1960 Summer | |
| Iain Campbell | Great Britain | Swimming | 1984 Summer | |
| Ian Campbell | Australia | Athletics | 1980 Summer | |
| Ivor Campbell | Canada | Rowing | 1924 Summer | |
| James Campbell | Great Britain | Athletics | 1924 Summer | |
| Jasmine Campbell | Virgin Islands | Alpine skiing | 2014 Winter | |
| Jeannette Campbell | Argentina | Swimming | 1936 Summer | |
| Jeffrey Campbell | United States | Water polo | 1988 Summer, 1992 Summer | |
| Jesse Campbell | New Zealand | Equestrian eventing | 2020 Summer | |
| Jim Campbell | United States | Ice hockey | 1994 Winter | |
| Jody Campbell | Water polo | 1984 Summer, 1988 Summer | |
| John Campbell | Great Britain | Rowing | 1920 Summer | |
| John Campbell | Australia | 1964 Summer | |
| John Campbell | New Zealand | Athletics | 1988 Summer | |
| John Campbell | Virgin Islands | Alpine skiing | 1992 Winter | |
| Juliet Campbell | Jamaica | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Kelsey Campbell | United States | Wrestling | 2012 Summer | |
| Kemoy Campbell | Jamaica | Athletics | 2016 Summer | |
| Ken Campbell | Canada | Swimming | 1968 Summer | |
| Kenneth Campbell | Jamaica | Boxing | 1968 Summer | |
| Lauren Campbell | Canada | Triathlon | 2008 Summer | |
| Lisa Campbell | Australia | Badminton | 1996 Summer | |
| Logan Campbell | New Zealand | Taekwondo | 2008 Summer, 2012 Summer | |
| Luke Campbell | Australia | Volleyball | 2004 Summer | |
| Luke Campbell | Great Britain | Boxing | 2012 Summer | |
| Luke Campbell | Germany | Athletics | 2020 Summer | |
| Madeleine Campbell | Great Britain | Swimming | 1992 Summer | |
| Marvin Campbell | Artistic gymnastics | 1992 Summer | |
| Menzies Campbell | Athletics | 1964 Summer | |
| Michael Campbell | Jamaica | 2004 Summer | |
| Milt Campbell | United States | 1952 Summer, 1956 Summer | |
| Neil Campbell | Canada | Rowing | 1964 Summer, 1968 Summer | |
| Nicola Campbell | New Zealand | Alpine skiing | 2006 Winter | |
| Peter Campbell | United States | Water polo | 1984 Summer, 1988 Summer | |
| Rachelle Campbell | Canada | Athletics | 1976 Summer | |
| Rajindra Campbell | Jamaica | 2024 Summer | |
| Richie Campbell | Australia | Water polo | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Robin Campbell | United States | Athletics | 1984 Summer | |
| Ronald Bruce Campbell | Great Britain | Fencing | 1920 Summer | |
| Sam Campbell | Australia | Equestrian jumping | 1968 Summer | |
| Sandy Campbell | United States | Canoe slalom | 1972 Summer | |
| Sean Campbell | Canada | Field hockey | 2000 Summer | |
| Simoya Campbell | Jamaica | Athletics | 2016 Summer | |
| Taylor Campbell | Great Britain | 2020 Summer | |
| Teniel Campbell | Trinidad and Tobago | Road cycling | 2020 Summer | |
| Tom Campbell | United States | Athletics | 1920 Summer | |
| Tonie Campbell | 1984 Summer, 1988 Summer | |
| Trevor Campbell | Jamaica | 1972 Summer | |
| Walter Campbell | Great Britain | Field hockey | 1908 Summer | |
| William Campbell | Ireland | Shooting | 1972 Summer | |
| Woody Campbell | Canada | Basketball | 1952 Summer | |
| Ian Campbell-Gray | Great Britain | Fencing | 1936 Summer | |
| David Campbell-James | Sailing | 1984 Summer | |
| Annie Campbell-Orde | Rowing | 2024 Summer | |
| Cassie Campbell-Pascall | Canada | Ice hockey | 1998 Winter, 2002 Winter, 2006 Winter | |
