| Name | Nation | Sport | Games | Notes |
|---|
| Ayşe Cora | Turkey | Basketball | 2016 Summer | |
| Ramón Cora | Cuba | Rowing | 1948 Summer | |
| Josip Čorak | Yugoslavia | Wrestling | 1972 Summer | |
| Vivian Coralie | Mauritius | Athletics | 1984 Summer | |
| Edwin Coratti | Italy | Snowboarding | 2018 Winter, 2022 Winter | |
| Artúr Coray | Hungary | Athletics | 1900 Summer | |
| Antonella Corazza | Italy | Rowing | 1984 Summer | |
| Juan Antonio Corbalán | Spain | Basketball | 1972 Summer, 1980 Summer, 1984 Summer | |
| Sofia Corban | Romania | Rowing | 1980 Summer, 1984 Summer | |
| Florin Corbeanu | 2000 Summer, 2004 Summer | |
| Caspar Corbeau | Netherlands | Swimming | 2020 Summer, 2024 Summer | |
| Josée Corbeil | Canada | Volleyball | 1996 Summer | |
| Georges Corbel | France | Field hockey | 1968 Summer, 1972 Summer | |
| Laurie Corbelli | United States | Volleyball | 1984 Summer | |
| Vito Corbelli | San Marino | Road cycling | 1960 Summer | |
| María Corbera | Spain | Canoe sprint | 2024 Summer | |
| Jennifer Corbet | United States | Rowing | 1988 Summer | |
| Kaylene Corbett | South Africa | Swimming | 2020 Summer, 2024 Summer | |
| Watty Corbett | Great Britain | Football | 1908 Summer | |
| Alfred Corbiaux | Belgium | Canoe sprint | 1948 Summer | |
| Harold Corbin | United States | Fencing | 1932 Summer | |
| Gregory Corbitt | Australia | Field hockey | 1992 Summer | |
| Ted Corbitt | United States | Athletics | 1952 Summer | |
| Archibald Corble | Great Britain | Fencing | 1912 Summer, 1924 Summer, 1928 Summer | |
| Carol Corbu | Romania | Athletics | 1972 Summer, 1976 Summer | |
| Michael Corby | Great Britain | Field hockey | 1964 Summer, 1972 Summer | |
| Luis Manuel Corchete | Spain | Athletics | 2020 Summer | |
| Ciro Di Corcia | Italy | Boxing | 2000 Summer | |
| Louise Corcoran | New Zealand | Skeleton | 2006 Winter | |
| Madison Corcoran | Ireland | Canoe slalom | 2024 Summer | |
| Michaela Corcoran | 2024 Summer | |
| Mike Corcoran | 1992 Summer, 1996 Summer | |
| Tom Corcoran | United States | Alpine skiing | 1956 Winter, 1960 Winter | |
| Amélie Cordeau | France | Archery | 2024 Summer | |
| Jean-Pierre Cordebois | Canoe sprint | 1968 Summer, 1972 Summer | |
| André Cordeiro | Brazil | Swimming | 1996 Summer | |
| Domingas Cordeiro | Angola | Handball | 1996 Summer, 2000 Summer | |
| Rob Cordemans | Netherlands | Baseball | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Carlos Cordero | Mexico | Athletics | 2008 Summer, 2012 Summer | |
| Domingo Cordero | Puerto Rico | 1988 Summer, 1992 Summer, 1996 Summer | |
| Eduardo Cordero | Chile | Basketball | 1948 Summer, 1952 Summer | |
| Efraín Cordero | El Salvador | Athletics | 1968 Summer | |
| Irma Cordero | Peru | Volleyball | 1968 Summer, 1976 Summer | |
| Burkhard Cordes | Brazil | Sailing | 1968 Summer, 1972 Summer | |
| Kevin Cordes | United States | Swimming | 2016 Summer | |
| Otto Cordes | Germany | Water polo | 1928 Summer, 1932 Summer | |
| Tom Cordes | Netherlands | Road cycling | 1988 Summer | |
| Edera Cordiale | Italy | Athletics | 1948 Summer, 1952 Summer | |
| Karl Cordin | Austria | Alpine skiing | 1972 Winter | |
| Joe Cordina | Great Britain | Boxing | 2016 Summer | |
| Isaïa Cordinier | France | Basketball | 2024 Summer | |
| Stéphane Cordinier | Handball | 1996 Summer | |
| Robert Cordner | Canada | Canoe sprint | 1952 Summer | |
| Alfredo Córdoba | Mexico | Football | 1948 Summer | |
| Arturo Córdoba | Honduras | Athletics | 1968 Summer | |
| Nicolás Córdoba | Argentina | Artistic gymnastics | 2016 Summer | |
| Cordon [ Wikidata ] | France | Equestrian dressage | 1900 Summer | |
| Guy de Cordon [ Wikidata ] | Equestrian jumping | 1900 Summer | |
| Kevin Cordón | Guatemala | Badminton | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Pilar Lucrecia Cordón | Spain | Equestrian jumping | 2016 Summer | |
| Eugène Cordonnier | France | Artistic gymnastics | 1920 Summer, 1924 Summer | |
| Audrey Cordon-Ragot | Road cycling | 2012 Summer, 2016 Summer, 2024 Summer | |
| Delia Córdova | Peru | Volleyball | 1976 Summer | |
| Francisco Córdova | Puerto Rico | Basketball | 1968 Summer | |
| Samuel Córdova | Mexico | Volleyball | 2016 Summer | |
| Sebastián Córdova | Football | 2020 Summer | |
| Constantin Corduneanu | Romania | Wrestling | 1992 Summer, 1996 Summer | |
| Gheorghe Corduneanu | 1996 Summer | |
| Belinda Cordwell | New Zealand | Tennis | 1988 Summer | |
| Fredy Corea [ Wikidata ] | Nicaragua | Baseball | 1996 Summer | |
| Antonio Corell | Spain | Swimming | 1968 Summer, 1972 Summer | |
| Salvador Corelo | Honduras | 1984 Summer | |
| Lorena Corengia | Argentina | Rowing | 1996 Summer | |
| Albert Corey | United States | Athletics | 1904 Summer | |
| Brendan Corey [ Wikidata ] | Australia | Short track speed skating | 2022 Winter | |
| Melissa Corfe | South Africa | Swimming | 2008 Summer | |
| Antonio Corgos | Spain | Athletics | 1980 Summer, 1984 Summer, 1988 Summer | |
| Federico Coria | Argentina | Tennis | 2020 Summer | |
| Borna Ćorić | Croatia | 2016 Summer | |
| Steve Corica | Australia | Football | 1992 Summer, 1996 Summer | |
| Eugenio Corini | Italy | 1992 Summer | |
| Sergio Corino | Spain | 1996 Summer | |
| Jack Cork | Great Britain | 2012 Summer | |
| James Corkery | Canada | Athletics | 1912 Summer | |
| Steve Corkin | New Zealand | Judo | 1992 Summer, 1996 Summer | |
| Jamie Lynn Corkish | United States | Shooting | 2008 Summer, 2012 Summer | |
| Natalie Corless | Canada | Luge | 2022 Winter | |
| Eduardo Corletti | Argentina | Boxing | 1960 Summer | |
| Christian Cormack | Great Britain | Rowing | 2004 Summer | |
| Appie Corman | Netherlands | Boxing | 1948 Summer | |
| Carole Cormenier | France | Shooting | 2020 Summer, 2024 Summer | |
| Daniel Cormier | United States | Wrestling | 2004 Summer | |
| Marie-Huguette Cormier | Canada | Fencing | 1984 Summer, 1988 Summer | |
| Rhéal Cormier | Baseball | 2008 Summer | |
| Jean-François Corminboeuf | Switzerland | Sailing | 1980 Summer | |
| Ethan Cormont | France | Athletics | 2020 Summer | |
| Giovanni Cornacchia | Italy | 1960 Summer, 1964 Summer, 1968 Summer | |
| Giancarlo Cornaggia-Medici | Fencing | 1928 Summer, 1932 Summer, 1936 Summer | |
| José Cornavaca | Nicaragua | Judo | 1976 Summer | |
| Andrei Cornea | Romania | Rowing | 2024 Summer | |
| Ovidiu Cornea | 2004 Summer | |
| Alfredo Cornejo | Chile | Boxing | 1960 Summer | |
| Cristina Cornejo | Peru | Weightlifting | 2008 Summer | |
| Eduardo Cornejo | Chile | Boxing | 1948 Summer | |
| Guillermo Cornejo | Peru | Shooting | 1956 Summer, 1960 Summer, 1964 Summer | |
| Wendy Cornejo | Bolivia | Athletics | 2016 Summer | |
| Petr Cornelie | France | Basketball | 2020 Summer | |
| Joseph Cornelis | Belgium | Boxing | 1936 Summer | |
| Oscar Cornelis | Wrestling | 1920 Summer | |
| Henk Cornelisse | Netherlands | Track cycling | 1964 Summer | |
| Adelinde Cornelissen | Equestrian dressage | 2012 Summer, 2016 Summer | |
| Ko Cornelissen | Boxing | 1924 Summer | |
| Charles Cornelius | India | Field hockey | 1972 Summer | |
| Everton Cornelius | Antigua and Barbuda | Athletics | 1976 Summer | |
| Jacob Cornelius | United States | Rowing | 2012 Summer | |
| Torleiv Corneliussen | Norway | Sailing | 1912 Summer | |
| Judy Cornell | United States | Swimming | 1952 Summer | |
| Sheila Cornell-Douty | Softball | 1996 Summer, 2000 Summer | |
| Émile Cornellie | Belgium | Sailing | 1920 Summer | |
| Florimond Cornellie | 1920 Summer | |
| Sigrid Corneo | Slovenia | Road cycling | 2008 Summer | |
| Harry Corner | Great Britain | Cricket | 1900 Summer | |
| Gaston Cornereau | France | Fencing | 1924 Summer | |
| Jerry Cornes | Great Britain | Athletics | 1932 Summer, 1936 Summer | |
| Alizé Cornet | France | Tennis | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Bruno Cornet | Paraguay | Fencing | 1996 Summer | |
| Cayetano Cornet | Spain | Athletics | 1988 Summer, 1992 Summer | |
| Francis Cornet | Belgium | Shooting | 1968 Summer, 1972 Summer | |
| George Cornet | Great Britain | Water polo | 1908 Summer, 1912 Summer | |
| Lynda Cornet | Netherlands | Rowing | 1984 Summer | |
| Pedro Cornet | Paraguay | Fencing | 1988 Summer | |
| Renato Cornett | Australia | Boxing | 1984 Summer | |
| George Cornetta | United States | Athletics | 1920 Summer | |
| Frédéric Cornette | France | 1992 Summer | |
| Geoffrey Cornewall | Great Britain | Archery | 1908 Summer | |
| Liberto Corney | Uruguay | Boxing | 1924 Summer | |
| Roger Cornforth | Australia | Water polo | 1948 Summer | |
| Iris Corniani | Italy | Swimming | 1976 Summer | |
| Émile Cornic | France | Fencing | 1928 Summer | |
| Sheree Corniel | Puerto Rico | Softball | 1996 Summer | |
| Ruddy Cornielle | Dominican Republic | Athletics | 1984 Summer | |
| Chris Corning | United States | Snowboarding | 2018 Winter, 2022 Winter | |
| Lionel Cornish | Great Britain | Athletics | 1908 Summer | |
| Dominique Cornu | Belgium | Track cycling | 2012 Summer | |
| Jean-Claude Cornu | France | Sailing | 1960 Summer | |
| René Cornu | Swimming | 1948 Summer | |
| Bàrbara Cornudella | Spain | Sailing | 2016 Summer | |
| Serge Cornut | France | Equestrian dressage | 1992 Summer | |
| María Corominas | Spain | Swimming | 1968 Summer | |
| Adriana Corona | Mexico | Triathlon | 2008 Summer | |
| Alessandro Corona | Italy | Rowing | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| José de Jesús Corona | Mexico | Football | 2004 Summer, 2012 Summer | |
| Evaristo Coronado | Costa Rica | 1984 Summer | |
| Luis Coronado | Guatemala | Weightlifting | 1992 Summer | |
| Stefany Coronado | Bolivia | Athletics | 2016 Summer | |
| Francisco Coronel | Mexico | Road cycling | 1964 Summer | |
| Mariela Coronel | Argentina | Football | 2008 Summer | |
| Vasile Coroş | Romania | Speed skating | 1980 Winter | |
| Christer Corpi | Sweden | Boxing | 1980 Summer, 1984 Summer | |
| Tom Corr | Ireland | 1984 Summer | |
| Ernesto Corradi | Italy | Modern pentathlon | 1924 Summer | |
| Giuseppe Corradi | Football | 1952 Summer | |
| Gino Corradini | Weightlifting | 1968 Summer | |
| Gian Corrado Gross | Swimming | 1964 Summer | |
| Daniel Corral | Mexico | Artistic gymnastics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Raquel Corral | Spain | Artistic swimming | 2004 Summer, 2008 Summer | |
| Cristóbal Corrales | Honduras | Athletics | 1968 Summer | |
| Manuel Corrales | Spain | Shooting | 1932 Summer | |
| Ramiro Corrales | United States | Football | 2000 Summer | |
| Rodrigo Corrales | Spain | Handball | 2020 Summer, 2024 Summer | |
| Jean-Claude Corre | France | Athletics | 1988 Summer | |
| Alonso Correa | Peru | Surfing | 2024 Summer | |
| Ana Beatriz Corrêa | Brazil | Volleyball | 2020 Summer | |
| Ángel Correa | Argentina | Football | 2016 Summer | |
| Charles Corrêa | Brazil | Canoe slalom | 2016 Summer | |
| Darwin Correa | Uruguay | Canoe sprint | 2004 Summer | |
| Emilio Correa | Cuba | Boxing | 1972 Summer, 1976 Summer | |
| Emilio Correa | 2008 Summer | |
| Fernando Correa | Venezuela | Road cycling | 1984 Summer | |
| Harold Correa | France | Athletics | 2016 Summer | |
| Javier Correa | Argentina | Canoe sprint | 1996 Summer, 2000 Summer, 2004 Summer | |
| Luciano Corrêa | Brazil | Judo | 2008 Summer, 2012 Summer | |
| Luis Correa | Chile | Boxing | 1924 Summer | |
| Matheus Corrêa | Brazil | Athletics | 2020 Summer, 2024 Summer | |
| Miguel Correa | Argentina | Canoe sprint | 2008 Summer, 2012 Summer | |
| Salvador Correa | Bobsleigh | 1948 Winter | |
| Vanina Correa | Football | 2008 Summer | |
| Maritza Corredor | Colombia | Road cycling | 1996 Summer | |
| João Barrento | Portugal | Equestrian jumping | 1948 Summer | |
| Alphonso Correia | Guyana | Weightlifting | 1948 Summer | |
| António Correia | Portugal | Sailing | 1972 Summer, 1984 Summer | |
| Breno Correia | Brazil | Swimming | 2020 Summer, 2024 Summer | |
| Fernando Correia | Portugal | Fencing | 1912 Summer, 1920 Summer | |
| Jean-Luc Correia | France | Rowing | 1972 Summer | |
| José Manuel Correia | Portugal | Water polo | 1952 Summer | |
| Maritza Correia | United States | Swimming | 2004 Summer | |
| Paulo Roberto Correia | Brazil | Athletics | 1980 Summer, 1984 Summer | |
| David Corrente | Canada | Baseball | 2008 Summer | |
| Àlex Corretja | Spain | Tennis | 2000 Summer | |
| Marie Corridon | United States | Swimming | 1948 Summer | |
| Heather Corrie | Canoe slalom | 2008 Summer | |
| James Corrigan | Athletics | 2024 Summer | |
| Alysha Corrigan | Canada | Rugby sevens | 2024 Summer | |
| Kathleen Corrigan | United States | Artistic gymnastics | 1964 Summer | |
| Liam Corrigan | Rowing | 2020 Summer, 2024 Summer | |
| Lisa Corrigan | Australia | Athletics | 2008 Summer | |
| Ross Corrigan | Ireland | Rowing | 2024 Summer | |
| Tania Corrigan | New Zealand | Shooting | 2000 Summer | |
| Susan Corrock | United States | Alpine skiing | 1972 Winter | |
| Dan Corry | Ireland | Equestrian jumping | 1948 Summer | |
| Amerigo Corsanego | Italy | Wrestling | 1920 Summer | |
| Mirko Corsano | Volleyball | 2000 Summer, 2008 Summer | |
| George Corsar | Great Britain | Road cycling | 1912 Summer | |
| Gianni Corsaro | Italy | Athletics | 1948 Summer, 1960 Summer | |
| Adolfo Corsi | Track cycling | 1928 Summer | |
| Cristiana Corsi | Taekwondo | 2000 Summer, 2004 Summer | |
| Robin Corsiglia | Canada | Swimming | 1976 Summer | |
| Claudia Corsini | Italy | Modern pentathlon | 2004 Summer, 2008 Summer | |
| Joe Corso | United States | Wrestling | 1976 Summer | |
| James Corson | Athletics | 1928 Summer | |
| Marilyn Corson | Canada | Swimming | 1968 Summer, 1972 Summer | |