| Hannah Campbell-Pegg | Australia | Luge | 2006 Winter, 2010 Winter | |
| Erich Campe | Germany | Boxing | 1932 Summer | |
| Norica Câmpean | Romania | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Fleurette Campeau | Canada | Fencing | 1976 Summer | |
| Piero Campelli | Italy | Football | 1912 Summer, 1920 Summer | |
| Ranieri Campello | Equestrian eventing | 1988 Summer, 1996 Summer | |
| Ranieri, Count Di Campello | 1936 Summer | |
| Julien Van Campenhout | Belgium | Athletics | 1920 Summer | |
| Gonzalo Campero | Argentina | Sailing | 1988 Summer | |
| Raúl Campero | Mexico | Equestrian eventing | 1948 Summer | |
| Bruno Campese | Italy | Ice hockey | 1994 Winter | |
| Horacio Campi | Argentina | Sailing | 1952 Summer | |
| Rocío Campigli | Handball | 2016 Summer | |
| Jorge Campillo | Spain | Golf | 2020 Summer | |
| Filippo Campioli | Italy | Athletics | 2008 Summer | |
| Kévin Campion | France | 2016 Summer, 2020 Summer | |
| Ned Campion | Ireland | Equestrian jumping | 1968 Summer | |
| Richard Campion | Great Britain | Swimming | 1960 Summer | |
| Cosimo Campioto | Italy | Rowing | 1956 Summer | |
| Samuel Campis | Mexico | Basketball | 1976 Summer | |
| Alisa Camplin | Australia | Freestyle skiing | 2002 Winter, 2006 Winter | |
| Alfredo Campo | Ecuador | Cycling BMX racing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Delfín Campo | Spain | Alpine skiing | 1988 Winter | |
| Juan del Campo | Field hockey | 1948 Summer | |
| Juan del Campo | Alpine skiing | 2018 Winter | |
| Ricardo Campo | 1992 Winter | |
| Antonio Campolo | Uruguay | Football | 1928 Summer | |
| Omar Camporese | Italy | Tennis | 1988 Summer, 1992 Summer | |
| Pietro Camporesi | Canoe slalom | 2012 Summer | |
| André Campos | Brazil | Water polo | 1984 Summer | |
| Antonio Campos | Spain | Athletics | 1976 Summer | |
| Carlos Campos | Portugal | Equestrian jumping | 1972 Summer | |
| Carlos Campos | Brazil | Canoe sprint | 2000 Summer | |
| Carmen Campos | Spain | Handball | 2024 Summer | |
| Daniela Campos | Portugal | Road cycling | 2024 Summer | |
| Eladio Campos | Mexico | Athletics | 1968 Summer | |
| Eloy Campos | Peru | Football | 1960 Summer | |
| Emilio Campos | Venezuela | 1980 Summer | |
| Enrique Campos | Road cycling | 1984 Summer, 1988 Summer | |
| Francisca Campos | Chile | Cycling mountain bike | 2008 Summer | |
| Guilherme Campos | Brazil | Rowing | 1976 Summer | |
| Héctor Campos | Argentina | Sailing | 1972 Summer | |
| Héctor Campos | Judo | 2012 Summer | |
| Herminio Campos | Peru | Football | 1960 Summer | |
| João Campos | Portugal | Athletics | 1980 Summer, 1984 Summer | |
| Jorge Campos | Paraguay | Football | 1992 Summer | |
| Jorge Campos | Mexico | 1996 Summer | |
| Jorge Campos | Cuba | Table tennis | 2016 Summer, 2020 Summer, 2024 Summer | |
| José de Campos | Brazil | Rowing | 1932 Summer, 1936 Summer | |
| Juliana Campos | Athletics | 2024 Summer | |
| Kilmar Campos | Venezuela | Judo | 1988 Summer | |
| Laura Campos | Spain | Artistic gymnastics | 2004 Summer, 2008 Summer | |
| Lissandra Campos | Brazil | Athletics | 2024 Summer | |
| Luis Campos | El Salvador | 1984 Summer | |
| Luis Henry Campos | Peru | 2016 Summer, 2020 Summer, 2024 Summer | |
| Luiza Campos | Brazil | Rugby sevens | 2016 Summer, 2020 Summer | |
| Manuel Campos | Portugal | Artistic gymnastics | 2012 Summer | |