| Shayne Corson | Ice hockey | 1998 Winter | |
| Gail Cort | Rowing | 1976 Summer, 1984 Summer | |
| José Luis Corta | Spain | 1980 Summer | |
| Nadia Cortassa | Italy | Triathlon | 2004 Summer | |
| Francisco Cortés Juncosa | Spain | Field hockey | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Enrique Cortés Pes | Baseball | 1992 Summer | |
| Alain Cortes | France | Modern pentathlon | 1976 Summer, 1980 Summer | |
| Alma Cortes [ Wikidata ] | Mexico | Athletics | 2024 Summer | |
| Federico Cortés | Argentina | Road cycling | 1960 Summer | |
| Félix Cortes | Philippines | Shooting | 1952 Summer | |
| Francisco Cortes | Chile | Alpine skiing | 1960 Winter, 1964 Winter | |
| Gerardo Cortes Sr. | Modern pentathlon | 1956 Summer | |
| Gerardo Cortes Jr. | 1988 Summer | |
| Javier Cortés | Mexico | Football | 2012 Summer | |
| Omar Cortés | Spain | Artistic gymnastics | 2000 Summer | |
| Onix Cortés | Cuba | Judo | 2012 Summer | |
| Peter Cortes | United States | Rowing | 1976 Summer | |
| Ramiro Cortés | Uruguay | Basketball | 1956 Summer | |
| Armando Cortesão | Portugal | Athletics | 1912 Summer | |
| Marisa Cortesi | Switzerland | Equestrian eventing | 2004 Summer | |
| Omer Corteyn | Belgium | Athletics | 1920 Summer | |
| Edgar Cortez | Nicaragua | 2012 Summer | |
| Hernán Cortez | Bolivia | Weightlifting | 1988 Summer | |
| Joana Cortez | Brazil | Tennis | 2000 Summer | |
| Lorenzo Cortez | Philippines | Swimming | 1960 Summer | |
| Antonio Corti | Argentina | Boxing | 1984 Summer | |
| Auguste Corti | Switzerland | Wrestling | 1924 Summer | |
| Mario Cortiello | Italy | Art competitions | 1948 Summer | |
| Hélène Cortin | France | Rowing | 1992 Summer, 1996 Summer | |
| Chus Cortina | Mexico | Alpine skiing | 1992 Winter | |
| Javier Cortina | Cuba | Wrestling | 2012 Summer, 2016 Summer | |
| Manuel Cortina | Mexico | Canoe sprint | 2008 Summer | |
| Oscar Cortínez | Argentina | Athletics | 2000 Summer | |
| Jane Cortis | Australia | Swimming | 1964 Summer | |
| George Cortlever | Netherlands | Swimming, Water polo | 1908 Summer, 1920 Summer | |
| Clodomiro Cortoni | Argentina | Track cycling | 1948 Summer, 1952 Summer | |
| Richard Cortright | United States | 1952 Summer, 1956 Summer, 1960 Summer | |
| Richard Corts | Germany | Athletics | 1928 Summer | |
| Leo Cortsen | Denmark | Wrestling | 1952 Summer | |
| Dora Corty-Mönkemeyer | Germany | Art competitions | 1936 Summer | |
| Jean-Pierre Corval | France | Athletics | 1972 Summer, 1976 Summer | |
| Silvia Corvalán | Argentina | Field hockey | 1996 Summer | |
| Inocenta Corvea | Cuba | Basketball | 1980 Summer | |
| Lucas Corvée | France | Badminton | 2024 Summer | |
| Enzo Corvi | Switzerland | Ice hockey | 2018 Winter, 2022 Winter | |
| André Corvington | Haiti | Fencing | 1900 Summer | |
| Charles B. Cory | United States | Golf | 1904 Summer | |
| George Cosac | Romania | Tennis | 1992 Summer | |
| Jessica Cosby | United States | Athletics | 2008 Summer, 2012 Summer | |
| Andrew Coscoran | Ireland | 2020 Summer, 2024 Summer | |
| Aldo Cosentino | France | Boxing | 1968 Summer, 1972 Summer, 1976 Summer | |
| Antonio Cosentino | Italy | Sailing | 1952 Summer, 1956 Summer, 1960 Summer | |
| Cristina Cosentino | Argentina | Field hockey | 2024 Summer | |
| Egidio Cosentino | Italy | 1952 Summer | |
| Renato Cosentino | Sailing | 1936 Summer, 1948 Summer | |
| Tony Cosey | United States | Athletics | 2000 Summer | |
| Cormic Cosgrove | Football | 1904 Summer | |
| Osman Coşgül | Turkey | Athletics | 1952 Summer | |
| Aleksandar Ćosić | Yugoslavia | 1948 Summer | |
| Krešimir Ćosić | Basketball | 1968 Summer, 1972 Summer, 1976 Summer, 1980 Summer | |
| Miro Ćosić | Bosnia and Herzegovina | Biathlon | 2006 Winter | |
| Zoran Ćosić | Yugoslavia | 1984 Winter, 1992 Winter | |
| Guillermo Cosio | Mexico | Football | 1976 Summer | |
| Claudia Coslovich | Italy | Athletics | 2000 Summer, 2004 Summer | |
| Adrian Cosma | Romania | Handball | 1972 Summer, 1976 Summer, 1980 Summer | |
| Alexandru Cosma | Weightlifting | 1952 Summer | |
| Ion Cosma | Road cycling | 1960 Summer, 1964 Summer | |
| Lilia Cosman | Artistic gymnastics | 2024 Summer | |
| Sampson Cosmas | Nigeria | Weightlifting | 1980 Summer | |
| Jean Cosmat | France | Rowing | 1936 Summer | |
| Massimo Cosmelli | Italy | Basketball | 1968 Summer | |
| Marian Cosmescu | Romania | Modern pentathlon | 1972 Summer | |
| Benoît Cosnefroy | France | Road cycling | 2020 Summer | |
| Charlie Cosnier | Snowboarding | 2002 Winter | |
| Costel Coșniță | Romania | Canoe sprint | 1972 Summer | |
| Carlos del Coso | Spain | Field hockey | 1960 Summer, 1964 Summer, 1968 Summer | |
| Andrea Coss | Australia | Rowing | 1992 Summer | |
| Orlando Cossani | Argentina | Swimming | 1952 Summer | |
| Rose Cossar | Canada | Rhythmic gymnastics | 2012 Summer | |
| Christopher Cosser | South Africa | Sport climbing | 2020 Summer | |
| Agostino Cossia | Italy | Boxing | 1956 Summer | |
| Arantxa Cossío [ Wikidata ] | Mexico | Table tennis | 2024 Summer | |
| José Cossio | Spain | Swimming | 1960 Summer | |
| Francesco Cossu | Italy | Rowing | 1932 Summer | |
| Bruna Alexandre | Brazil | Table tennis | 2024 Summer | |
| Valentina Costa Biondi | Argentina | Field hockey | 2020 Summer | |
| Adrian Costa | Australia | Freestyle skiing | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Afonso Costa | Portugal | Rowing | 2020 Summer | |
| Afrânio da Costa | Brazil | Shooting | 1920 Summer | |
| Albert Costa | Spain | Tennis | 1996 Summer, 2000 Summer | |
| André Costa | Brazil | Rowing | 1996 Summer | |
| Antoine Costa | France | Artistic gymnastics | 1908 Summer, 1912 Summer | |
| Armando Costa | Angola | Basketball | 2008 Summer | |
| Artur Costa | Portugal | Swimming | 1988 Summer, 1992 Summer | |
| Arturo Costa | Cuba | Shooting | 1968 Summer, 1972 Summer | |
| Bruno De Costa | Canada | 1972 Summer | |
| Calisto da Costa | Independent Olympians | Athletics | 2000 Summer | |
| Carlos Costa | Spain | Tennis | 1996 Summer | |
| Catarina Costa | Portugal | Judo | 2020 Summer, 2024 Summer | |
| Chiara Costa | Senegal | Shooting | 2020 Summer | |
| Cláudia Costa | Brazil | Artistic gymnastics | 1980 Summer | |
| Diogo Costa | Portugal | Sailing | 2020 Summer, 2024 Summer | |
| Eduardo Costa | Mozambique | Athletics | 1980 Summer | |
| Eduardo Costa | Argentina | Judo | 2000 Summer, 2004 Summer, 2008 Summer | |
| Eliani da Costa | Brazil | Volleyball | 1984 Summer, 1988 Summer | |
| Enrico Costa | Italy | Bobsleigh | 1998 Winter | |
| Fernando Costa | Portugal | Swimming | 2004 Summer, 2008 Summer | |
| Francesca Costa | Italy | Artistic gymnastics | 1960 Summer | |
| Francesco Costa | Bobsleigh | 2014 Winter, 2018 Winter | |
| Gareth Costa | South Africa | Rowing | 1996 Summer | |
| Guilherme Costa | Brazil | Swimming, Marathon swimming | 2020 Summer, 2024 Summer | |
| Héctor Costa | Uruguay | Basketball | 1952 Summer, 1956 Summer, 1960 Summer | |
| Joana Costa | Brazil | Athletics | 2016 Summer | |
| João Costa | Portugal | Fencing | 1948 Summer, 1952 Summer | |
| João Costa | Shooting | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| João Costa [ Wikidata ] | Swimming | 2024 Summer | |
| Joaquina Costa | Spain | Canoe sprint | 1992 Summer | |
| Jorge Costa | Portugal | Athletics | 2004 Summer | |
| José da Costa | Brazil | Volleyball | 1964 Summer, 1968 Summer | |
| José Costa | Portugal | Sailing | 2016 Summer, 2020 Summer | |
| José Palhares Costa | Athletics | 1928 Summer | |
| Karla Costa | Brazil | Basketball | 2004 Summer, 2008 Summer, 2012 Summer | |
| Keila Costa | Athletics | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Lazaro Costa | Cuba | Water polo | 1976 Summer, 1980 Summer | |
| Leonardo Costa | Brazil | Swimming | 2000 Summer | |
| Luís Costa | Angola | Basketball | 2008 Summer | |
| Luis Antonio Costa | Argentina | Field hockey | 1976 Summer | |
| Manuel da Costa | Portugal | Shooting | 1964 Summer | |
| Manuel da Costa | Equestrian jumping | 1988 Summer | |
| Maria da Costa | Brazil | Swimming | 1948 Summer | |
| Maria Fernanda Costa | 2024 Summer | |
| Marlenis Costa | Cuba | Volleyball | 1992 Summer, 1996 Summer, 2000 Summer | |
| Melani Costa | Spain | Swimming | 2008 Summer, 2012 Summer, 2016 Summer | |
| Miguel Costa [ Wikidata ] | Portugal | Sailing | 1996 Summer | |
| Narciso Costa | Brazil | Athletics | 1924 Summer | |
| Nyeme Costa | Volleyball | 2024 Summer | |
| Paul Costa | Australia | Freestyle skiing | 1994 Winter | |
| Pedro Costa | Portugal | Sailing | 2020 Summer | |
| Rayssa Costa | Brazil | Fencing | 2016 Summer | |
| Renata Costa | Football | 2004 Summer, 2008 Summer, 2012 Summer | |
| Ricardo Costa | Portugal | 2004 Summer | |
| Ronaldo da Costa | Brazil | Athletics | 1996 Summer | |
| Rosa Costa | Spain | Artistic swimming | 1984 Summer | |
| Rui Costa | Portugal | Road cycling | 2012 Summer, 2016 Summer, 2024 Summer | |
| Salvador Costa | Spain | Rowing | 1952 Summer | |
| Samuel Costa | Italy | Nordic combined | 2014 Winter, 2022 Winter | |
| Silvia Costa | Cuba | Athletics | 1992 Summer | |
| Susana Costa | Portugal | 2016 Summer | |
| Thalia Costa | Brazil | Rugby sevens | 2020 Summer, 2024 Summer | |
| Thalita Costa | 2020 Summer, 2024 Summer | |
| Venancio Costa | Spain | Volleyball | 1992 Summer | |
| Vítor Costa | Portugal | Athletics | 2000 Summer, 2004 Summer | |
| Walter Costa | Angola | Basketball | 2004 Summer | |
| Tamara Costache | Romania | Swimming | 1988 Summer | |
| Carolina Costagrande | Italy | Volleyball | 2012 Summer | |
| Anna Costalunga | Basketball | 1992 Summer | |
| Costantino Costantini | Art competitions | 1936 Summer | |
| Dino Costantini | Equestrian eventing | 1972 Summer, 1988 Summer | |
| Massimo Costantini | Table tennis | 1988 Summer | |
| Francesco Costantino | Wrestling | 1996 Summer | |
| Salvatore Costantino | Athletics | 1948 Summer | |
| Tommaso Costantino | Fencing | 1920 Summer | |
| Francisco Costanzo | Uruguay | Boxing | 1936 Summer | |
| Francisco Costas | Mexico | Athletics | 1928 Summer | |
| Humberto Costas | Spain | Sailing | 1976 Summer | |
| Juan Costas | 1976 Summer, 1988 Summer | |
| Chiara Costazza | Italy | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Alin Coste | Romania | Swimming | 2016 Summer | |
| Arturo Coste | Mexico | Water polo | 1952 Summer | |
| Charles Coste | France | Track cycling | 1948 Summer | |
| Émile Coste | Fencing | 1900 Summer | |
| Jorge Coste | Mexico | Water polo | 1976 Summer | |
| Mihai Coste | Romania | Volleyball | 1964 Summer | |
| Bianca Costea | Swimming | 2020 Summer | |
| Marian Costea | Ice hockey | 1976 Winter, 1980 Winter | |
| Amy Costello | Great Britain | Field hockey | 2024 Summer | |
| Pat Costello | United States | Rowing | 1952 Summer, 1956 Summer | |
| Paul Costello | 1920 Summer, 1924 Summer, 1928 Summer | |
| Robert Costello | Equestrian eventing | 2000 Summer | |
| Victor Costello | Ireland | Athletics | 1992 Summer | |
| Julio César Costemalle | Uruguay | Water polo | 1936 Summer, 1948 Summer | |
| Dick Coster | Netherlands | Sailing | 1980 Summer | |
| Elizabeth Coster | New Zealand | Swimming | 2004 Summer, 2008 Summer | |
| Kalle Coster | Netherlands | Sailing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Sven Coster | 2004 Summer, 2008 Summer, 2012 Summer | |
| Loïc Costerg | France | Bobsleigh | 2014 Winter, 2018 Winter | |
| Nick Costes | United States | Athletics | 1956 Summer | |
| Grigore Costescu | Romania | Basketball | 1952 Summer | |
| Daniela Costian | Australia | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Candy Costie | United States | Artistic swimming | 1984 Summer | |
| Sandra Costigan | Field hockey | 1988 Summer | |
| Carlo Costigliolo [ Wikidata ] | Italy | Artistic gymnastics | 1920 Summer | |
| Luigi Costigliolo [ Wikidata ] | 1920 Summer | |
| Jamie Costin | Ireland | Athletics | 2000 Summer, 2008 Summer | |
| Paulo Costinha | Portugal | Football | 1996 Summer | |
| Paolo Costoli | Italy | Swimming | 1928 Summer, 1932 Summer | |
| Bernadette Coston | South Africa | Field hockey | 2012 Summer | |
| Viorel Costraş | Romania | Water polo | 1980 Summer | |
| Tanguy Cosyns | Belgium | Field hockey | 2016 Summer | |
| Frane Cota | Yugoslavia | Art competitions | 1924 Summer | |
| Constantin Cotacu | Romania | Bobsleigh | 1964 Winter | |
| Alain Côté | Canada | Fencing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Andrée-Anne Côté | Artistic swimming | 2020 Summer | |
| Aubert Côté | Wrestling | 1908 Summer | |
| Caroline Côté | Volleyball | 1984 Summer | |
| Chantal Côté | Speed skating | 1988 Winter | |
| Gérard Côté | Athletics | 1948 Summer | |
| Langis Côté | Weightlifting | 1988 Summer | |
| Paul Côté | Sailing | 1972 Summer | |
| Dimitri Goanță | Romania | Water polo | 2012 Summer | |
| Waldemar Cotelo | Uruguay | Athletics | 1996 Summer | |
| Elio Cotena | Italy | Boxing | 1968 Summer | |
| Antonio Cotichini [ Wikidata ] | Artistic gymnastics | 1908 Summer | |
| Wilfredo Coto | Cuba | Shooting | 1948 Summer | |
| Jacques Cotot | France | Boxing | 1960 Summer, 1964 Summer | |
| Samuele Cottafava [ Wikidata ] | Italy | Beach volleyball | 2024 Summer | |
| Olivier Cotte | France | Freestyle skiing | 1994 Winter, 1998 Winter | |
| Stéphanie Cottel | Rhythmic gymnastics | 1988 Summer | |
| Joni Cotten | United States | Curling | 2002 Winter | |
| Edward Cotter | Canada | Athletics | 1908 Summer | |
| Geoff Cotter | New Zealand | Rowing | 1988 Summer | |
| James Cotterell [ Wikidata ] | Great Britain | Artistic gymnastics | 1908 Summer, 1920 Summer | |
| Johnno Cotterill | Australia | Water polo | 2012 Summer, 2016 Summer | |
| Mary-Anne Cotterill | Great Britain | Swimming | 1964 Summer | |
| Thomas Fremantle, 3rd Baron Cottesloe | Shooting | 1908 Summer | |
| Jean Cottez | France | Rowing | 1936 Summer | |
| Aleksandra Cotti | Italy | Water polo | 2012 Summer, 2016 Summer | |
| Frédéric Cottier | France | Equestrian jumping | 1984 Summer, 1988 Summer | |
| Gérald Cottier | Switzerland | Basketball | 1952 Summer | |
| Pierre Cottier | Weightlifting | 1936 Summer | |
| De Cottignon | France | Sailing | 1900 Summer | |
| Bob Cottingham | United States | Fencing | 1988 Summer, 1992 Summer | |
| John Cottle | New Zealand | Equestrian jumping | 1984 Summer, 1988 Summer | |
| Simon Cottle | Great Britain | Rowing | 2004 Summer | |
| Héctor Cotto | Puerto Rico | Athletics | 2008 Summer, 2012 Summer | |
| José Cotto | Boxing | 1996 Summer | |
| Miguel Cotto | 2000 Summer | |
| Serge Van Cottom | Belgium | Weightlifting | 1980 Summer | |
| Amy Cotton | Canada | Judo | 2004 Summer, 2012 Summer | |
| Bernie Cotton | Great Britain | Field hockey | 1972 Summer | |
| John Cotton | United States | Baseball | 2000 Summer | |
| Rebecca Cotton | New Zealand | Basketball | 2000 Summer, 2004 Summer | |
| Shirley Cotton | Australia | Athletics | 1956 Summer | |
| Joe Cottrill | Great Britain | 1912 Summer | |
| Madeleine Cotty | France | Art competitions | 1924 Summer | |
| Vlad Cotuna | Romania | Artistic gymnastics | 2012 Summer | |
| Emmanuelle Coubat | France | Table tennis | 1992 Summer, 1996 Summer | |
| Pierre de Coubertin | Germany | Art competitions | 1912 Summer | |
| Jean-Claude Coucardon | France | Rowing | 1972 Summer, 1976 Summer | |
| Liz Couch | New Zealand | Skeleton | 2002 Winter | |
| Risdon Couch [ Wikidata ] | Great Britain | Wrestling | 1908 Summer | |
| Sharon Couch | United States | Athletics | 1992 Summer, 2000 Summer | |
| Tonia Couch | Great Britain | Diving | 2008 Summer, 2012 Summer, 2016 Summer | |
| John Couchman | Rowing | 1936 Summer | |
| Paulien Couckuyt | Belgium | Athletics | 2020 Summer, 2024 Summer | |
| Coucou [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Jacques Couderc de Fonlongue | Equestrian jumping | 1928 Summer | |
| Céline Couderc | Swimming | 2004 Summer, 2008 Summer | |
| Gilles Coudray | Republic of the Congo | 1992 Summer | |
| Tiana Coudray | United States | Equestrian eventing | 2012 Summer | |
| Bryn Coudraye | Australia | Rowing | 2012 Summer | |
| Louis Coudurier [ Wikidata ] | France | Fencing | 1900 Summer | |
| Carole Couesnon | Shooting | 1996 Summer | |
| Charles-Philbert de Couët de Lorry | Equestrian eventing | 1952 Summer | |
| Michel Cougé | Football | 1976 Summer | |
| Aoife Coughlan | Australia | Judo | 2020 Summer, 2024 Summer | |
| Angela Coughlan | Canada | Swimming | 1968 Summer | |
| Eoin Coughlan | Australia | Judo | 2016 Summer | |
| Gerry Coughlan | Ireland | Athletics | 1928 Summer | |
| James Coughlan | New Zealand | Field hockey | 2016 Summer | |
| Peter Coughlan | Australia | Swimming | 1976 Summer | |
| Natalie Coughlin | United States | 2004 Summer, 2008 Summer, 2012 Summer | |
| Paul Couillaud | France | Athletics | 1924 Summer | |
| Bilal Coulibaly | Basketball | 2024 Summer | |
| Ismaël Coulibaly | Mali | Taekwondo | 2016 Summer, 2024 Summer | |
| Kafoumba Coulibaly | Ivory Coast | Football | 2008 Summer | |
| Mamadou Coulibaly | Mali | Judo | 1992 Summer | |
| Mohamed Coulibaly | Swimming | 2008 Summer | |
| Moussa Coulibaly | Football | 2004 Summer | |
| Naîgnouma Coulibaly | Basketball | 2008 Summer | |
| Raymond Coulibaly [ Wikidata ] | Judo | 1972 Summer | |
| Yoyaga Coulibaly | Ivory Coast | Athletics | 1964 Summer, 1968 Summer | |
| Joanna Coull | Great Britain | Swimming | 1988 Summer | |
| Robert Coull | Track cycling | 1988 Summer | |
| François Coulombe-Fortier | Canada | Taekwondo | 2012 Summer | |
| Henri de Coulombiers [ Wikidata ] | France | Equestrian jumping | 1900 Summer | |
| Eugène Coulon | Water polo | 1900 Summer | |
| Eugène Coulon | Athletics | 1920 Summer | |
| Michel Coulon | Belgium | Road cycling | 1968 Summer | |
| Raymond Coulon | France | Art competitions | 1948 Summer | |
| D'Arcy Coulson | Canada | Luge | 1968 Winter | |
| Dudley Coulson | Kenya | Field hockey | 1956 Summer | |
| Rowan Coultas | Great Britain | Snowboarding | 2018 Winter | |
| Allan Coulter | Canada | Volleyball | 1984 Summer, 1992 Summer | |
| Chan Coulter | United States | Athletics | 1924 Summer | |
| Raymond Coulter | Shooting | 1924 Summer | |
| Thomas Coulter | Canada | Athletics | 1932 Summer | |
| Bill Coulthard | Basketball | 1952 Summer | |
| Jean Coulthard | Art competitions | 1948 Summer | |
| Shaun Coulton | Australia | Rowing | 2004 Summer | |
| André Coumans | Belgium | Equestrian jumping | 1920 Summer | |
| Mel Counts | United States | Basketball | 1964 Summer | |
| Monique Coupat | France | Rowing | 1988 Summer | |
| Pierre Couquelet | Belgium | Alpine skiing | 1984 Winter | |
| René la Cour | Denmark | Sailing | 1948 Summer | |
| Troels la Cour | 1948 Summer | |
| Georgia Courage-Gardiner | Australia | Artistic swimming | 2024 Summer | |
| Laurent Couraire-Delage | France | Sailing | 1984 Summer, 1988 Summer | |
| Charles Courant | Switzerland | Wrestling | 1920 Summer, 1924 Summer | |
| Yvette Courault | France | Shooting | 1984 Summer | |
| Félicien Courbet | Belgium | Swimming, Water polo | 1908 Summer, 1912 Summer, 1920 Summer | |
| Raoul Courbin | France | Football | 1948 Summer | |
| Courder | Track cycling | 1920 Summer | |
| Jim Courier | United States | Tennis | 1992 Summer | |
| Henri Cournollet | France | Curling | 1924 Winter | |
| Charle Cournoyer | Canada | Short track speed skating | 2014 Winter, 2018 Winter | |
| René Cournoyer | Artistic gymnastics | 2020 Summer, 2024 Summer | |
| Albert Courquin | France | Shooting | 1908 Summer, 1924 Summer | |
| Didier Courrèges | Equestrian eventing | 2004 Summer | |
| Louis Courron | Athletics | 1948 Summer | |
| Clova Court | Great Britain | 1992 Summer | |
| Jean-François Court | France | Wrestling | 1984 Summer, 1988 Summer | |
| John Court | Great Britain | Canoe slalom | 1972 Summer | |
| Joyce Court | Canada | Swimming | 1948 Summer | |
| Pierre Court | France | Field hockey | 1960 Summer | |
| Léon Courtejaire | Athletics | 1924 Summer | |
| Jacky Courtillat | Fencing | 1960 Summer, 1964 Summer | |
| Charles Courtin | Athletics | 1920 Summer | |
| John Courtis | Great Britain | Boxing | 1924 Summer | |
| Karen Courtland | United States | Figure skating | 1994 Winter | |
| Percy Courtman | Great Britain | Swimming | 1908 Summer, 1912 Summer | |
| Russ Courtnall | Canada | Ice hockey | 1984 Winter | |
| Frank Courtney | Rowing | 1932 Summer | |
| J. Ira Courtney | United States | Athletics | 1912 Summer | |
| Joanne Courtney | Canada | Curling | 2018 Winter | |
| Kate Courtney | United States | Cycling mountain bike | 2020 Summer | |
| Tom Courtney | Athletics | 1956 Summer | |
| Adrien Courtois | France | 1936 Summer | |
| Charles Courtois | Artistic gymnastics | 1908 Summer | |
| Didier Courtois | Figure skating | 1988 Winter | |
| Émile Courtois | Belgium | Wrestling | 1952 Summer | |
| Laurence Courtois | Tennis | 1996 Summer | |
| Louis Courtois | France | Bobsleigh | 1968 Winter | |
| Jim Courtright | Canada | Athletics | 1936 Summer | |
| René Courvoisier | Switzerland | Field hockey | 1936 Summer | |
| E. Irving Couse | United States | Art competitions | 1928 Summer, 1932 Summer | |
| Cousin [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Marcel Cousin | Tennis | 1924 Summer | |
| Pierre Cousin | Athletics | 1948 Summer | |
| Julien Cousineau | Canada | Alpine skiing | 2010 Winter | |
| Charles Cousins | Great Britain | Rowing | 2012 Summer | |
| DeMarcus Cousins | United States | Basketball | 2016 Summer | |
| Duane Cousins | Australia | Athletics | 1996 Summer, 2000 Summer | |
| Peter Cousins | Great Britain | Judo | 2008 Summer | |
| Robin Cousins | Figure skating | 1976 Winter, 1980 Winter | |
| Steven Cousins | 1992 Winter, 1994 Winter, 1998 Winter | |
| Yvon Coussin | France | Weightlifting | 1976 Summer | |
| Anthony Coutinho | India | Athletics | 1964 Summer | |
| Geisa Coutinho | Brazil | 2004 Summer, 2012 Summer, 2016 Summer | |
| Piedade Coutinho | Swimming | 1936 Summer, 1948 Summer, 1952 Summer | |
| Carlos Couto | Fencing | 1968 Summer | |
| Eduardo Couto | Sailing | 2008 Summer | |
| Emanuel Couto | Portugal | Tennis | 1992 Summer, 1996 Summer | |
| Fernando Couto | Athletics | 1988 Summer, 1992 Summer | |
| José Couto | Swimming | 1996 Summer, 2000 Summer, 2004 Summer | |
| Kurt Couto | Mozambique | Athletics | 2004 Summer, 2012 Summer, 2016 Summer | |
| Máximo Couto | Portugal | Water polo | 1952 Summer | |
| Francis Coutou | France | Field hockey | 1972 Summer | |
| Jacques Coutrot | Fencing | 1924 Summer, 1936 Summer | |
| Denis Couttet | Cross country skiing | 1924 Winter | |
| Henri Couttet | Ice hockey | 1920 Summer | |
| James Couttet | Alpine skiing, Ski jumping | 1948 Winter, 1952 Winter | |
| Marcel Couttet | Ice hockey | 1936 Winter | |
| Alicia Coutts | Australia | Swimming | 2008 Summer, 2012 Summer, 2016 Summer | |
| Burdett Coutts | Singapore | Field hockey | 1956 Summer | |
| John Coutts | New Zealand | Swimming | 1976 Summer | |
| Russell Coutts | Sailing | 1984 Summer, 1992 Summer | |
| Paul Couture | France | 1900 Summer | |
| I. Couturier [ Wikidata ] | United States | Art competitions | 1924 Summer | |
| Jean Couturier | France | Basketball | 1936 Summer | |
| Patricia Couturier | Rowing | 1984 Summer | |
| Tomás Couve | Chile | Equestrian jumping | 2012 Summer | |
| Raoul Couvert | France | Ice hockey | 1924 Winter, 1928 Winter | |
| Georges Couvreur | United States | Art competitions | 1932 Summer | |
| Camille Couzi | France | Fencing | 1992 Summer | |
| Dean Couzins | New Zealand | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| Mélanie Couzy | France | Shooting | 2020 Summer, 2024 Summer | |
| Alberto Cova | Italy | Athletics | 1984 Summer, 1988 Summer | |
| Jesús Cova [ Wikidata ] | Venezuela | Boxing | 2024 Summer | |
| Monica Covacci | Canada | Artistic gymnastics | 1988 Summer | |
| Ion Covaci | Romania | Boxing | 1968 Summer | |
| Iosif Covaci | Alpine skiing, Cross country skiing | 1936 Winter | |
| Ludovic Covaci-Borbely | Rowing | 1964 Summer | |
| Gheorghe Covaciu | Handball | 1984 Summer | |
| Adalbert Covacs | Modern pentathlon | 1972 Summer | |
| Victor Covalenco | Moldova | Athletics | 2004 Summer, 2008 Summer | |
| Serghei Covaliov | Romania | Canoe sprint | 1968 Summer, 1972 Summer | |
| Mihai Covaliu | Fencing | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Agustin Covarrubias [ Wikidata ] | Chile | Equestrian jumping | 2024 Summer | |
| Anne Covell | Canada | Athletics | 1968 Summer | |
| Chloe Covell | Australia | Skateboarding | 2024 Summer | |
| Mark Covell | Great Britain | Sailing | 2000 Summer | |
| Phyllis Covell | Tennis | 1924 Summer | |
| Frank Covelli | United States | Athletics | 1964 Summer, 1968 Summer | |
| Yvan Covent | Belgium | Road cycling | 1960 Summer | |
| Bill Coventry | New Zealand | Rowing | 1988 Summer, 1992 Summer | |
| Kirsty Coventry | Zimbabwe | Swimming | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Victor Coverley-Price | Great Britain | Art competitions | 1948 Summer | |
| Deb Covey | Canada | Field hockey | 1988 Summer, 1992 Summer | |
| Gerald Covey | Canoe sprint | 1948 Summer | |
| Andrea Covi | Italy | 1996 Summer | |
| Karlo Čović | Yugoslavia | Wrestling | 1968 Summer, 1972 Summer | |
| Frédéric Covili | France | Alpine skiing | 2002 Winter | |
| Alessandro Covre | Italy | Wrestling | 1912 Summer | |
| Barry Cowan | Great Britain | Tennis | 2000 Summer | |
| James Cowan | Shooting | 1908 Summer | |
| Lyndsai Cowan | Canada | Figure skating | 1968 Winter | |
| Sandy Cowan | Lacrosse | 1904 Summer | |
| John Coward | Great Britain | Ice hockey | 1936 Winter | |
| Josh Coward | Australia | Rugby sevens | 2020 Summer | |
| Matthew Coward-Holley | Great Britain | Shooting | 2020 Summer, 2024 Summer | |
| Patrick Cowdell | Boxing | 1976 Summer | |
| Jacqui Cowderoy | Australia | Alpine skiing | 1980 Winter | |
| Bob Cowell | United States | Swimming | 1948 Summer | |
| Heather Cowell | Great Britain | Rugby sevens | 2024 Summer | |
| Chloe Cowen | Judo | 2000 Summer | |
| Gordon Cowey | Australia | Rowing | 1956 Summer | |
| William Cowhig | Great Britain | Artistic gymnastics | 1908 Summer, 1912 Summer, 1920 Summer | |
| Don Cowie | New Zealand | Sailing | 1992 Summer, 1996 Summer, 2000 Summer | |
| Gillian Cowley | Zimbabwe | Field hockey | 1980 Summer | |
| Michael Cowley | Great Britain | Road cycling | 1964 Summer | |
| Orlando Cowley | Cuba | Water polo | 1972 Summer, 1980 Summer | |
| Rhydian Cowley | Australia | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sarah Cowley | New Zealand | 2012 Summer | |
| Alison Cox | United States | Rowing | 2004 Summer | |
| Bill Cox | Athletics | 1924 Summer | |
| Bill Cox | Speed skating | 1968 Winter | |
| Britteny Cox | Australia | Freestyle skiing | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Bronwyn Cox | Rowing | 2020 Summer, 2024 Summer | |
| Carmiesha Cox | Bahamas | Athletics | 2016 Summer | |
| Crystal Cox | United States | 2004 Summer | |
| David Cox | Great Britain | Artistic gymnastics | 1992 Summer | |
| Doug Cox | Canada | Wrestling | 1988 Summer, 1996 Summer | |
| Gardner Cox | United States | Sailing | 1968 Summer | |
| Han Cox | Netherlands | Rowing | 1928 Summer | |
| J'den Cox | United States | Wrestling | 2016 Summer | |