| Pablo Juan Campos | Puerto Rico | Weightlifting | 1972 Summer | |
| Rafael Campos | Argentina | Equestrian jumping | 1948 Summer | |
| Rafael Campos | Puerto Rico | Golf | 2020 Summer, 2024 Summer | |
| Ramon Campos Jr. | Philippines | Basketball | 1948 Summer, 1952 Summer, 1956 Summer | |
| Ricardo Campos | Cuba | Field hockey | 1980 Summer | |
| Rosa Irene Campos | Mexico | Sailing | 2004 Summer | |
| Rosicléia Campos | Brazil | Judo | 1992 Summer, 1996 Summer | |
| Tiago Campos | Portugal | Marathon swimming | 2020 Summer | |
| Víctor Hugo Campos | Bolivia | Shooting | 1984 Summer | |
| Walter Campos | Costa Rica | Boxing | 1968 Summer | |
| Astrid Camposeco | Guatemala | Weightlifting | 2012 Summer | |
| Roberto Camposeco | Football | 1968 Summer | |
| Joseph Campot [ Wikidata ] | France | Rowing | 1912 Summer | |
| Alberte de Campou | Athletics | 1952 Summer | |
| Pilar Campoy | Argentina | Field hockey | 2016 Summer, 2024 Summer | |
| Niccolò Campriani | Italy | Shooting | 2008 Summer, 2012 Summer, 2016 Summer | |
| Berny Camps | Netherlands | Archery | 1992 Summer | |
| Jaime Camps | Spain | Athletics | 1920 Summer | |
| Juan Camps | Rowing | 1900 Summer | |
| Magda Camps | Swimming | 1976 Summer | |
| Xavier Camps [ Wikidata ] | Baseball | 1992 Summer | |
| Peppy Campus | Italy | Shooting | 1920 Summer | |
| Giovanni Camputaro | Boxing | 1976 Summer | |
| César Campuzano | Spain | 1928 Summer | |
| Daniela Campuzano | Mexico | Cycling mountain bike | 2016 Summer, 2020 Summer | |
| Pavel Camrda | Czech Republic | 1996 Summer | |
| Catarina Camufal | Angola | Basketball | 2012 Summer | |
| Regina Camumbila | Handball | 2000 Summer | |
| Beatriz Camuñas | Mexico | Swimming | 1976 Summer | |
| Paula Camus | Spain | Water polo | 2024 Summer | |
| Pedro Camus | Football | 1976 Summer | |
| Yves Camus | France | Athletics | 1952 Summer, 1956 Summer | |
| Jean Camuset | Rowing | 1924 Summer | |
| Maurice Camyré | Canada | Boxing | 1936 Summer | |
| Cevdet Can | Turkey | Alpine skiing | 1992 Winter | |
| Eyüp Can | Boxing | 1984 Summer | |
| Sena Can | Shooting | 2024 Summer | |
| Yasemin Can | Athletics | 2016 Summer, 2020 Summer | |
| Kelvin Caña | Venezuela | Fencing | 2016 Summer | |
| Michel Canac | France | Alpine skiing | 1984 Winter | |
| Iñaki Cañal | Spain | Athletics | 2024 Summer | |
| Alberto Canal | Water polo | 1984 Summer | |
| David Canal | Athletics | 2000 Summer, 2004 Summer | |
| Jaime Canalejo | Rowing | 2020 Summer, 2024 Summer | |
| Elia Canales [ Wikidata ] | Archery | 2024 Summer | |
| Fernando Canales | Puerto Rico | Swimming | 1976 Summer, 1984 Summer | |
| Francisco Canales | 1976 Summer | |
| Josué Canales | Spain | Athletics | 2024 Summer | |
| Andreu Canals | Rowing | 1992 Summer | |
| José Canals | Cross country skiing | 1936 Winter | |
| Ezequiel Canário | Portugal | Athletics | 1984 Summer, 1988 Summer | |
| Dario Canas | Shooting | 1920 Summer, 1924 Summer | |
| Guillermo Cañas | Argentina | Tennis | 2008 Summer | |
| Omar Cañas | Colombia | Football | 1992 Summer | |
| Rafael Cañas | Chile | Alpine skiing | 1976 Winter | |
| Jorge Cánaves | Argentina | Equestrian eventing, Equestrian jumping | 1952 Summer, 1964 Summer | |
| Pierre Canavèse | France | Swimming | 1964 Summer | |
| Adhemar Canavesi | Uruguay | Football | 1928 Summer | |