| John Cox [ Wikidata ] | Great Britain | 1908 Summer | |
| John Cox | Venezuela | Basketball | 2016 Summer | |
| Lionel Cox | Australia | Track cycling | 1952 Summer | |
| Lionel Cox | Belgium | Shooting | 2012 Summer | |
| Marsha Cox | South Africa | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| Matthew Cox [ Wikidata ] | Australia | Snowboarding | 2022 Winter | |
| Michelle Cox | Softball | 2020 Summer | |
| Peter Cox Jr. | United States | Fencing | 1996 Summer | |
| Rawle Cox | Field hockey | 1984 Summer | |
| Renie Cox | Alpine skiing | 1960 Winter | |
| Rohanee Cox | Australia | Basketball | 2008 Summer | |
| Ryan Cox | South Africa | Road cycling | 2004 Summer | |
| Shana Cox | Great Britain | Athletics | 2012 Summer | |
| Shannon Cox | New Zealand | Rowing | 2024 Summer | |
| Shawn Cox | Barbados | Boxing | 2000 Summer | |
| Somers Cox | New Zealand | Rowing | 1932 Summer | |
| Sophie Cox | Great Britain | Judo | 2004 Summer, 2012 Summer | |
| Stan Cox | Athletics | 1948 Summer, 1952 Summer | |
| Stephanie Cox | United States | Football | 2008 Summer | |
| Stephen Cox | New Zealand | Road cycling | 1984 Summer | |
| Stephen Cox | Zimbabwe | Rowing | 2024 Summer | |
| William Cox [ Wikidata ] | Great Britain | Wrestling | 1908 Summer | |
| Jo Cox-Ladru | Netherlands | Artistic gymnastics | 1952 Summer | |
| Richard Coxon | Australia | Sailing | 1984 Summer | |
| Shauna Coxsey | Great Britain | Sport climbing | 2020 Summer | |
| Tracy Cox-Smyth | Zimbabwe | Diving | 1988 Summer, 1992 Summer | |
| Eric Coy | Canada | Athletics | 1948 Summer | |
| Michelle Coy | Great Britain | Bobsleigh | 2002 Winter | |
| Warren Coye | Belize | Road cycling | 1984 Summer | |
| Dan Coyle | Ireland | Athletics | 1948 Summer | |
| Daniel Coyle | Equestrian jumping | 2024 Summer | |
| Frank Coyle | United States | Athletics | 1912 Summer | |
| John Coyle | Short track speed skating | 1994 Winter | |
| Natalya Coyle | Ireland | Modern pentathlon | 2012 Summer, 2016 Summer, 2020 Summer | |
| Colleen Coyne | United States | Ice hockey | 1998 Winter | |
| Kendall Coyne Schofield | 2014 Winter, 2018 Winter, 2022 Winter | |
| Amy Cozad | Diving | 2016 Summer | |
| Sydney Cozens | Great Britain | Track cycling | 1928 Summer | |
| Remus Cosma | Romania | Boxing | 1976 Summer | |
| Ionela Cozmiuc | Rowing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Marius Cozmiuc | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Sharon Cozzarin | Canada | Shooting | 1992 Summer | |
| Luciano Cozzi | Italy | Diving | 1928 Summer | |
| Paolo Cozzi | Volleyball | 2004 Summer | |
| Vanessa Cozzi | Brazil | Rowing | 2016 Summer | |
| Steve Crabb | Great Britain | Athletics | 1988 Summer, 1992 Summer | |
| Archibald Crabbe | Bobsleigh | 1924 Winter | |
| Buster Crabbe | United States | Swimming | 1928 Summer, 1932 Summer | |
| Colette Crabbé | Belgium | 1976 Summer | |
| Dion Crabbe | British Virgin Islands | Athletics | 2004 Summer | |
| Gustave Crabbe | Belgium | Basketball | 1936 Summer | |
| Astrid Crabo | Sweden | Badminton | 1996 Summer | |
| René Crabos | France | Rugby | 1920 Summer | |
| Jane Crabtree | Australia | Badminton | 2004 Summer | |
| Florin Cezar Crăciun | Romania | Bobsleigh | 2010 Winter, 2014 Winter, 2018 Winter | |
| Ioana Craciun | Rowing | 2016 Summer | |
| Moise Crăciun | Cross country skiing | 1952 Winter | |
| Nicolae Craciun | Italy | Canoe sprint | 2024 Summer | |
| Niculae-Cornel Crăciun | Romania | Cross country skiing, Nordic combined | 1952 Winter | |
| Florența Crăciunescu | Athletics | 1980 Summer, 1984 Summer | |
| Fiona Crackles | Great Britain | Field hockey | 2020 Summer, 2024 Summer | |
| Adam Cracknell | Canada | Ice hockey | 2022 Winter | |
| James Cracknell | Great Britain | Rowing | 1996 Summer, 2000 Summer, 2004 Summer | |
| Charlotte Craddock | Field hockey | 2008 Summer | |
| Lawson Craddock | United States | Road cycling | 2020 Summer | |
| Göran Crafoord | Sweden | Sailing | 1960 Summer | |
| John Craft | United States | Athletics | 1972 Summer | |
| Morgan Craft | Shooting | 2016 Summer | |
| Shanice Craft | Germany | Athletics | 2016 Summer | |
| Alistair Cragg | Ireland | 2004 Summer, 2008 Summer, 2012 Summer | |
| Amy Cragg | United States | 2012 Summer, 2016 Summer | |
| Rob Cragg | Diving | 1976 Summer | |
| Brian Crago | Australia | Equestrian eventing | 1956 Summer, 1960 Summer | |
| Charles Crahay | Belgium | Fencing | 1920 Summer, 1924 Summer, 1928 Summer | |
| Adam Craig | United States | Cycling mountain bike | 2008 Summer | |
| Archibald Craig | Great Britain | Fencing | 1924 Summer, 1948 Summer | |
| Bob Craig | Australasia | Rugby | 1908 Summer | |
| Charlotte Craig | United States | Taekwondo | 2008 Summer | |
| Dante Craig | Boxing | 2000 Summer | |
| Elizabeth Craig | Canada | Rowing | 1976 Summer, 1984 Summer | |
| Emily Craig | Great Britain | 2020 Summer, 2024 Summer | |
| Hannah Craig | Ireland | Canoe slalom | 2012 Summer | |
| James Humbert Craig | Art competitions | 1932 Summer | |
| Jim Craig | United States | Ice hockey | 1980 Winter | |
| Kami Craig | Water polo | 2008 Summer, 2012 Summer, 2016 Summer | |
| Mike Craig | Australia | Field hockey | 1960 Summer | |
| Nick Craig | Great Britain | Road cycling, Cycling mountain bike | 2000 Summer | |
| Paul Craig | Canada | Athletics | 1976 Summer | |
| Peyton Craig | Australia | 2024 Summer | |
| Ralph Craig | United States | 1912 Summer | |
| Rodney Craig | Great Britain | Fencing | 1968 Summer, 1972 Summer | |
| Stephen Craig | Australia | Bobsleigh | 1988 Winter | |
| Tom Craig | Field hockey | 2020 Summer, 2024 Summer | |
| Bill Craig | United States | Swimming | 1964 Summer | |
| John Craige | Wrestling | 1908 Summer | |
| Brooke Crain | Cycling BMX racing | 2012 Summer, 2016 Summer | |
| Kailani Craine | Australia | Figure skating | 2018 Winter, 2022 Winter | |
| Tullio Crali | Italy | Art competitions | 1936 Summer | |
| Ralph Adams Cram | United States | 1928 Summer | |
| Steve Cram | Great Britain | Athletics | 1980 Summer, 1984 Summer, 1988 Summer | |
| Shelley Cramer | Virgin Islands | Swimming | 1976 Summer, 1984 Summer, 1992 Summer | |
| Gian-Marco Crameri | Switzerland | Ice hockey | 2002 Winter | |
| Renzo Cramerotti | Italy | Athletics | 1972 Summer | |
| John Crammond | Great Britain | Skeleton | 1948 Winter | |
| Frances Cramp | Diving | 1964 Summer | |
| Deirdre Crampton | Canada | Sailing | 2004 Summer | |
| Jimmy Crampton | Myanmar | Athletics | 1972 Summer | |
| Peter Crampton | Great Britain | 1996 Summer | |
| Berton Crandall | United States | Art competitions | 1932 Summer | |
| Lauren Crandall | Field hockey | 2008 Summer, 2012 Summer, 2016 Summer | |
| Rob Crane | Sailing | 2012 Summer | |
| William Craner | Great Britain | Athletics | 1928 Summer | |
| Scott Cranham | Canada | Diving | 1972 Summer, 1976 Summer | |
| Harry Crank | Great Britain | 1908 Summer | |
| Steffen Cranmer | Shooting | 1952 Summer, 1956 Summer, 1960 Summer | |
| Elise Cranny | United States | Athletics | 2020 Summer, 2024 Summer | |
| Jeffrey Cranston [ Wikidata ] | Netherlands | Baseball | 1996 Summer, 2000 Summer | |
| Joseph Cranston | United States | Boxing | 1920 Summer | |
| Robert Cranston | India | 1948 Summer | |
| Toller Cranston | Canada | Figure skating | 1972 Winter, 1976 Winter | |
| Christl Cranz | Germany | Alpine skiing | 1936 Winter | |
| Rudolf Cranz | 1936 Winter | |
| Raymond Crapet | France | Athletics | 1948 Summer | |
| Paul Crapez | Belgium | Track cycling | 1968 Summer | |
| Lorraine Crapp | Australia | Swimming | 1956 Summer, 1960 Summer | |
| Leonard Craske | United States | Art competitions | 1932 Summer | |
| Derrick Crass | Weightlifting | 1984 Summer, 1988 Summer | |
| Carlos Crassus | Venezuela | Shooting | 1956 Summer, 1960 Summer | |
| Tanisha Crasto | India | Badminton | 2024 Summer | |
| Polly Craus | United States | Fencing | 1952 Summer | |
| Stelio Craveirinha | Mozambique | Athletics | 1980 Summer | |
| Dan Craven | Namibia | Road cycling | 2012 Summer, 2016 Summer | |
| Roberto Cravero | Italy | Football | 1988 Summer | |
| Jorge Cravinho | Portugal | Rowing | 1960 Summer | |
| Saúl Craviotto | Spain | Canoe sprint | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| João Cravo | Portugal | Rowing | 1952 Summer | |
| Bob Crawford | United States | Athletics | 1920 Summer | |
| Candace Crawford | Canada | Alpine skiing | 2018 Winter | |
| Carl Crawford | Guyana | Boxing | 1960 Summer | |
| Chandra Crawford | Canada | Cross country skiing | 2006 Winter, 2010 Winter, 2014 Winter | |
| Colin Crawford | Great Britain | Alpinism | 1924 Winter | |
| Dean Crawford | Canada | Rowing | 1984 Summer | |
| Fiona Crawford | Australia | Softball | 2000 Summer, 2004 Summer | |
| Gary Crawford | United States | Nordic combined | 1980 Winter, 1988 Winter | |
| Hasely Crawford | Trinidad and Tobago | Athletics | 1972 Summer, 1976 Summer, 1980 Summer, 1984 Summer | |
| Holly Crawford | Australia | Snowboarding | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| James Crawford | Great Britain | Football | 1936 Summer | |
| James Crawford | Canada | Alpine skiing | 2018 Winter, 2022 Winter | |
| Judy Crawford | 1972 Winter | |
| Justann Crawford | Australia | Boxing | 1992 Summer, 1996 Summer | |
| Marvin Crawford | United States | Cross country skiing, Nordic combined | 1956 Winter | |
| Peter Crawford | Australia | Basketball | 2012 Summer | |
| Richard Crawford | United States | Shooting | 1976 Summer | |
| Ronald Crawford | Australia | Athletics | 1956 Summer, 1960 Summer, 1964 Summer | |
| Ronald Crawford | United States | Water polo | 1960 Summer, 1964 Summer, 1968 Summer | |
| Rosanna Crawford | Canada | Biathlon | 2010 Winter, 2014 Winter, 2018 Winter | |
| Shannon Crawford | Rowing | 1992 Summer | |
| Shawn Crawford | United States | Athletics | 2004 Summer, 2008 Summer | |
| Yunaika Crawford | Cuba | 2004 Summer, 2008 Summer | |
| Jean de Crawhez | Belgium | Bobsleigh | 1964 Winter | |
| Allen Crawley | Australia | Athletics | 1968 Summer | |
| Talitiga Crawley | Samoa | Taekwondo | 2012 Summer | |
| Walter Crawley | Great Britain | Tennis | 1908 Summer | |
| Robert Crawshaw | Swimming, Water polo | 1900 Summer | |
| David Crawshay | Australia | Rowing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Richard Crawshay | Great Britain | Fencing | 1912 Summer | |
| Eric Cray | Philippines | Athletics | 2016 Summer | |
| Jill Craybas | United States | Tennis | 2008 Summer | |
| Richard Creagh-Osborne | Great Britain | Sailing | 1956 Summer | |
| Angela Creamer | Athletics | 1976 Summer | |
| Mark Crear | United States | 1996 Summer, 2000 Summer | |
| Henry Creasey | Great Britain | Shooting | 1908 Summer | |
| Philip Crebbin | Sailing | 1976 Summer | |
| Thomas Cree | Rowing | 1936 Summer | |
| Brendan Creed | Field hockey | 2020 Summer | |
| Sharon Creelman | Canada | 1984 Summer, 1988 Summer, 1992 Summer | |
| John Cregan | United States | Athletics | 1900 Summer | |
| Paddy Crehan | Ireland | Basketball | 1948 Summer | |
| Susan Crehan | Great Britain | Athletics | 1988 Summer | |
| Guy Creighton | Australia | Equestrian jumping | 1976 Summer, 1984 Summer | |
| Shaun Creighton | Athletics | 1996 Summer, 2000 Summer | |
| Carol Creiniceanu | Romania | Football | 1964 Summer | |
| Katya Crema | Australia | Freestyle skiing | 2010 Winter, 2014 Winter | |
| Benjamin Cremaschi | United States | Football | 2024 Summer | |
| Margaret Cremen | Ireland | Rowing | 2020 Summer, 2024 Summer | |
| Esther Cremer | Germany | Athletics | 2012 Summer | |
| Grant Cremer | Australia | 2000 Summer | |
| Melanie Cremer | Germany | Field hockey | 1996 Summer | |
| Rebecca Cremer | United States | Alpine skiing | 1948 Winter | |
| Ted Cremer | Netherlands | Rowing | 1924 Summer | |
| Alex Cremidan | Greece | Baseball | 2004 Summer | |
| Théo Cremnitz | France | Rowing | 1924 Summer | |
| André Crémon | Modern pentathlon | 1928 Summer | |
| Mauro Crenna | Italy | Canoe sprint | 2016 Summer | |
| Mathieu Crépel | France | Snowboarding | 2006 Winter, 2010 Winter | |
| André Crépin | Athletics | 1936 Summer | |
| Georges de Crequi-Montfort | Shooting | 1912 Summer, 1924 Summer | |
| Pablo Crer | Argentina | Volleyball | 2012 Summer, 2016 Summer | |
| Hélio Crescêncio | Brazil | Boxing | 1960 Summer | |
| Dino Crescentini | San Marino | Bobsleigh | 1994 Winter | |
| Angelo Crescenzo | Italy | Karate | 2020 Summer | |
| Emmanuel Crescimbeni | Peru | Swimming | 2008 Summer | |
| Margalida Crespí | Spain | Artistic swimming | 2012 Summer | |
| Paula Crespí | Water polo | 2024 Summer | |
| Andrés Crespo | Fencing | 1992 Summer | |
| Antoine Crespo | Andorra | Alpine skiing | 1976 Winter | |
| Édgar Crespo | Panama | Swimming | 2008 Summer, 2012 Summer, 2016 Summer | |
| Esteban Crespo | Mexico | Athletics | 1932 Summer | |
| Hernán Crespo | Argentina | Football | 1996 Summer | |
| José Antonio Crespo | Spain | Badminton | 2004 Summer | |
| José Manuel Crespo | Canoe sprint | 1996 Summer, 2000 Summer | |
| Milagros Crespo | Cuba | Beach volleyball | 2008 Summer | |
| John Cress | United States | Nordic combined | 1960 Winter | |
| Mariana Cress | Marshall Islands | Athletics | 2016 Summer | |
| Roman Cress | 2008 Summer | |
| Frederick Cresser | United States | Rowing | 1904 Summer | |
| Charles Cresson [ Wikidata ] | Tennis | 1904 Summer | |
| Eliott Crestan | Belgium | Athletics | 2020 Summer, 2024 Summer | |
| Gilles Cresto | Monaco | Archery | 1984 Summer, 1988 Summer | |
| Alex Creț | Romania | Judo | 2024 Summer | |
| Jacques Crétaine | France | Athletics | 1948 Summer | |
| Mario Crete | Canada | Wrestling | 1948 Summer | |
| Claude Crétier | France | Alpine skiing | 2002 Winter | |
| Jean-Luc Crétier | 1988 Winter, 1992 Winter, 1994 Winter, 1998 Winter | |
| Léonce Crétin | Cross country skiing | 1932 Winter, 1936 Winter | |
| Rolando Cretis [ Wikidata ] | Italy | Baseball | 1992 Summer, 1996 Summer | |
| Renée Cretté-Flavier | France | Diving | 1928 Summer | |
| Yves Crettenand | Ice hockey | 1992 Winter | |
| Rezső Crettier | Hungary | Athletics | 1900 Summer | |
| Serghei Cretu | Moldova | Weightlifting | 1996 Summer | |
| Valentin Crețu | Romania | Luge | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Oleg Crețul | Moldova | Judo | 1996 Summer | |
| Julian Creus | Great Britain | Weightlifting | 1948 Summer, 1952 Summer, 1956 Summer | |
| Jean Creusen | Belgium | Boxing | 1920 Summer | |
| Édoard Creuzé | France | Shooting | 1912 Summer | |
| Anja Crevar | Serbia | Swimming | 2016 Summer, 2020 Summer, 2024 Summer | |
| Chris Creveling | United States | Short track speed skating | 2014 Winter | |
| Axelle Crevier | Canada | Water polo | 2020 Summer, 2024 Summer | |
| Brittany Crew | Athletics | 2016 Summer, 2020 Summer | |
| Jerome Crews | Germany | 2004 Summer | |
| Roger Crezen | France | Rowing | 1948 Summer | |
| Jiří Crha | Czechoslovakia | Ice hockey | 1976 Winter | |
| Marco Cribari | Switzerland | Athletics | 2008 Summer | |
| Ernest Cribb | Canada | Sailing | 1932 Summer | |
| Sean Cribbin | Ireland | Rugby sevens | 2024 Summer | |
| Renn Crichlow | Canada | Canoe sprint | 1988 Summer, 1992 Summer, 1996 Summer | |
| Charles Crichton | Great Britain | Sailing | 1908 Summer | |
| Henri Crick | Belgium | Basketball | 1952 Summer | |
| Joseph Crickx | Rowing | 1920 Summer | |
| Julien Crickx | 1920 Summer | |
| Heleen Crielaard | Netherlands | Volleyball | 1992 Summer | |
| Andy Criere [ Wikidata ] | Spain | Surfing | 2024 Summer | |
| Alec Crikis | Australia | Shooting | 1984 Summer | |
| Peter Crinnion | Ireland | Road cycling | 1960 Summer | |
| Oscar Crino | Australia | Football | 1988 Summer | |
| Massimo Crippa | Italy | 1988 Summer, 1996 Summer | |
| Yemaneberhan Crippa | Athletics | 2020 Summer, 2024 Summer | |
| Maddy Crippen | United States | Swimming | 2000 Summer | |
| Annabelle Cripps | Great Britain | 1984 Summer, 1988 Summer | |
| Sharon Cripps | Australia | Athletics | 1996 Summer, 2000 Summer | |
| Winsome Cripps | 1952 Summer | |
| Adrian Crișan | Romania | Table tennis | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Anton Crișan | Ice hockey | 1964 Winter | |
| Vasile Crișan | Shooting | 1936 Summer | |
| Wilmer Crisanto | Honduras | Football | 2012 Summer | |
| Adriana Crisci | Italy | Artistic gymnastics | 2000 Summer | |
| Martina Criscio | Fencing | 2020 Summer, 2024 Summer | |
| Domenico Criscito | Football | 2008 Summer | |
| Sebastián Crismanich | Argentina | Taekwondo | 2012 Summer | |
| Jessica Crisp | Australia | Sailing | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Leah Crisp | Great Britain | Marathon swimming | 2024 Summer | |
| Crispi | Spain | Football | 1968 Summer | |
| Michelangelo Crispi | Italy | Rowing | 1996 Summer | |
| John Crist | United States | Athletics | 1984 Summer | |
| Reggie Crist | Alpine skiing | 1992 Winter | |
| Ernesto Cristaldo | Paraguay | Football | 2004 Summer | |
| Cătălina Cristea | Romania | Tennis | 1996 Summer | |
| Dan Cristea | Alpine skiing | 1968 Winter, 1972 Winter, 1976 Winter | |
| Dinu Cristea | Athletics | 1952 Summer | |
| Ludmila Cristea | Moldova | Judo, Wrestling | 2000 Summer, 2008 Summer | |
| Nicolae Cristea | Romania | Wrestling | 1968 Summer | |
| Olga Cristea | Moldova | Athletics | 2004 Summer, 2008 Summer | |
| Vintilă Cristescu | Romania | 1928 Summer | |
| Óscar Cristi | Chile | Equestrian jumping | 1952 Summer | |
| Citlali Cristian [ Wikidata ] | Mexico | Athletics | 2024 Summer | |
| Jaqueline Cristian | Romania | Tennis | 2024 Summer | |
| Cristiane | Brazil | Football | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Infanta Cristina of Spain | Spain | Sailing | 1988 Summer | |
| Albert Cristina | Netherlands | Volleyball | 2000 Summer, 2004 Summer | |
| Everardo Cristóbal | Mexico | Canoe sprint | 2008 Summer, 2012 Summer | |
| Luis Cristobal | Spain | Alpine skiing | 1994 Winter | |
| Nada Cristofoli | Italy | Track cycling | 1996 Summer | |
| Guido Cristofori [ Wikidata ] | Artistic gymnastics | 1908 Summer | |
| Pierpaolo Cristofori | Modern pentathlon | 1976 Summer, 1980 Summer, 1984 Summer | |
| Elie Cristo-Loveanu | Romania | Art competitions | 1932 Summer | |
| Gheorghe Cristoloveanu | Alpine skiing | 1956 Winter | |
| Nicolae Cristoloveanu | Biathlon | 1976 Winter | |
| Pedro Cristóvão | Portugal | Judo | 1988 Summer, 1992 Summer | |
| Dorel Cristudor | Romania | Bobsleigh | 1980 Winter | |
| Jim Cristy | United States | Swimming | 1932 Summer, 1936 Summer | |
| Margaret Critchley | Great Britain | Athletics | 1972 Summer | |
| Jerry Critchlow | Art competitions | 1948 Summer | |
| Tess Critchlow | Canada | Snowboarding | 2018 Winter, 2022 Winter | |
| Chris Critelli | Basketball | 1976 Summer | |
| Freddie Crittenden | United States | Athletics | 2024 Summer | |
| Giovanna Crivelari | Brazil | Football | 2020 Summer | |
| Jonas Crivella | Water polo | 2016 Summer | |
| Giuseppe Crivelli | Italy | Rowing | 1924 Summer | |
| Giuseppe Crivelli [ Wikidata ] | Bobsleigh | 1928 Winter | |
| Iseline Crivelli | Alpine skiing | 1936 Winter | |
| Victoria Crivelli | Argentina | Handball | 2016 Summer | |
| Krešimir Crnković | Croatia | Cross country skiing | 2018 Winter | |
| Tomislav Crnković | Yugoslavia | Football | 1952 Summer | |
| Jovana Crnogorac | Serbia | Cycling mountain bike | 2016 Summer | |
| Alex Croak | Australia | Artistic gymnastics, Diving | 2000 Summer, 2008 Summer | |
| Mark Croasdale | Great Britain | Cross country skiing | 1992 Winter | |
| Beppe Croce | Italy | Sailing | 1948 Summer | |
| Carlo Croce | 1972 Summer, 1976 Summer | |
| Luigi Croce | 1964 Summer | |
| Paola Croce | Volleyball | 2008 Summer, 2012 Summer | |
| Pellegrino Croce | Rowing | 1976 Summer | |
| Mike Crocenzi | San Marino | Bobsleigh | 1994 Winter | |
| Anna Croci | Italy | Figure skating | 1992 Winter | |
| Giorgio Croci | Athletics | 1920 Summer | |
| Alessio Crociani [ Wikidata ] | Triathlon | 2024 Summer | |
| Ian Crocker | United States | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Mark Crocker | Hong Kong | 1972 Summer, 1976 Summer | |
| James Crockett | United States | Football | 1936 Summer | |
| Joseph Crockett | Shooting | 1924 Summer | |
| Rita Crockett | Volleyball | 1984 Summer | |
| Beryl Crockford | Great Britain | Rowing | 1976 Summer, 1980 Summer, 1984 Summer | |
| Eric Crockford | Field hockey | 1920 Summer | |
| Louis Croenen | Belgium | Swimming | 2012 Summer, 2016 Summer, 2020 Summer | |
| Esther Croes | Netherlands Antilles | Artistic swimming | 1984 Summer | |
| Peter Croes | Belgium | Triathlon | 2008 Summer | |
| June Croft | Great Britain | Swimming | 1980 Summer, 1984 Summer, 1988 Summer | |
| Peter Croft | Shooting | 1984 Summer | |
| Peter Downton Croft | Field hockey | 1960 Summer | |
| Mark Croghan | United States | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Sabrina Crognale | Italy | Modern pentathlon | 2012 Summer | |
| Jos Croin | Netherlands | Art competitions | 1924 Summer | |
| Dirk Crois | Belgium | Rowing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Adrian Croitoru | Romania | Judo | 1992 Summer, 1996 Summer, 2000 Summer | |
| Florin Croitoru | Weightlifting | 2012 Summer | |
| Jean Louis de la Croix | France | Archery | 1908 Summer | |
| Marquis de Croix [ Wikidata ] | Equestrian dressage | 1900 Summer | |
| Norma Croker | Australia | Athletics | 1956 Summer, 1960 Summer | |
| Robin Croker | Great Britain | Track cycling | 1976 Summer | |
| Roy Cromack | Road cycling | 1968 Summer | |
| Ibrain Crombet | Cuba | Handball | 1980 Summer | |
| George Crompton | Canada | Road cycling, Track cycling | 1936 Summer | |
| Grace Crompton | Great Britain | Rugby sevens | 2024 Summer | |
| Seymour Cromwell | United States | Rowing | 1964 Summer | |
| Tiffany Cromwell | Australia | Road cycling | 2020 Summer | |
| Viktor Crondahl | Sweden | Diving | 1912 Summer | |
| Philipp Crone | Germany | Field hockey | 2000 Summer, 2004 Summer | |
| Vanessa Crone | Canada | Figure skating | 2010 Winter | |
| Georges Cronier | France | Sailing | 1900 Summer | |
| Bert Cronin | Great Britain | Artistic gymnastics | 1928 Summer | |
| Caitlin Cronin | Australia | Rowing | 2020 Summer, 2024 Summer | |
| Carol Cronin | United States | Sailing | 2004 Summer | |
| Andrew Cronje | South Africa | Field hockey | 2008 Summer, 2012 Summer | |
| Darryl Cronje | Swimming | 1992 Summer | |
| Johan Cronje | Athletics | 2004 Summer | |
| Nicolene Cronje | 2004 Summer | |
| Edward Cronk | Great Britain | Canoe sprint | 1960 Summer | |
| Kylie Cronk | Australia | Softball | 2008 Summer | |
| Toni Cronk | Field hockey | 2004 Summer, 2012 Summer | |
| Johnny Cronshey | Great Britain | Speed skating | 1948 Winter, 1956 Winter | |
| Jean Cronstedt | Sweden | Artistic gymnastics | 1960 Summer | |
| Eddie Crook Jr. | United States | Boxing | 1960 Summer | |
| Peter Crook | British Virgin Islands | Freestyle skiing | 2014 Winter | |
| Richard Crooker | Canada | Rowing | 1968 Summer | |
| Brendon Crooks | New Zealand | Judo | 2000 Summer | |
| Charmaine Crooks | Canada | Athletics | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Jillian Crooks | Cayman Islands | Swimming | 2020 Summer, 2024 Summer | |
| Jordan Crooks | 2024 Summer | |
| Morgan Crooks | Canada | Rowing | 2000 Summer | |
| Sean Crooks | Cross country skiing | 2006 Winter | |
| Tim Crooks | Great Britain | Rowing | 1972 Summer, 1976 Summer | |
| Bernardus Croon | Netherlands | 1908 Summer | |
| Jorrit Croon | Field hockey | 2016 Summer, 2020 Summer, 2024 Summer | |
| Jack Cropp | New Zealand | Sailing | 1956 Summer | |
| Dave Cropper | Great Britain | Athletics | 1968 Summer, 1972 Summer | |
| Siobhan Cropper | Trinidad and Tobago | Swimming | 1996 Summer, 2000 Summer | |
| Alfred Cros | France | Art competitions | 1924 Summer | |
| Yves Cros | Athletics | 1948 Summer | |
| Giacomo Crosa | Italy | 1968 Summer | |
| Liliane Crosa | Switzerland | Figure skating | 1960 Winter | |
| Rachel Crosbee | Great Britain | Canoe slalom | 1992 Summer, 1996 Summer | |
| Ernest Crosbie | United States | Athletics | 1932 Summer, 1936 Summer, 1948 Summer | |
| Andrew Crosby | Canada | Rowing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Gordon Crosby | Athletics | 1952 Summer | |
| John Crosby Jr. | United States | Artistic gymnastics | 1972 Summer | |
| Percy Crosby | Art competitions | 1932 Summer, 1936 Summer | |
| Sidney Crosby | Canada | Ice hockey | 2010 Winter, 2014 Winter | |
| Bertrand Croset | France | Bobsleigh | 1968 Winter | |
| Paul Crosfield | Greece | Athletics | 1948 Summer | |
| Patrick Croskerry | Canada | Rowing | 1976 Summer | |
| Andrei Cross | Barbados | Swimming | 2008 Summer | |
| Anne Cross | Australia | Athletics | 2000 Summer | |
| Charles Cross | Great Britain | Diving | 1908 Summer | |
| Emily Cross | United States | Fencing | 2008 Summer | |
| Hannah Cross | Australia | Artistic swimming | 2016 Summer | |
| Jane Cross | Great Britain | Rowing | 1980 Summer | |
| Jay Cross | Canada | Sailing | 1976 Summer | |
| Jesseca Cross | United States | Athletics | 2000 Summer | |
| Jessie Cross | 1928 Summer | |
| Kendall Cross | Wrestling | 1992 Summer, 1996 Summer | |
| Martin Cross | Great Britain | Rowing | 1980 Summer, 1984 Summer, 1988 Summer, 1992 Summer | |
| Philippa Cross | 1992 Summer, 1996 Summer | |
| Sam Cross | Rugby sevens | 2016 Summer | |
| Sidney Cross | Artistic gymnastics | 1912 Summer, 1920 Summer | |
| Sidney Cross | Athletics | 1948 Summer | |
| Tim Cross | Ireland | Field hockey | 2024 Summer | |
| Tom Cross | Australia | Fencing | 1956 Summer | |
| Travis Cross | Canada | Wrestling | 2008 Summer | |
| William Cross | Australia | Rowing | 1936 Summer | |
| Rob Crossan | Canada | Alpine skiing | 1992 Winter, 1994 Winter | |
| Tara Cross-Battle | United States | Volleyball | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Simon Crosse | Great Britain | Rowing | 1960 Summer | |
| Howard Crossett | United States | Bobsleigh | 1952 Winter | |
| Anthony Crossley | Zimbabwe | Sailing | 1964 Summer | |
| Caroline Crossley | Canada | Rugby sevens | 2024 Summer | |
| Mervyn Crossman | Australia | Field hockey | 1960 Summer, 1964 Summer | |
| Perry Crosswhite | Basketball | 1972 Summer, 1976 Summer, 1980 Summer | |
| Robert Crost | France | 1952 Summer | |
| Carlos Crosta | Argentina | Rowing | 1948 Summer | |
| Daniele Crosta | Italy | Fencing | 2000 Summer | |
| Giancarlo Crosta | Rowing | 1960 Summer | |
| Bill Crothers | Canada | Athletics | 1964 Summer, 1968 Summer | |
| Will Crothers | Rowing | 2012 Summer, 2016 Summer, 2020 Summer | |
| Fabio Crotta | Switzerland | Equestrian jumping | 2004 Summer | |
| Ernesto Crotti | Italy | Ice hockey | 1956 Winter | |
| Kenneth Crotty | Australia | Diving | 1960 Summer | |
| Peter Crotty | Ireland | Boxing | 1952 Summer | |
| Graham Crouch | Australia | Athletics | 1976 Summer | |
| Bernard Croucher | Great Britain | Rowing | 1924 Summer | |
| Charl Crous | South Africa | Swimming | 2012 Summer | |
| Jarred Crous | 2016 Summer | |
| Leah Crouse | United States | Field hockey | 2024 Summer | |
| Brian Crouser | Athletics | 1988 Summer, 1992 Summer | |