| Ali Canay | Turkey | Boxing | 1976 Summer | |
| Kirkor Canbazyan | Road cycling | 1936 Summer | |
| Vlatko Čančar | Slovenia | Basketball | 2020 Summer | |
| Ángel Cancel | Puerto Rico | 1960 Summer, 1964 Summer, 1968 Summer | |
| José Joaquim Cancela | Portugal | Rowing | 1948 Summer | |
| Fabian Cancellara | Switzerland | Road cycling | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Georges du Hamel de Canchy [ Wikidata ] | France | Equestrian vaulting | 1920 Summer | |
| Guillermo Canciani | Argentina | Shooting | 1936 Summer | |
| Sergio Canciani | Italy | Rowing | 2004 Summer | |
| Marinella Canclini | Short track speed skating | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Carlos de Candamo | Peru | Fencing | 1900 Summer | |
| Nurullah Candan | Turkey | Athletics | 1968 Summer | |
| Muharrem Candaş | Wrestling | 1948 Summer | |
| Marie-Florence Candassamy | France | Fencing | 2016 Summer, 2024 Summer | |
| Hermenegildo Candeias | Portugal | Artistic gymnastics | 1960 Summer | |
| Vincent Candela | France | Football | 1996 Summer | |
| Felicia Candelario | Dominican Republic | Athletics | 1984 Summer | |
| Bibiana Candelas | Mexico | Beach volleyball | 2008 Summer | |
| Yann Candele | Canada | Equestrian jumping | 2016 Summer | |
| Pierre Candelo | France | Shooting | 1968 Summer | |
| Guillaume Candelon | Modern pentathlon | 1920 Summer | |
| Julien Candelon | Rugby sevens | 2016 Summer | |
| Philippe Candeloro | Figure skating | 1994 Winter, 1998 Winter | |
| Adil Candemir | Turkey | Wrestling | 1948 Summer | |
| Édouard Candeveau | Switzerland | Rowing | 1920 Summer, 1924 Summer, 1928 Summer | |
| Leobardo Candiani | Mexico | Fencing | 1932 Summer | |
| Lucas Cândido | Brazil | Handball | 2016 Summer | |
| Maria Rosa Candido | Italy | Short track speed skating | 1992 Winter | |
| Lourdes Candini | Mexico | Artistic swimming | 1984 Summer, 1988 Summer | |
| Susana Candini [ Wikidata ] | 1988 Summer | |
| Juan Carlos Candisano | Argentina | Equestrian eventing | 1996 Summer | |
| John Candler | Great Britain | Diving | 1960 Summer, 1964 Summer | |
| Claudio Candotti | Italy | Field hockey | 1960 Summer | |
| Antonio Candreva | Football | 2008 Summer | |
| Bruno Candrian | Switzerland | Equestrian jumping | 1976 Summer, 1984 Summer | |
| Hans Candrian | Bobsleigh | 1968 Winter, 1972 Winter | |
| Sina Candrian | Snowboarding | 2014 Winter, 2018 Winter | |
| Arthur Candy | New Zealand | Road cycling | 1964 Summer | |
| George Cane | Great Britain | Diving | 1908 Summer | |
| Paolo Canè | Italy | Tennis | 1988 Summer | |
| Paolo Canedi | Bobsleigh | 1992 Winter, 1994 Winter | |
| Ebore Canella | Artistic gymnastics | 1936 Summer | |
| Joan Cañellas | Spain | Handball | 2012 Summer | |
| Fernand Canelle | France | Football | 1900 Summer | |
| Eliécer Canelo | Venezuela | Volleyball | 2020 Summer | |
| Hersony Canelón | Track cycling | 2012 Summer, 2016 Summer | |
| Carlos Canepa | Peru | Swimming | 1964 Summer | |
| Diego Cánepa | Argentina | Canoe sprint | 1996 Summer | |
| Mariano Cánepa | Handball | 2012 Summer | |
| Pino Canessa | Italy | Sailing | 1948 Summer | |
| Albert Canet | France | Tennis | 1912 Summer | |
| Stéphane Canet | Beach volleyball | 2004 Summer | |
| Sylvie Canet | Swimming | 1968 Summer | |
| Carlos Cañete | Argentina | Boxing | 1960 Summer | |
| Guillermo Cañete | Cuba | Water polo | 1968 Summer, 1972 Summer | |
| Santiago Cañete | Spain | Wrestling | 1960 Summer | |
| Kayla Canett | United States | Rugby sevens | 2020 Summer, 2024 Summer | |
| Marina Canetta | Brazil | Archery | 2016 Summer | |
| Marina Canetti | Water polo | 2016 Summer | |
| Romano Caneva | Italy | Boxing | 1928 Summer | |
| Amilcare Canevari | Rowing | 1928 Summer | |
| Angelo Canevari | Art competitions | 1936 Summer | |
| Silvio Canevari | 1936 Summer | |
| María Cangá | Ecuador | Judo | 1992 Summer | |
| Luigi Cangiullo | Italy | Diving | 1924 Summer, 1928 Summer | |
| Marlène Canguio | France | Athletics | 1964 Summer | |
| Ben Canham | Australia | Rowing | 2024 Summer | |
| Christopher Canham | Great Britain | Canoe sprint | 1984 Summer | |
| Mariana Canillas | Paraguay | Athletics | 2000 Summer | |
| Peter Caninenberg | West Germany | Field hockey | 1976 Summer | |
| Maria Canins | Italy | Road cycling | 1984 Summer, 1988 Summer | |
| Tuğçe Canıtez | Turkey | Basketball | 2012 Summer, 2016 Summer | |
| Pierre Canivet | France | Curling | 1924 Winter | |
| Rafael Cañizares | Cuba | Basketball | 1968 Summer, 1972 Summer, 1976 Summer | |
| Uriel Canjura | El Salvador | Badminton | 2024 Summer | |
| Gregor Cankar | Slovenia | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Alberto Canlas | Philippines | Weightlifting | 1960 Summer | |
| Howard Cann | United States | Athletics | 1920 Summer | |
| John Cann | Australia | 1956 Summer | |
| Ray Cann | Great Britain | Diving | 1956 Summer | |
| Achille Canna | Italy | Basketball | 1952 Summer, 1960 Summer | |
| Ferréol Cannard | France | Biathlon | 2002 Winter, 2006 Winter | |
| Fabio Cannavaro | Italy | Football | 1996 Summer | |
| Adolphe Canneson [ Wikidata ] | France | Fencing | 1900 Summer | |
| Curtis Canning | United States | Rowing | 1968 Summer | |
| George Canning | Great Britain | Tug of war | 1920 Summer | |
| Johnny Cannizzaro | Puerto Rico | Shooting | 1976 Summer | |
| Brendon Cannon | Australia | Boxing | 1984 Summer | |
| Malcolm Cannon | Great Britain | Figure skating | 1964 Winter | |
| Robert Cannon | United States | Athletics | 1988 Summer | |
| Domenico Cannone | Italy | Canoe sprint | 1996 Summer | |
| Flavio Cannone | Trampolining | 2004 Summer, 2008 Summer, 2012 Summer | |
| Romain Cannone | France | Fencing | 2020 Summer, 2024 Summer | |
| Aimee Canny | South Africa | Swimming | 2020 Summer, 2024 Summer | |
| Eduardo Cano | Argentina | Equestrian eventing | 1956 Summer | |
| Emilia Cano | Spain | Athletics | 1992 Summer | |
| Félix Manuel Cano | Baseball | 1992 Summer | |
| Gabriel Cano | Mexico | Road cycling | 1988 Summer | |
| Javier Cano | Spain | Rowing | 1992 Summer | |
| Juan Manuel Cano | Argentina | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Magdaleno Cano | Mexico | Road cycling | 1956 Summer | |
| Rodolfo Cano | Guatemala | Judo | 1996 Summer | |
| Stéphanie Cano | France | Handball | 2000 Summer, 2004 Summer, 2008 Summer | |
| Víctor Cano | Spain | Artistic gymnastics | 2000 Summer, 2004 Summer | |
| Giovanni Canova | Italy | Fencing | 1920 Summer, 1924 Summer | |
| Alfonso Cánovas | Spain | Water polo | 1972 Summer | |
| Novica Čanović | Yugoslavia | Athletics | 1984 Summer | |
| Cécile Canqueteau-Landi | France | Artistic gymnastics | 1996 Summer | |