| Ryan Crouser | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sam Crouser | 2016 Summer | |
| Marc Crousillat | France | Water polo | 1988 Summer | |
| Michel Crousillat | 1988 Summer | |
| Ugo Crousillat | 2016 Summer, 2024 Summer | |
| Sandra Crousse | Peru | Swimming | 1984 Summer | |
| Jean de Croutte de Saint Martin | France | Equestrian eventing | 1964 Summer | |
| Mike Crouwel [ Wikidata ] | Netherlands | Baseball | 2000 Summer | |
| Francisca Crovetto | Chile | Shooting | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Jean-Pierre Crovetto | Monaco | Sailing | 1960 Summer | |
| Joseph Crovetto | Artistic gymnastics | 1920 Summer | |
| Kevin Crovetto | 2016 Summer | |
| Kevin Crow | United States | Football | 1984 Summer, 1988 Summer | |
| Maurice Crow | New Zealand | Weightlifting | 1948 Summer | |
| Tamara Crow | United States | Artistic swimming | 2004 Summer | |
| James Crowden | Great Britain | Rowing | 1952 Summer | |
| Shirley Crowder | United States | Athletics | 1960 Summer | |
| Brenda Crowe | Great Britain | Artistic gymnastics | 1936 Summer | |
| Charles Crowe | Canada | Shooting | 1908 Summer | |
| Martin Crowe | Australia | Athletics | 1956 Summer | |
| Michael Crowe | Great Britain | Field hockey | 1972 Summer | |
| Peggy Crowe | United States | Speed skating | 1976 Winter | |
| Robert Crowe | Australia | Road cycling | 1992 Summer | |
| Aileen Crowley | Ireland | Rowing | 2020 Summer | |
| Brogan Crowley | Great Britain | Skeleton | 2022 Winter | |
| Clifford Crowley | Canada | Ice hockey | 1932 Winter | |
| Frank Crowley | United States | Athletics | 1932 Summer | |
| Margaret Crowley | Australia | 1996 Summer, 2000 Summer | |
| Margaret Crowley | United States | Speed skating | 2006 Winter | |
| Robert Crowley | Bobsleigh | 1968 Winter | |
| Ted Crowley | Ice hockey | 1994 Winter | |
| Bertha Crowther | Great Britain | Athletics | 1948 Summer | |
| Herbert Crowther | Track cycling | 1908 Summer | |
| Tara Croxford | Canada | Field hockey | 1992 Summer | |
| Ferdinand Croy | Austria | Equestrian eventing | 1972 Summer | |
| Jürgen Croy | East Germany | Football | 1972 Summer, 1976 Summer | |
| Paige Crozon | Canada | 3x3 basketball | 2024 Summer | |
| Noè Cruciani | Italy | Boxing | 1984 Summer | |
| Silvana Cruciata | Athletics | 1976 Summer | |
| Florian Cruciger | West Germany | Bobsleigh | 1988 Winter | |
| Maurits Crucq | Netherlands | Field hockey | 1988 Summer, 1996 Summer | |
| Siegfried Cruden | Suriname | Athletics | 1984 Summer | |
| Carolyn Crudgington | Australia | Softball | 1996 Summer | |
| Constantin Crudu | Romania | Boxing | 1964 Summer | |
| Jaime Cruells | Spain | Water polo | 1924 Summer, 1928 Summer | |
| Jamie Cruickshank | Canada | Bobsleigh | 2006 Winter | |
| Robert Cruickshank | Great Britain | Sailing | 1992 Summer | |
| Roger Cruickshank | Alpine skiing | 2006 Winter | |
| Dave Cruikshank | United States | Speed skating | 1992 Winter, 1994 Winter, 1998 Winter | |
| Larissa Crummer | Australia | Football | 2016 Summer | |
| Nathan Crumpton | American Samoa | Athletics, Skeleton | 2020 Summer, 2022 Winter | |
| Jorge Crusellas | Cuba | Athletics | 1996 Summer | |
| Édouard Crut | France | Football | 1924 Summer | |
| Linda Crutchfield-Bocock | Canada | Alpine skiing, Luge | 1964 Winter, 1968 Winter | |
| Ernie Crutchlow | Great Britain | Track cycling | 1972 Summer | |
| Roy Cruttenden | Athletics | 1956 Summer | |
| Axel Cruysberghs | Belgium | Skateboarding | 2020 Summer | |
| María Cruz González | Spain | Field hockey | 1996 Summer | |
| Gil da Cruz Trindade | Timor-Leste | Athletics | 2004 Summer | |
| Agrippina de la Cruz | Philippines | 1984 Summer, 1988 Summer | |
| Amado Cruz | Belize | Canoe sprint | 2020 Summer | |
| André Cruz | Brazil | Football | 1988 Summer | |
| Andy Cruz | Cuba | Boxing | 2020 Summer | |
| Angelo Cruz | Puerto Rico | Basketball | 1988 Summer | |
| Anna Cruz | Spain | 2016 Summer | |
| Anthony Cruz | Malaysia | Field hockey | 1976 Summer | |
| Antonio Cruz | Guatemala | Swimming | 1968 Summer | |
| Antonio Cruz | United States | Road cycling | 2000 Summer | |
| Áurea Cruz | Puerto Rico | Volleyball | 2016 Summer | |
| Beatriz Cruz | Athletics | 2000 Summer | |
| Brianda Cruz | Mexico | Boxing | 2020 Summer | |
| Clarisse Cruz | Portugal | Athletics | 2008 Summer, 2012 Summer | |
| Darian Cruz | Puerto Rico | Wrestling | 2024 Summer | |
| Edvandro Cruz | Brazil | Cycling mountain bike | 2004 Summer | |
| Eglis Yaima Cruz | Cuba | Shooting | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Fernando Cruz | Colombia | Road cycling | 1972 Summer | |
| Geronimo Cruz | Philippines | Basketball | 1960 Summer | |
| Guilhermina da Cruz | Angola | Athletics | 1988 Summer, 1996 Summer | |
| Gustavo Cruz | Nicaragua | Boxing | 1984 Summer | |
| Gustavo de la Cruz | Dominican Republic | 1976 Summer | |
| Heriberto Cruz | Puerto Rico | Athletics | 1964 Summer | |
| Iohana Cruz | Cuba | Diving | 2000 Summer, 2004 Summer | |
| Joaquim Cruz | Brazil | Athletics | 1984 Summer, 1988 Summer, 1996 Summer | |
| Jorge Cruz | Water polo | 1960 Summer | |
| José Leonardo Cruz | Colombia | Boxing | 2000 Summer | |
| Jovana de la Cruz | Peru | Athletics | 2016 Summer, 2020 Summer | |
| Juan de la Cruz | Spain | Basketball | 1980 Summer, 1984 Summer | |
| Julia Cruz | Diving | 1992 Summer, 1996 Summer | |
| Manuel Cruz | Mexico | Boxing | 1932 Summer | |
| Márcio da Cruz | Brazil | Athletics | 1996 Summer | |
| Miguel Ángel Cruz | Mexico | 1984 Summer | |
| Milton Cruz | Brazil | Football | 1984 Summer | |
| Montse Cruz | Spain | Field hockey | 2008 Summer | |
| Nádia Cruz | Angola | Swimming | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Nelson Cruz | Cape Verde | Athletics | 2008 Summer | |
| Noël de la Cruz | Cuba | Track cycling | 1992 Summer | |
| Omar de la Cruz | Dominican Republic | Football | 2024 Summer | |
| Orlando Cruz | Puerto Rico | Boxing | 2000 Summer | |
| Pedro Cruz | Mozambique | Swimming | 1980 Summer, 1984 Summer | |
| Ricardo Cruz | El Salvador | Athletics | 1968 Summer | |
| Roberto Cruz | Philippines | Taekwondo | 2000 Summer | |
| Rolando Cruz | Puerto Rico | Athletics | 1956 Summer, 1960 Summer, 1964 Summer | |
| Rolando da Cruz | Brazil | Water polo | 1960 Summer | |
| Samuel Cruz | Puerto Rico | Athletics | 1964 Summer | |
| Sílvia Cruz | Portugal | 2008 Summer | |
| Teófilo Cruz | Puerto Rico | Basketball | 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Yanet Cruz | Cuba | Athletics | 2008 Summer, 2012 Summer | |
| Ignacio Cruzat | Chile | Shooting | 1948 Summer, 1956 Summer | |
| Vili Črv [ Wikidata ] | Slovenia | Cross country skiing | 2022 Winter | |
| Aleksandra Crvendakić | Serbia | Basketball | 2016 Summer, 2020 Summer | |
| Frances Cryan | Ireland | Rowing | 1980 Summer | |
| Hannan Crystal | Israel | Shooting | 1960 Summer, 1964 Summer | |
| Dóra Csabai | Hungary | Water polo | 2012 Summer, 2016 Summer | |
| Judit Csabai | Swimming | 1988 Summer | |
| Erzsébet Csajbók | Handball | 1976 Summer, 1980 Summer | |
| Ibolya Csák | Athletics | 1936 Summer | |
| István Csák | Field hockey, Ice hockey | 1936 Summer, 1936 Winter | |
| József Csák | Judo | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Franz Csandl | Austria | Boxing | 1972 Summer | |
| Erika Csányi | Hungary | Artistic gymnastics | 1980 Summer | |
| György Csányi | Athletics | 1948 Summer, 1952 Summer, 1956 Summer | |
| Rajmund Csányi | Artistic gymnastics | 1960 Summer, 1964 Summer | |
| Zoltán Csányi | Athletics | 1936 Summer | |
| Gábor Csapó | Water polo | 1976 Summer, 1980 Summer | |
| Géza Csapó | Canoe sprint | 1972 Summer, 1976 Summer | |
| Gabriella Csapó-Fekete | Volleyball | 1976 Summer, 1980 Summer | |
| Erika Csar | Austria | Field hockey | 1980 Summer | |
| Günther Csar | Nordic combined | 1988 Winter, 1992 Winter | |
| Gábor Császár | Hungary | Handball | 2004 Summer, 2012 Summer | |
| Mónika Császár | Artistic gymnastics | 1972 Summer | |
| Attila Császári | Swimming | 1972 Summer | |
| József Csatári | Wrestling | 1968 Summer, 1972 Summer | |
| Tamás Csathó | Road cycling | 1980 Summer | |
| Csaba Csatlós | Swimming | 1968 Summer | |
| László Csávás | Ski jumping | 1964 Winter | |
| Sándor Cséfai | Handball | 1936 Summer | |
| Gheorghe Csegezi | Romania | Athletics | 1928 Summer | |
| Gábor Cseh | Hungary | Canoe sprint | 1936 Summer | |
| László Cseh Sr. | Swimming | 1968 Summer, 1972 Summer | |
| László Cseh | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Lajos Csejthey | Athletics | 1924 Summer | |
| Tibor Cselkó | Basketball | 1952 Summer | |
| Andrej Csemez | Slovakia | Boxing | 2020 Summer | |
| Kálmán Csengeri | Hungary | Weightlifting | 1988 Summer | |
| Gabriella Csépe | Swimming | 1988 Summer, 1992 Summer | |
| Gabor Csepregi | Canada | Water polo | 1972 Summer, 1976 Summer | |
| Győző Cser | Hungary | Artistic gymnastics | 1964 Summer | |
| Brigitta Cserba | Diving | 1992 Summer | |
| Gáspár Csere | Athletics | 2016 Summer | |
| Csaba Cserép | Sailing | 2004 Summer | |
| László Cseresnyés | Equestrian eventing | 1980 Summer | |
| Ildikó Cserey | Rowing | 1988 Summer | |
| László Cseri | Field hockey | 1936 Summer | |
| József Csermák | Athletics | 1952 Summer, 1956 Summer, 1960 Summer | |
| József Csermely | Rowing | 1968 Summer, 1972 Summer | |
| Tibor Csernai | Football | 1964 Summer | |
| Éva Csernoviczki | Judo | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Tibor Cservenyák | Water polo | 1972 Summer, 1976 Summer | |
| Ottó Csicsay | Handball | 1988 Summer, 1992 Summer | |
| Ferenc Csik | Swimming | 1936 Summer | |
| Imre Csík | Alpine skiing | 1936 Winter | |
| János Csík | Handball | 1972 Summer | |
| József Csík | Athletics | 1972 Summer | |
| Klára Csík | Handball | 1976 Summer, 1980 Summer | |
| Tibor Csík | Boxing | 1948 Summer | |
| József Csikány | Swimming | 1960 Summer, 1964 Summer | |
| Levente Csillag | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Margit Csillik | Artistic gymnastics | 1936 Summer | |
| Douglas Csima | Canada | Rowing | 2012 Summer | |
| Gyula Csinger | Hungary | Weightlifting | 1936 Summer | |
| Ferenc Csipes | Canoe sprint | 1988 Summer, 1992 Summer, 1996 Summer | |
| Tamara Csipes | 2016 Summer, 2020 Summer, 2024 Summer | |
| Attila Csipler | Romania | Fencing | 1960 Summer, 1964 Summer | |
| Zsuzsa Csisztu | Hungary | Artistic gymnastics | 1988 Summer | |
| Eszter Csizmadia | Judo | 2000 Summer | |
| István Csizmadia | Canoe sprint | 1968 Summer | |
| Kolos Csizmadia | 2020 Summer, 2024 Summer | |
| Imre Csjef | Boxing | 1980 Summer | |
| Zsuzsanna Csobánki | Swimming | 2004 Summer | |
| Katalin Csőke | Athletics | 1980 Summer | |
| István Csoknyai | Handball | 1992 Summer | |
| László Csoknyai | Judo | 2012 Summer, 2016 Summer | |
| Szilveszter Csollány | Artistic gymnastics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Lukáš Csölley | Slovakia | Figure skating | 2018 Winter | |
| Franz Csöngei | Austria | Ice hockey | 1936 Winter, 1948 Winter | |
| László Csongrádi | Hungary | Fencing | 1988 Summer | |
| Zsófia Csonka | Shooting | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| György Csordás | Swimming | 1948 Summer, 1952 Summer, 1956 Summer | |
| Lajos Csordás | Football | 1952 Summer | |
| Stefan Csorich | Poland | Ice hockey | 1948 Winter, 1952 Winter | |
| Imre Csősz | Hungary | Judo | 1992 Summer, 1996 Summer, 2000 Summer | |
| Éva Csulik | Handball | 1980 Summer | |
| Virág Csurgó | Tennis | 1996 Summer | |
| Csaba Csutorás | Athletics | 1960 Summer, 1964 Summer | |
| Mihály Csutorás | Football | 1936 Summer | |
| Oszkár Csuvik | Water polo | 1948 Summer | |
| Jiří Čtvrtečka | Czechoslovakia | Canoe sprint | 1968 Summer, 1972 Summer, 1976 Summer | |
| Bob Ctvrtlik | United States | Volleyball | 1988 Summer, 1992 Summer, 1996 Summer | |
| Jiří Čtyřoký | Czechoslovakia | Basketball | 1936 Summer | |
| Fernanda Cuadra | Nicaragua | Swimming | 2000 Summer | |
| Joaquín Cuadrada | Spain | 1920 Summer | |
| Stefany Cuadrado | Colombia | Track cycling | 2024 Summer | |
| Verónica Cuadrado | Spain | Handball | 2012 Summer | |
| Marcela Cuaspud | Ecuador | Modern pentathlon | 2020 Summer | |
| Sebastián Cuattrin | Brazil | Canoe sprint | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Alberto Cuba | Cuba | Athletics | 1992 Summer | |
| Antonio Cuba | Peru | 1936 Summer | |
| Pau Cubarsí | Spain | Football | 2024 Summer | |
| Enrique Cubas | Peru | Wrestling | 1996 Summer | |
| Patrick Cubaynes | France | Football | 1984 Summer | |
| Francisco Cubelos | Spain | Canoe sprint | 2012 Summer, 2020 Summer, 2024 Summer | |
| Alfredo Cubías | El Salvador | Athletics | 1968 Summer | |
| David Cubillán | Venezuela | Basketball | 2016 Summer | |
| Jairo Cubillos | Colombia | Athletics | 1976 Summer | |
| Radiša Čubrić | Independent Olympians | Road cycling | 1992 Summer | |
| Radoš Čubrić | Yugoslavia | 1972 Summer | |
| Rajko Čubrić | 1988 Summer | |
| Ömer Çubukçu | Turkey | Wrestling | 2004 Summer | |
| Dumitru Cuc | Romania | 1952 Summer | |
| Vincenzo Cuccia | Italy | Fencing | 1924 Summer | |
| Alina Cucerzan | Romania | Athletics | 2004 Summer | |
| Christian Cuch | France | Track cycling | 1964 Summer | |
| Tadeusz Cuch | Poland | Athletics | 1972 Summer | |
| Didier Cuche | Switzerland | Alpine skiing | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter | |
| Roger Cuche | Boxing | 1952 Summer | |
| Yann Cucherat | France | Artistic gymnastics | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Petar Cucić | Yugoslavia | Wrestling | 1964 Summer | |
| Simion Cuciuc | Romania | Canoe sprint | 1964 Summer | |