| Shane Cansdell-Sherriff | Australia | Football | 2004 Summer | |
| Guadalupe Canseco | Mexico | Diving | 1980 Summer, 1984 Summer | |
| Agnes Canta | Netherlands | Art competitions | 1932 Summer | |
| Giovanni Cantagalli | Italy | Athletics | 1936 Summer | |
| Luca Cantagalli | Volleyball | 1988 Summer, 1992 Summer, 1996 Summer | |
| Julieta Cantaluppi | Rhythmic gymnastics | 2012 Summer | |
| Françoise Cantamessa | Switzerland | Equestrian dressage | 2000 Summer | |
| Leopoldo Cantancio | Philippines | Boxing | 1984 Summer, 1988 Summer | |
| Lorenzo Cantarello | Italy | Canoe sprint | 1960 Summer | |
| Vasco Cantarello | Rowing | 1960 Summer | |
| Noemi Cantele | Road cycling | 2004 Summer, 2008 Summer, 2012 Summer | |
| Ugo Cantelli | Shooting | 1932 Summer | |
| Al Cantello | United States | Athletics | 1960 Summer | |
| Fernand Canteloube | France | Road cycling | 1920 Summer | |
| Ros Canter | Great Britain | Equestrian eventing | 2024 Summer | |
| Alexis Cantero [ Wikidata ] | Paraguay | Football | 2024 Summer | |
| Patricia Cantero | Spain | Sailing | 2020 Summer | |
| Tunte Cantero | 2000 Summer | |
| Aldo Canti | France, San Marino | Athletics | 1984 Summer, 1992 Summer | |
| Alfonso Canti | Italy | Weightlifting | 1952 Summer | |
| Dominique Canti | San Marino | Athletics | 1988 Summer, 1992 Summer | |
| Daniel Cantillon | United States | Fencing | 1968 Summer | |
| Jean Pierre Cantin | Canada | Judo | 1992 Summer | |
| Serge Cantin | Bobsleigh | 1980 Winter | |
| Sylvie Cantin | Speed skating | 1998 Winter | |
| James Cantion | Great Britain | Rugby | 1900 Summer | |
| Ernesto Canto | Mexico | Athletics | 1984 Summer, 1988 Summer, 1992 Summer | |
| Félix del Canto | Tennis | 1924 Summer | |
| Flávio Canto | Brazil | Judo | 1996 Summer, 2004 Summer | |
| Augusto Cantón | Argentina | Swimming | 1948 Summer | |
| Marta Cantón | Spain | Rhythmic gymnastics | 1984 Summer | |
| Luigi Cantone | Italy | Fencing | 1948 Summer | |
| Attilio Cantoni | Rowing | 1956 Summer | |
| Dan Cantore | United States | Weightlifting | 1972 Summer, 1976 Summer | |
| Anna Maria Cantù | Italy | Athletics | 1948 Summer | |
| Marisela Cantú | Mexico | Artistic gymnastics | 2008 Summer | |
| Christian Cantwell | United States | Athletics | 2008 Summer, 2012 Summer | |
| Judy Canty | Australia | 1948 Summer | |
| Fabien Canu | France | Judo | 1984 Summer, 1988 Summer | |
| Denis Canuel | Canada | Archery | 1988 Summer | |
| Karol-Ann Canuel | Road cycling | 2016 Summer, 2020 Summer | |
| Wilhelm Canword | Netherlands Antilles | Football | 1952 Summer | |
| Paula Lynn Cao Hok | United States | Badminton | 2016 Summer | |
| Cao Guicheng | China | Football | 1936 Summer | |
| Cao Guifeng | Speed skating | 1980 Winter, 1984 Winter | |
| Cao Hui | Archery | 2016 Summer | |
| Cao Lei | Weightlifting | 2008 Summer | |
| Cao Liguo | Wrestling | 2024 Summer | |
| Cao Mianying | Rowing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Cao Ngọc Phương Trinh | Vietnam | Judo | 1996 Summer | |
| Cao Ping | China | Volleyball | 1984 Summer | |
| Cao Qi | Athletics | 2000 Summer | |
| Cao Shuo | 2012 Summer, 2016 Summer | |
| Cao Xianming | Figure skating | 2002 Winter | |
| Cao Xiaobo | Sailing | 1996 Summer | |
| Cao Yifei | Shooting | 2008 Summer, 2016 Summer | |
| Cao Ying | 2000 Summer, 2004 Summer | |
| Cao Yuan | Diving | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Cao Yue | Swimming | 2016 Summer | |
| Cao Zhongrong | Modern pentathlon | 2008 Summer, 2012 Summer, 2016 Summer | |
| Vladislav Čáp | Czechoslovakia | Figure skating | 1948 Winter | |
| Víctor Capacho | Colombia | Wrestling | 1988 Summer | |
| Reto Capadrutt | Switzerland | Bobsleigh | 1932 Winter, 1936 Winter | |
| Libor Capalini | Czech Republic | Modern pentathlon | 2004 Summer | |
| Roger Capan | United States | Speed skating | 1968 Winter | |
| Ricardo Capanema | Brazil | Swimming | 1952 Summer | |
| Catherine Capdevielle | France | Athletics | 1956 Summer, 1960 Summer | |
| Joan Capdevila | Spain | Football | 2000 Summer | |
| Marc Capdevila | Swimming | 1996 Summer | |
| Gustavo Capdeville | Portugal | Handball | 2020 Summer | |
| Anhel Cape | Guinea-Bissau | Athletics | 2000 Summer, 2004 Summer | |
| František Čapek | Czechoslovakia | Canoe sprint | 1948 Summer | |
| František Čapek | Shooting | 1952 Summer, 1956 Summer | |
| Josef Čapek | Football | 1924 Summer | |
| John Capel Jr. | United States | Athletics | 2000 Summer | |
| André Capelle | France | Road cycling | 1912 Summer | |
| Christophe Capelle | Track cycling, Road cycling | 1996 Summer, 2000 Summer | |
| Gilles Capelle | Field hockey | 1972 Summer | |
| Jean-Paul Capelle | 1968 Summer | |
| Roger Capelle | 1952 Summer | |
| Adler Capelli | Italy | Track cycling | 1992 Summer, 1996 Summer, 2000 Summer | |
| Claudio Capelli | Switzerland | Artistic gymnastics | 2008 Summer, 2012 Summer | |
| Vincenzo Capelli | Italy | Rowing | 2012 Summer, 2016 Summer | |
| Nadine Capellmann | Germany | Equestrian dressage | 2000 Summer, 2008 Summer | |
| Ayis Capéronis | Switzerland | Swimming | 1968 Summer | |
| Pano Capéronis | 1964 Summer, 1968 Summer | |
| Geoff Capes | Great Britain | Athletics | 1972 Summer, 1976 Summer, 1980 Summer | |
| Lee Capes | Australia | Field hockey | 1988 Summer | |
| Laurent Capet | France | Volleyball | 2004 Summer | |
| Franca Capetta | Italy | Archery | 1976 Summer, 1980 Summer | |
| Sophie Capewell | Great Britain | Track cycling | 2024 Summer | |
| Roger Capey | New Zealand | Field hockey | 1968 Summer | |
| Andrew Capicik | Canada | Freestyle skiing | 1994 Winter, 1998 Winter, 2002 Winter | |
| Oura Nishida Capiglia [ Wikidata ] | Japan | Sailing | 2024 Summer | |
| Alberto Capilla | Mexico | Diving | 1952 Summer, 1956 Summer | |
| Joaquín Capilla | 1948 Summer, 1952 Summer, 1956 Summer | |
| João Francisco Capindica | Angola | Athletics | 1992 Summer | |
| Mario Capio | Italy | Sailing | 1956 Summer, 1960 Summer, 1964 Summer | |
| Andrei Capitanciuc | Moldova | Swimming | 2004 Summer | |
| Alice Capitani | Italy | Artistic gymnastics | 2000 Summer | |
| Otello Capitani | 1908 Summer | |
| Giulio Capitanio | Cross country skiing | 1976 Winter, 1980 Winter, 1984 Winter | |
| Gianluca Capitano | Track cycling | 1996 Summer | |
| Tereza Čapková | Czech Republic | Athletics | 2012 Summer | |
| Maurice Caplain | France | Rowing | 1928 Summer | |
| Keith Caple | Australia | Weightlifting | 1948 Summer, 1956 Summer | |
| Jean Caplin | Great Britain | Swimming | 1948 Summer | |
| Vlado Čapljić | Yugoslavia | Football | 1984 Summer | |
| Rene Capo | United States | Judo | 1988 Summer, 1996 Summer | |
| Andrew Capobianco | Diving | 2020 Summer, 2024 Summer | |