| Octavian Cuciuc | Moldova | Wrestling | 2000 Summer | |
| Uroš Čučković | Montenegro | Water polo | 2016 Summer, 2020 Summer | |
| Andrei Cuculici | Romania | Canoe sprint | 2008 Summer | |
| Marc Cucurella | Spain | Football | 2020 Summer | |
| Milan Čuda | Czechoslovakia | Volleyball | 1964 Summer | |
| Joanne Cuddihy | Ireland | Athletics | 2008 Summer, 2012 Summer | |
| Tim Cuddihy | Australia | Archery | 2004 Summer | |
| Alenka Cuderman | Yugoslavia | Handball | 1984 Summer | |
| Marko Cuderman | Road cycling | 1984 Summer | |
| Gennadij Cudinovic | Germany | Wrestling | 2020 Summer | |
| Alexander Cudmore | United States | Football | 1904 Summer | |
| Collier Cudmore | Great Britain | Rowing | 1908 Summer | |
| Harold Cudmore | Ireland | Sailing | 1972 Summer | |
| Eddie Cudworth | Canada | Athletics | 1932 Summer | |
| Virginie Cueff | France | Track cycling | 2012 Summer, 2016 Summer | |
| Antenore Cuel | Italy | Cross country skiing | 1952 Winter | |
| Philippe Cuelenaere | Belgium | Rowing | 1984 Summer | |
| Gabriel Cuéllar | Mexico | Road cycling | 1968 Summer | |
| Itzamary González Cuellar [ Wikidata ] | Artistic swimming | 2024 Summer | |
| Leonardo Cuéllar | Football | 1972 Summer | |
| Guillermo Cuello | Argentina | Athletics | 1968 Summer | |
| Miguel Ángel Cuello | Boxing | 1972 Summer | |
| Mirco Cuello | 2020 Summer | |
| Fernando Cuenca | Peru | Road cycling | 1972 Summer | |
| Hugo Cuenca | Venezuela | Swimming | 1976 Summer | |
| Jean-Yves Cuendet | Switzerland | Nordic combined | 1994 Winter, 1998 Winter | |
| Rodolphe Cuendet | Ice hockey | 1920 Summer | |
| Michelle Cueni | Athletics | 2012 Summer | |
| Alfredo Cuentas | Mexico | Shooting | 1988 Summer | |
| Edgar Henri Cuepper | Belgium | Equestrian jumping | 1976 Summer | |
| Jorge Cuervo | Cuba | Artistic gymnastics | 1972 Summer | |
| Damian Cuesta | Handball | 2000 Summer | |
| Elías Cuesta | Spain | Archery | 2012 Summer | |
| Gustavo Cuesta | Dominican Republic | Athletics | 2012 Summer, 2016 Summer | |
| Inocente Cuesta | Cuba | Basketball | 1968 Summer | |
| Marcela Cuesta | Costa Rica | Swimming | 1988 Summer | |
| Pablo Cuesta | Cuba | Water polo | 1992 Summer | |
| Paul de la Cuesta | Spain | Alpine skiing | 2010 Winter, 2014 Winter | |
| Santiago Cuesta | Cuba | Rowing | 1968 Summer | |
| Víctor Cuesta | Argentina | Football | 2016 Summer | |
| Martín Cuestas | Uruguay | Athletics | 2016 Summer | |
| Nicolás Cuestas | 2016 Summer | |
| Pedro Cuesta | Spain | Canoe sprint | 1968 Summer | |
| Juan Manuel Cueto | Dominican Republic | Weightlifting | 1992 Summer | |
| Ángel Cuetos | Spain | Wrestling | 1960 Summer | |
| Fiorella Cueva | Peru | Weightlifting | 2016 Summer | |
| Abelardo Cuevas [ Wikidata ] | Cuba | Art competitions | 1932 Summer | |
| Belén Cuevas | Spain | Road cycling | 1992 Summer | |
| Eduardo Cuevas | Chile | Track cycling | 1984 Summer | |
| Henry Cuevas | Colombia | Road cycling | 1972 Summer | |
| Mario Cuevas | Mexico | Athletics | 1976 Summer | |
| Pablo Cuevas | Uruguay | Tennis | 2016 Summer | |
| Winder Cuevas | Dominican Republic | Athletics | 2012 Summer | |
| Anthony Cuff | New Zealand | Track cycling | 1984 Summer | |
| Nikita Cuffe | Australia | Water polo | 2004 Summer, 2008 Summer | |
| Julio César Cufre | Argentina | Field hockey | 1972 Summer, 1976 Summer | |
| Jean Cugnot | France | Track cycling | 1924 Summer | |
| Frank Cuhel | United States | Athletics | 1928 Summer | |
| Cui Chenxi | China | Skateboarding | 2024 Summer | |
| Elizabeth Cui | New Zealand | Diving | 2016 Summer, 2024 Summer | |
| Cui Jianjun | China | Volleyball | 2008 Summer | |
| Cui Lei | Handball | 2008 Summer | |
| Cui Liang | 2008 Summer | |
| Cui Peng | Football | 2008 Summer | |
| Cui Qiuxia | Field hockey | 2012 Summer, 2016 Summer, 2020 Summer | |
| Cui Shanshan | Ice hockey | 2010 Winter | |
| Cui Shiping | Water polo | 1988 Summer | |
| Cui Wenhua | Weightlifting | 1996 Summer | |
| Cui Xiaotong | Rowing | 2020 Summer, 2024 Summer | |
| Cui Yingzi | Athletics | 1992 Summer | |
| Cui Yining | Fencing | 1984 Summer | |
| Cui Yongmei | Volleyball | 1988 Summer, 1996 Summer | |
| Claudia Cuic | Romania | 3x3 basketball | 2020 Summer | |
| Wu Cuicui [ Wikidata ] | China | Shooting | 2024 Summer | |
| Sjraar Cuijpers | Netherlands | Art competitions | 1936 Summer | |
| Bernhard Cuiper | Germany | Basketball | 1936 Summer | |
| Lucien Cujean | Switzerland | Sailing | 2016 Summer, 2020 Summer | |
| Josip Ćuk | Yugoslavia | Shooting | 1960 Summer | |
| Miloš Ćuk | Serbia | Water polo | 2016 Summer, 2024 Summer | |
| Štefan Cuk | Slovenia | Judo | 1992 Summer | |
| Milan Cukovic | Guam | Weightlifting | 1988 Summer | |
| Nikica Cukrov | Yugoslavia | Football | 1980 Summer | |
| Dave Culbert | Australia | Athletics | 1988 Summer, 1992 Summer | |
| Josh Culbreath | United States | 1956 Summer | |
| Jack Culcay | Germany | Boxing | 2008 Summer | |
| Gheorghe Culcea | Romania | Fencing | 1972 Summer | |
| Antonio Culebras | Spain | Swimming | 1972 Summer | |
| Jim Culhane Jr. | United States | Artistic gymnastics | 1972 Summer | |
| José Culí | Spain | Athletics | 1928 Summer | |
| Milan Ćulibrk | Yugoslavia | Rowing | 1980 Summer | |
| Janka Čulíková | Slovakia | Ice hockey | 2010 Winter | |
| Jason Culina | Australia | Football | 2000 Summer | |
| Iosif Culineac | Romania | Water polo | 1964 Summer, 1972 Summer | |
| Marian Culineac | Boxing | 1972 Summer | |
| Krešimir Čuljak | Croatia | Rowing | 2000 Summer | |
| Jofre Cullell | Spain | Cycling mountain bike | 2020 Summer, 2024 Summer | |
| Crista Cullen | Great Britain | Field hockey | 2008 Summer, 2012 Summer, 2016 Summer | |
| Donald Cullen | Ireland | Athletics | 1928 Summer | |
| George Cullen [ Wikidata ] | Great Britain | Artistic gymnastics | 1908 Summer | |
| John Cullen | New Zealand | Field hockey | 1960 Summer, 1964 Summer | |
| Keith Cullen | Great Britain | Athletics | 1996 Summer, 2000 Summer | |
| Peter Cullen | 1956 Summer | |
| Sonny Cullen | Ireland | Road cycling | 1960 Summer | |
| Stephen Cullen | Swimming | 1988 Summer | |
| Tina Cullen | Great Britain | Field hockey | 1996 Summer, 2000 Summer | |
| Julie Culley | United States | Athletics | 2012 Summer | |
| Indrit Cullhaj | Albania | Judo | 2020 Summer | |
| Bernd Cullmann | Germany | Athletics | 1960 Summer | |
| Harry Cullum | Great Britain | Shooting | 1964 Summer, 1972 Summer | |
| Louis Culot | Belgium | Wrestling | 1948 Summer | |
| Janet Culp | United States | Artistic swimming | 2008 Summer | |
| Alan Culpepper | Athletics | 2000 Summer, 2004 Summer | |
| Shayne Culpepper | 2000 Summer, 2004 Summer | |
| Javier Culson | Puerto Rico | 2008 Summer, 2012 Summer, 2016 Summer | |
| Yumileidi Cumbá | Cuba | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Keith Cumberpatch | New Zealand | Field hockey | 1956 Summer | |
| Hugo Cumbo | Vanuatu | Judo | 2020 Summer, 2024 Summer | |
| Alcides Cuminetti | Argentina | Volleyball | 1984 Summer | |
| Juan Cuminetti | 1988 Summer | |
| Brenda Cuming | Canada | Archery | 1988 Summer | |
| Frederick Cuming | Great Britain | Cricket | 1900 Summer | |
| Frank Cumiskey | United States | Artistic gymnastics | 1932 Summer, 1936 Summer, 1948 Summer | |
| Arthur Cumming | Great Britain | Figure skating | 1908 Summer | |
| Daniel Cumming | Australia | Wrestling | 1988 Summer | |
| Graham Cumming | Zimbabwe | Field hockey | 1964 Summer | |
| Henry Cumming | United States | Athletics | 1928 Summer | |
| Aaron Cummings | Rugby sevens | 2024 Summer | |
| Carol Cummings | Jamaica | Athletics | 1972 Summer, 1976 Summer | |
| Clarence Cummings | United States | Weightlifting | 2020 Summer | |
| David Cummings | Great Britain | Athletics | 1924 Summer | |
| David Cummings | Canada | Wrestling | 1976 Summer | |
| Frank Cummings | Australia | Rowing | 1924 Summer | |
| Iris Cummings | United States | Swimming | 1936 Summer | |
| Jeremy Cummings | Baseball | 2008 Summer | |
| Paul Cummings | Athletics | 1984 Summer | |
| Robert Cummings | Australia | Rowing | 1924 Summer | |
| Steve Cummings | Great Britain | Track cycling, Road cycling | 2004 Summer, 2008 Summer, 2016 Summer | |
| Veronica Cummings | Guam | Swimming | 1988 Summer | |
| David Cummins | Ireland | 1980 Summer | |
| Diane Cummins | Canada | Athletics | 2004 Summer | |
| Edward Cummins | United States | Golf | 1904 Summer | |
| Gus Cummins | Great Britain | Weightlifting | 1924 Summer | |
| Kirk Cummins | Barbados | Athletics | 1996 Summer | |
| Larry Cummins | Great Britain | 1920 Summer | |
| Charles Cumont | Belgium | Modern pentathlon | 1928 Summer | |
| Erin Cumpstone | Canada | Softball | 2004 Summer, 2008 Summer | |
| Merewai Cumu | Fiji | Rugby sevens | 2016 Summer | |
| Teodoro Cuñado | Spain | Athletics | 2000 Summer | |
| Henri Cunault [ Wikidata ] | France | Track cycling | 1908 Summer | |
| Charles Cundall | Great Britain | Art competitions | 1928 Summer, 1932 Summer, 1948 Summer | |
| Cundi | Spain | Football | 1976 Summer | |
| John Cuneo | Australia | Sailing | 1968 Summer, 1972 Summer | |
| Amaro da Cunha | Brazil | Rowing | 1932 Summer | |
| Ana Marcela Cunha | Marathon swimming | 2008 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Aurora Cunha | Portugal | Athletics | 1984 Summer, 1988 Summer, 1992 Summer | |
| Carlos Alberto Cunha | Brazil | Judo | 1980 Summer | |
| Leandro Cunha | 2012 Summer | |
| Luís Cunha | Portugal | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Maria Helena Cunha | Artistic gymnastics | 1960 Summer | |
| Matheus Cunha | Brazil | Football | 2020 Summer | |
| Pedro Cunha | Beach volleyball | 2012 Summer | |
| Zeca Cunha | Hong Kong | Field hockey | 1964 Summer | |
| Dália da Cunha-Sammer | Portugal | Artistic gymnastics | 1952 Summer, 1960 Summer | |
| Pepe Cunill | Spain | Field hockey | 2024 Summer | |
| Reynoldo Cunill | Cuba | Canoe sprint | 1980 Summer | |
| Bruce Cunliffe | United States | Ice hockey | 1948 Winter | |
| Ernie Cunliffe | Athletics | 1960 Summer | |
| Robert Cunliffe | Canada | Rowing | 1972 Summer | |
| John Cunniff | United States | Ice hockey | 1968 Winter | |
| Alexander Cunningham | Australia | Rowing | 1960 Summer | |
| Barbara Cunningham | Artistic gymnastics | 1956 Summer | |
| Caden Cunningham | Great Britain | Taekwondo | 2024 Summer | |
| Colin Cunningham | Swimming | 1972 Summer | |
| David Cunningham | Australia | Ice hockey | 1960 Winter | |
| David Cunningham | Shooting | 1996 Summer, 2000 Summer | |
| Denis Cunningham | Hong Kong | Fencing | 1976 Summer, 1984 Summer | |
| Frederick Cunningham | United States | 1920 Summer | |
| Gabbi Cunningham | Athletics | 2020 Summer | |
| Glenn Cunningham | 1932 Summer, 1936 Summer | |
| Jack Cunningham | Canada | Rowing | 1936 Summer | |
| Joe Cunningham | United States | Tennis | 1904 Summer | |
| Logan Cunningham | Athletics | 2016 Summer | |
| Marian Cunningham | Peru | Equestrian dressage | 1984 Summer | |
| Nathan Cunningham | Canada | Bobsleigh | 2006 Winter | |
| Nick Cunningham | United States | 2010 Winter, 2014 Winter, 2018 Winter | |
| Rick Cunningham | Austria | Ice hockey | 1984 Winter | |
| Tara Cunningham | United States | Weightlifting | 2000 Summer, 2004 Summer | |
| Vashti Cunningham | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Luca Cunti | Switzerland | Ice hockey | 2014 Winter | |
| Pietro Cunti | 1988 Winter | |
| Erich Cuntz | Germany | Field hockey | 1936 Summer | |
| Luigi Cuomo | Italy | Fencing | 1924 Summer | |
| Sandro Cuomo | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Petar Cupać | Croatia | Sailing | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Ivan Čupić | Handball | 2012 Summer, 2016 Summer | |
| Luca Cupido | United States | Water polo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Georgie Cupidon | Seychelles | Badminton | 2008 Summer | |
| Nikola Čupin | Yugoslavia | Rowing | 1960 Summer | |
| Nicol Čupková | Slovakia | Ice hockey | 2010 Winter | |
| Michal Čupr | Czech Republic | Fencing | 2024 Summer | |
| Joanna Cupryś | Poland | Basketball | 2000 Summer | |
| Francisco Cuque | Guatemala | Road cycling | 1968 Summer | |
| Julio Curatella | Argentina | Rowing | 1936 Summer, 1948 Summer | |
| Luca Curatoli | Italy | Fencing | 2020 Summer, 2024 Summer | |
| Maria Curatolo | Athletics | 1988 Summer, 1996 Summer | |
| Joél Curbelo | Puerto Rico | Basketball | 1996 Summer | |
| Juan Curbelo | Cuba | Weightlifting | 1968 Summer, 1972 Summer | |
| Allison Curbishley | Great Britain | Athletics | 1996 Summer, 2000 Summer | |
| Gaetano Curcetti | Italy | Boxing | 1972 Summer | |
| Paolo Curcetti | 1960 Summer | |
| Michael Curcija | Australia | Football | 2000 Summer | |
| Roberto Curcio | Italy | Modern pentathlon | 1948 Summer | |
| Amy Cure | Australia | Track cycling | 2016 Summer | |
| Juan Curet | Puerto Rico | Boxing | 1952 Summer | |
| Ben Cureton | Australia | Rowing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Humberto Curi | Argentina | Boxing | 1928 Summer | |
| Carlos Curiel | Mexico | Diving | 1932 Summer | |
| Hector Curiel | Netherlands Antilles | Weightlifting | 1960 Summer, 1964 Summer | |
| Pedro Curiel | Mexico | Athletics | 1924 Summer | |
| Sylvain Curinier | France | Canoe slalom | 1992 Summer | |
| Laura Curione | Italy | Bobsleigh | 2010 Winter | |
| Ivan Ćurković | Yugoslavia | Football | 1964 Summer | |
| Mario Curletto | Italy | Fencing | 1960 Summer, 1964 Summer | |
| Pauline Curley | Ireland | Athletics | 2008 Summer | |
| Morris Curotta | Australia | 1948 Summer, 1952 Summer | |
| Donald Curphey | Canada | Rowing | 1972 Summer | |
| Geoffrey Curran | Ireland | Equestrian eventing | 2008 Summer | |
| Jim Curran | United States | Cross country skiing | 1992 Winter | |
| Máiréad Curran | Ireland | Equestrian eventing | 1992 Summer | |
| Mike Curran | United States | Ice hockey | 1972 Winter | |
| Paul Curran | Great Britain | Track cycling, Road cycling | 1984 Summer, 1988 Summer | |
| Taylor Curran | Canada | Field hockey | 2016 Summer, 2020 Summer | |
| Tom Curran | United States | Rowing | 1936 Summer | |
| Michel Currat | Switzerland | Swimming | 1952 Summer | |
| Aunese Curreen | Samoa | Athletics | 2008 Summer | |
| Caroline Curren | Australia | Judo | 2000 Summer | |
| Kate Current | Canada | Athletics | 2024 Summer | |
| Alistair Currey | Great Britain | Sailing | 1972 Summer | |
| Andrew Currey | Australia | Athletics | 1996 Summer, 2000 Summer | |
| Charles Currey | Great Britain | Sailing | 1952 Summer | |
| Louise Currey | Australia | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Archie Currie | New Zealand | Field hockey | 1956 Summer | |
| Donald Currie | Australia | 1960 Summer | |
| Gordon Currie | Canada | Bobsleigh | 1964 Winter | |
| John Currie | Cross country skiing | 1932 Winter | |
| Lorne Currie | Great Britain | Sailing | 1900 Summer | |
| Sackville Currie | Ireland | Modern pentathlon | 1980 Summer | |
| David Currier | United States | Alpine skiing | 1972 Winter | |
| Lyman Currier | Freestyle skiing | 2014 Winter | |
| Russell Currier | Biathlon | 2014 Winter | |
| Brian Currutt | Freestyle skiing | 2002 Winter | |
| Manfred Curry | Sailing | 1928 Summer | |
| Brooks Curry | Swimming | 2020 Summer, 2024 Summer | |
| Denise Curry | Basketball | 1984 Summer | |
| Jilly Curry | Great Britain | Freestyle skiing | 1992 Winter, 1994 Winter | |
| John Curry | Figure skating | 1972 Winter, 1976 Winter | |
| Lisa Curry | Australia | Swimming | 1980 Summer, 1984 Summer, 1992 Summer | |
| Peter Curry | Great Britain | Athletics | 1948 Summer | |
| Rafeeq Curry | United States | 2008 Summer | |
| Robert Curry | Wrestling | 1904 Summer | |
| Scott Curry | New Zealand | Rugby sevens | 2016 Summer, 2020 Summer, 2024 Summer | |
| Stephen Curry | United States | Basketball | 2024 Summer | |
| Sélim Curtet [ Wikidata ] | France | Rugby | 1920 Summer | |
| Yvonne Curtet | Athletics | 1948 Summer, 1952 Summer | |
| Jean-Pascal Curtillet | Swimming | 1960 Summer, 1964 Summer | |
| Bryan Curtin | Australia | Rowing | 1972 Summer | |
| Richard Curtin | 1972 Summer | |
| Ann Curtis | United States | Swimming | 1948 Summer | |
| Edward Curtis | Athletics | 1920 Summer | |
| John Curtis | Canada | Sailing | 2004 Summer | |
| Kelly Curtis [ Wikidata ] | United States | Skeleton | 2022 Winter | |
| Louis Curtis | Boxing | 1976 Summer | |
| Nina Curtis | Australia | Sailing | 2012 Summer | |
| Sara Curtis | Italy | Swimming | 2024 Summer | |
| Thomas Curtis | United States | Athletics | 1896 Summer | |
| Cristina Curto | Spain | Judo | 1992 Summer, 1996 Summer | |
| Elena Curtoni | Italy | Alpine skiing | 2022 Winter | |
| Irene Curtoni | 2018 Winter | |
| Eliot Curty | France | Field hockey | 2024 Summer | |
| Gabriel Curuchet | Argentina | Track cycling | 1984 Summer, 1988 Summer, 1996 Summer, 2000 Summer | |
| Juan Curuchet | 1984 Summer, 1988 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Florin Curuea | Romania | Rowing | 2012 Summer | |
| Vasile Curuzan | Canoe sprint | 2000 Summer, 2004 Summer | |
| Paulo Curvelo | Portugal | Athletics | 1988 Summer, 1992 Summer | |
| Pedro Curvelo | 1988 Summer, 1992 Summer | |
| Daisy Curwen | Great Britain | Swimming | 1912 Summer | |
| Guy Cury | France | Athletics | 1956 Summer | |
| Claire Curzan | United States | Swimming | 2020 Summer | |
| Billy Cusack | Great Britain | Judo | 1992 Summer | |
| Neil Cusack | Ireland | Athletics | 1972 Summer, 1976 Summer | |
| Robert Cusack | Australia | Swimming | 1968 Summer | |
| Tom Cusack | Rugby sevens | 2016 Summer | |
| Lisa Cushley | Great Britain | Figure skating | 1988 Winter | |
| Neil Cushley | 1988 Winter | |
| Allerton Cushman | United States | Rowing | 1928 Summer | |
| Clifton Cushman | Athletics | 1960 Summer | |
| Susan Cushman | Canada | Rhythmic gymnastics | 1992 Summer | |
| Tom Cushman | United States | Speed skating | 1988 Winter | |
| José Cusí | Spain | Shooting | 1968 Summer | |
| Marta Cusidó | Artistic gymnastics | 2000 Summer | |
| Ilaria Cusinato | Italy | Swimming | 2020 Summer | |
| Elisa Cusma | Athletics | 2008 Summer | |
| Anișoara Cușmir-Stanciu | Romania | 1984 Summer | |
| Denis Cussen | Ireland | 1928 Summer | |
| Pieter Custers | Netherlands | Archery | 2004 Summer | |
| Betty Cuthbert | Australia | Athletics | 1956 Summer, 1960 Summer, 1964 Summer | |
| John Cuthbert | Canada | 1924 Summer | |
| Juliet Cuthbert | Jamaica | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Kay Cuthbert | Great Britain | Diving | 1948 Summer | |
| Ross Cuthbert | Ice hockey | 1924 Winter, 1928 Winter | |
| Ryan Cuthbert | Canada | Canoe sprint | 2004 Summer, 2008 Summer | |
| Albert Cuthbertson | New Zealand | Sailing | 1956 Summer | |
| William Cuthbertson | Great Britain | Boxing | 1920 Summer | |
| Laura Cutina | Romania | Artistic gymnastics | 1984 Summer | |
| Kurt Cutkelvin | Belize | Road cycling | 1984 Summer | |
| Roger W. Cutler Jr. | United States | Rowing | 1936 Summer | |
| John Cutler | New Zealand | Sailing | 1988 Summer | |
| Lester Cutler | United States | Canoe sprint | 1968 Summer | |
| Robert B. Cutler | Rowing | 1936 Summer | |
| Myriam Cutolo | Italy | Sailing | 2004 Summer | |
| Calistrat Cuțov | Romania | Boxing | 1968 Summer, 1972 Summer, 1976 Summer | |
| Simion Cuțov | 1976 Summer, 1980 Summer | |
| Nina Cutro-Kelly | United States | Judo | 2020 Summer | |
| Angela Cutrone | Canada | Short track speed skating | 1992 Winter | |
| Louis Van Cutsem | Belgium | Art competitions | 1936 Summer | |
| Rick Cuttell | Canada | Athletics | 1972 Summer | |
| Geoffrey Cutter | Great Britain | Field hockey | 1956 Summer, 1964 Summer | |
| Kiki Cutter | United States | Alpine skiing | 1968 Winter | |
| Skip Cutting | Track cycling | 1964 Summer, 1968 Summer | |
| Luke Cutts | Great Britain | Athletics | 2016 Summer | |
| Dalibor Čutura | Serbia | Handball | 2012 Summer | |
| Zoran Čutura | Yugoslavia | Basketball | 1988 Summer | |
| Henri Cuvelier | France | Water polo | 1928 Summer | |
| Sylvie Cuvilly | Canoe sprint | 1988 Summer | |
| Glen Cuyle | Belgium | Artistic gymnastics | 2024 Summer | |
| Alfons De Cuyper [ Wikidata ] | Art competitions | 1920 Summer, 1928 Summer, 1936 Summer | |
| Alain Cuypers | Athletics | 1988 Summer | |
| Louis Cuypers [ Wikidata ] | Fencing | 1920 Summer | |
| Modeste Cuypers | 1928 Summer | |
| Lissette Cuza | Cuba | Athletics | 1996 Summer, 2000 Summer | |
| Bela Čuzdi | Yugoslavia | Wrestling | 1952 Summer | |
| Hugo Cužna [ Wikidata ] | Austria | Rowing | 1912 Summer | |
| Bernard Cuzner | Great Britain | Art competitions | 1948 Summer | |
| Roger Cuzol | France | Athletics | 1936 Summer | |
| Franc Cvenkelj | Yugoslavia | Alpine skiing | 1956 Winter | |
| Ana Cvetanovska [ Wikidata ] | North Macedonia | Cross country skiing | 2022 Winter | |
| Rudolf Cvetko | Austria | Fencing | 1912 Summer | |
| Justin Cvetkov [ Wikidata ] | Serbia | Swimming | 2024 Summer | |
| Borislav Cvetković | Yugoslavia | Football | 1984 Summer | |
| Jovica Cvetković | Handball | 1980 Summer | |
| Vladimir Cvetković | Basketball | 1964 Summer, 1968 Summer | |
| Ľudovít Cvetler | Czechoslovakia | Football | 1964 Summer | |
| Gregor Cvijič | Slovenia | Handball | 2000 Summer | |
| Danko Cvjetićanin | Yugoslavia, Croatia | Basketball | 1988 Summer, 1992 Summer | |
| Vinko Cvjetković | Yugoslavia | Water polo | 1936 Summer | |
| Adam Cwalina | Poland | Badminton | 2012 Summer, 2016 Summer | |
| Krzysztof Cwalina | Swimming | 1992 Summer | |
| Maria Ćwiertniewicz | Canoe slalom | 1972 Summer | |
| Ryszard Ćwikła | Alpine skiing | 1968 Winter | |
| Stanley Cwiklinski | United States | Rowing | 1964 Summer | |
| Małgorzata Cybulska | Poland | Equestrian eventing | 2020 Summer | |
| Grzegorz Cybulski | Athletics | 1972 Summer, 1976 Summer | |
| Jan Cych | 1968 Summer | |
| Agnieszka Cyl | Biathlon | 2010 Winter | |
| Wawrzyniec Cyl | Football | 1924 Summer | |
| Gaston Cyprès | France | 1908 Summer | |
| Denilson Cyprianos | Zimbabwe | Swimming | 2024 Summer | |
| Antoine Cyr | Canada | Cross country skiing | 2022 Winter | |
| Éric Cyr | Baseball | 2004 Summer | |
| Steve Cyr | Biathlon | 1992 Winter, 1994 Winter, 1998 Winter | |
| Czesław Cyraniak | Poland | Boxing | 1936 Summer | |
| Wilfrid Cyriaque | Haiti | Athletics | 1976 Summer | |
| Sarah-Léonie Cysique | France | Judo | 2020 Summer, 2024 Summer | |
| Ludwik Czachowski | Poland | Ice hockey | 1972 Winter | |
| Piotr Czaczka | Handball | 1980 Summer | |
| Béla Czafik | Hungary | Volleyball | 1964 Summer | |
| Bolesław Czaiński | Poland | Field hockey | 1972 Summer | |
| Dominik Czaja | Rowing | 2020 Summer, 2024 Summer | |
| Jakub Czaja | Athletics | 2004 Summer | |
| Wiesław Czaja | Volleyball | 1980 Summer | |
| Małgorzata Czajczyńska | Canoe sprint | 2004 Summer | |
| Eugeniusz Czajka | Field hockey | 1952 Summer | |
| Jerzy Czajka | 1972 Summer | |
| Krystyna Czajkowska | Volleyball | 1964 Summer, 1968 Summer | |
| Azja Czajkowski | United States | Rowing | 2024 Summer | |
| Konrad Czajkowski | Poland | Track cycling | 2000 Summer | |
| Marcin Czajkowski | Sailing | 2004 Summer, 2008 Summer | |
| Przemysław Czajkowski | Athletics | 2012 Summer | |
| Zoltan Czaka | Romania | Ice hockey | 1964 Winter, 1968 Winter | |
| Csaba Czakó | Hungary | Rowing | 1972 Summer | |
| György Czakó | Figure skating | 1952 Winter | |
| Krisztina Czakó | 1992 Winter, 1994 Winter | |
| Mária Czaková | Slovakia | Athletics | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Attila Czanka | Romania, Hungary | Weightlifting | 1988 Summer, 1992 Summer | |
| Paweł Czapiewski | Poland | Athletics | 2008 Summer | |
| Agata Czaplicki | Switzerland | Swimming | 2000 Summer | |
| Zuzanna Czapska [ Wikidata ] | Poland | Alpine skiing | 2022 Winter | |
| Jaime Czarkowski | United States | Artistic swimming | 2024 Summer | |
| Kaj Czarnecki | Finland | Fencing | 1960 Summer | |
| Kazimierz Czarnecki | Poland | Weightlifting | 1976 Summer | |
| Vanessa Czarnecki | Greece | Softball | 2004 Summer | |
| Andrzej Czarniak | Poland | Alpine skiing | 1952 Winter | |
| Włodzimierz Czarniak | 1956 Winter | |
| Joseph Czarnota | United States | Ice hockey | 1952 Winter | |
| Ortwin Czarnowski | West Germany | Road cycling | 1968 Summer | |
| Bronisław Czech | Poland | Nordic combined, Ski jumping, Cross country skiing, Alpine skiing | 1928 Winter, 1932 Winter, 1936 Winter | |
| Rudolf Czech | Ice hockey | 1952 Winter, 1956 Winter | |
| Zbigniew Czech | Art competitions | 1932 Summer | |
| Rita Czech-Blasl | Germany | Cross country skiing | 1956 Winter, 1960 Winter, 1964 Winter | |
| Zenon Czechowski | Poland | Road cycling | 1968 Summer | |
| Péter Czégai | Hungary | Sailing | 2004 Summer | |
| Barbara Czekalla | East Germany | Volleyball | 1976 Summer, 1980 Summer | |
| Kurt Czekalla | Shooting | 1968 Summer | |
| Eszter Czékus | Hungary | Artistic swimming | 2012 Summer | |
| Liz Czenczek | Canada | Field hockey | 1988 Summer | |
| Attila Czene | Hungary | Swimming | 1992 Summer, 1996 Summer, 2000 Summer | |
| Patrycja Czepiec | Poland | Basketball | 2000 Summer | |
| Jan Czepułkowski | Weightlifting | 1956 Summer | |
| Jerzy Czerbniak | Athletics | 1972 Summer | |
| Mariusz Czerkawski | Ice hockey | 1992 Winter | |
| Ulrich Czermak | Germany | Modern pentathlon | 1992 Summer | |
| Alfredo Czerner | Argentina | Rowing | 1952 Summer | |
| Konrad Czerniak | Poland | Swimming | 2012 Summer, 2016 Summer, 2020 Summer | |
| Józefa Czerniawska-Pęksa | Cross country skiing | 1956 Winter, 1960 Winter, 1968 Winter | |
| Krystian Czernichowski | Basketball | 1964 Summer | |
| Edward Czernik | Athletics | 1964 Summer | |
| Przemysław Czerwiński | 2008 Summer | |
| Ryszard Czerwiński | Boxing | 1980 Summer | |
| Tadeusz Czerwiński | Shooting | 1992 Summer, 1996 Summer | |
| Natalia Czerwonka | Speed skating | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Tommy Czeschin | United States | Snowboarding | 2002 Winter | |
| Maria Cześnik | Poland | Triathlon | 2008 Summer, 2012 Summer | |
| Zoltán Czibor | Hungary | Football | 1952 Summer | |
| Zoltán Cziffra | Athletics | 1968 Summer | |
| Bettina Lili Czifra | Artistic gymnastics | 2024 Summer | |
| Kathalin Czifra | Biathlon | 1992 Winter | |
| Dóra Czigány | Water polo | 2012 Summer, 2016 Summer | |
| Kinga Czigány | Canoe sprint | 1992 Summer, 1996 Summer | |
| Juraj Czinege | Slovakia | Football | 2000 Summer | |
| Zsolt Czingler | Hungary | Athletics | 1996 Summer, 2000 Summer | |
| Melinda Czink | Tennis | 2004 Summer | |
| Tibor Czinkán | Basketball | 1952 Summer | |
| Ferenc Cziráki | Handball | 1936 Summer | |
| Grzegorz Cziura | Poland | Weightlifting | 1972 Summer, 1976 Summer | |
| Agnieszka Czopek | Swimming | 1980 Summer | |
| Antoni Czortek | Boxing | 1936 Summer | |
| Harald Czudaj | Germany | Bobsleigh | 1992 Winter, 1994 Winter, 1998 Winter | |
| Zoltán Czukor | Hungary | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| Ferenc Czvikovszki | Fencing | 1960 Summer | |
| Damian Czykier | Poland | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Martyna Czyrniańska | Volleyball | 2024 Summer | |
| Magdalena Czyszczoń | Speed skating | 2018 Winter, 2022 Winter | |
| Maciej Czyżowicz | Modern pentathlon | 1988 Summer, 1992 Summer, 1996 Summer | |