| Dean Capobianco | Australia | Athletics | 1992 Summer, 1996 Summer | |
| Giuseppe Capogrossi | Italy | Art competitions | 1948 Summer | |
| Nicolás Capogrosso | Argentina | Beach volleyball | 2020 Summer | |
| Jürg Capol | Switzerland | Cross country skiing | 1988 Winter, 1994 Winter | |
| Marco Capone | Italy | Ice hockey | 1984 Winter | |
| Teodorico Caporaso | Athletics | 2016 Summer, 2020 Summer | |
| Josefina Capote | Cuba | Volleyball | 1980 Summer | |
| Rafael Capote | Qatar | Handball | 2016 Summer | |
| Beatriz Capotosto | Argentina | Athletics | 1984 Summer | |
| Gabriela Capová | Czech Republic | Alpine skiing | 2018 Winter, 2022 Winter | |
| Deborah Capozzi | United States | Sailing | 2008 Summer, 2012 Summer | |
| Charlie Capozzoli | Athletics | 1952 Summer | |
| Alessandra Cappa | Italy | Swimming | 2004 Summer | |
| Manuel Cappai | Boxing | 2012 Summer, 2016 Summer | |
| Marco Cappai | Equestrian eventing | 1996 Summer | |
| Jørgen Cappelen | Norway | Rowing | 1972 Summer | |
| Pål Cappelen | Handball | 1972 Summer | |
| Felix Cappella | Canada | Athletics | 1968 Summer | |
| Federico Cappellazzo | Italy | Swimming | 2004 Summer | |
| Giulio Cappelli | Football | 1936 Summer | |
| Anna Cappellini | Figure skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Alessandra Cappellotto | Road cycling | 1996 Summer, 2000 Summer | |
| Valeria Cappellotto | 1992 Summer, 2000 Summer | |
| Ingram Capper | Great Britain | Shooting | 1952 Summer | |
| Emanuele Capponi [ Wikidata ] | Italy | Rowing | 2024 Summer | |
| Tranquilo Cappozzo | Argentina | 1948 Summer, 1952 Summer | |
| Spyros Capralos | Greece | Water polo | 1980 Summer, 1984 Summer | |
| Sergio Caprari | Italy | Boxing | 1952 Summer | |
| Giambattista Capretti | 1968 Summer, 1972 Summer | |
| Jennifer Capriati | United States | Tennis | 1992 Summer | |
| Emilio Caprile | Italy | Football | 1948 Summer | |
| José Raoul de Capriles | United States | Fencing | 1936 Summer, 1948 Summer, 1952 Summer | |
| Miguel de Capriles | 1932 Summer, 1936 Summer, 1948 Summer | |
| Téodoro Capriles | Venezuela | Swimming | 1964 Summer | |
| Corina Căprioriu | Romania | Judo | 2012 Summer, 2016 Summer | |
| Antonella Capriotti | Italy | Athletics | 1988 Summer, 1992 Summer | |
| Anne Capron | France | Artistic swimming | 1988 Summer, 1992 Summer | |
| Marcel Capron | Wrestling | 1924 Summer | |
| Giorgio Caproni | Italy | Art competitions | 1948 Summer | |
| Frank Capsouras | United States | Weightlifting | 1972 Summer | |
| Dumitru Captari | Romania | 2016 Summer | |
| Waldemar Capucci | Brazil | Shooting | 1976 Summer, 1980 Summer, 1984 Summer | |
| Capucho | Portugal | Football | 1996 Summer | |
| João Capucho | Sailing | 1948 Summer | |
| Bautista Capurro | Argentina | Field hockey | 2024 Summer | |
| Santiago Capurro | 1996 Summer, 2000 Summer | |
| Marta Capurso | Italy | Short track speed skating | 2002 Winter, 2006 Winter | |
| Petre Capusta | Romania | Canoe sprint | 1980 Summer | |
| Jennie Caputo | United States | Artistic gymnastics | 1936 Summer | |
| Rinaldo Capuzzi [ Wikidata ] | Italy | Shooting | 1948 Summer | |
| Adriano Capuzzo | Equestrian eventing | 1956 Summer | |
| Oreste Capuzzo | Artistic gymnastics | 1932 Summer, 1936 Summer | |
| Pierre Caque | France | Basketball | 1936 Summer | |