Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Chen Li-Ju | ARC | Olympics | 2004 | 1–0–0 2009 Beograd ARC gold: compound team | |
| Chen Ling | ARC | Olympics | 2008 | 0–0–1 2009 Beograd ARC bronze: recurve team | |
| Chen Luyun | BKB | Olympics | 2004 | 1–1–0 2001 Beijing BAS silver; 2003 Daegu BAS gold | |
| Chen Nan | BKB | Olympics | 2004—2016 | 1–1–0 2001 Beijing BAS silver; 2003 Daegu BAS gold | |
| Chen Peina | SAL | Olympics | 2016 | 1–0–0 2011 Shenzhen SAI gold: RS:X | |
| Chen Ruolin | DIV | Olympics / Torch Bearer | 2008—2016 | 2–0–0 2011 Shenzhen DIV gold: synchronized platform and team | |
| Chen Shih-Chieh | WLF | Olympics / Opening Flagbearer | 2012—2016 | 0–1–0 2017 Taipei WLT silver: super-heavyweight -105 kg | |
| Chen Szu-Yu | TTE | Olympics | 2012—2024 | 0–3–3 2011 Shenzhen TTN bronze: team; 2013 Kazan TTN silver: team; 2015 Gwangju TTN silver: mixed doubles and team; 2017 Taipei TTN bronze: mixed doubles and team | |
| Chen Tien-Wen | ATH | Olympics | 2000 | 0–0–1 2001 Beijing ATH bronze: 400 m hurdles | |
| Chen Xiaodong | FEN | Olympics | 2012 | 1–0–0 2011 Shenzhen FEN gold: sabre team | |
| Chen Xiaoli | BKB | Olympics | 2008—2012 | 0–1–0 2001 Beijing BAS silver | |
| Chen Xiaoxia | DIV | Olympics | 1984 | 2–1–0 1979 Ciudad de México DIV gold: platform, silver: 3 m springboard; 1981 București DIV gold: platform | |
| Chen Yanping | ATH | Olympics | 1988—1992 | 0–1–0 1991 Sheffield ATH silver: triple jump | |
| Chen Yanyan | SWM | Olympics | 2008 | 0–1–1 2007 Bangkok SWI silver: 4×100 m freestyle relay, bronze: 100 m backstroke | |
| Chen Yibing | GAR | Olympics | 2008—2012 | 1–0–1 2005 İzmir GYM gold: rings, bronze: team | |
| Chen Yin | SWM | Olympics | 2008—2012 | 0–1–0 2007 Bangkok SWI silver: 200 m butterfly | |
| Chen Yu-Hsuan | ATH | Olympics | 2016 | 0–0–1 2017 Taipei ATH bronze: half marathon team | |
| Chen Yueling | ATH | Olympics | 1992—2000 | 0–1–0 1991 Sheffield ATH silver: 10 km (competed for China) | |
| Taisiya Chenchik | ATH | Olympics | 1960—1964 | 1–0–0 1963 Porto Alegre ATH gold: high jump | |
| Cheng Chao-Tsun | ATH | Olympics / YOG / Opening Flagbearer | 2010—2020 | 1–0–0 2017 Taipei ATH gold: javelin throw | |
| Cheng Fei | GAR | Olympics | 2004—2008 | 1–1–0 2009 Beograd GYM gold: team, silver: vault | |
| Cheng I-Ching | TTE | Olympics | 2016—2024 | 0–4–3 2011 Shenzhen TTN bronze: team; 2013 Kazan TTN silver: team; 2015 Gwangju TTN silver: doubles and team; 2015 Gwangju TTN bronze: mixed doubles; 2017 Taipei TTN silver: singles, bronze: team | |
| Cheng Shao-Chieh | BDM | Olympics | 2004—2012 | 1–2–2 2007 Bangkok BDM silver: singles, bronze: team; 2011 Shenzhen BDM gold: singles, silver: doubles, bronze: team | |
| Cheng Wen-Hsing | BDM | Olympics | 2004—2012 | 1–1–1 2007 Bangkok BDM gold: doubles, silver: mixed doubles, bronze: team | |
| Cheng Xiaoyan | ATH | Olympics | 2000 | 0–1–0 1995 Fukuoka ATH silver: shot put | |
| Cheong Jun Hoong | DIV | Olympics | 2012—2020 | 0–0–1 2011 Shenzhen DIV bronze: team | |
| Marina Chepurkova | SWM | Olympics | 2000 | 0–0–1 2001 Beijing SWI bronze: 4×100 m medley relay | |
| Igor Cherdakov | SWM | Olympics | 1972 | 0–2–0 1973 Moskva SWI silver: 100 m breaststroke and 200 m breaststroke | |
| Aleksey Cheremisinov | FEN | Olympics | 2012—2016 | 3–0–0 2007 Bangkok FEN gold: foil team; 2013 Kazan FEN gold: foil and foil team | |
| Yuliya Chermoshanskaya | ATH | Olympics | 2008 | 1–0–0 2005 İzmir ATH gold: 4×100 m relay | |
| Maryna Cherniak | JUD | Olympics | 2016 | 0–0–1 2013 Kazan JUD bronze: extra-lightweight -48 kg | |
| Issam Chernoubi | TKW | Olympics | 2012 | 0–0–1 2011 Shenzhen TKW bronze: welterweight -80 kg | |
| Gennady Chernovol | ATH | Olympics | 2000—2004 | 0–2–0 2001 Beijing ATH silver: 100 m and 200 m | |
| Dmitry Chernyshov | SWM | Olympics | 2000 | 1–1–2 1997 Catania SWI bronze: 4×100 m medley relay; 1999 Palma de Mallorca SWI silver: 4×100 m medley relay, bronze: 200 m freestyle; 2003 Daegu SWI gold: 4×200 m freestyle relay | |
| Vladimir Chernyshov | VVO | Olympics | 1976—1980 | 1–1–0 1970 Torino VOL silver; 1973 Moskva VOL gold | |
| Lyudmila Chernyshova | VVO | Olympics | 1976—1980 | 1–0–0 1973 Moskva VOL gold (competed as Lyudmila Prokoshina) | |
| Charles Cheruiyot | ATH | Olympics | 1984—1988 | 0–1–0 1989 Duisburg ATH silver: 5000 m | |
| Kip Cheruiyot | ATH | Olympics | 1984—1988 | 1–0–0 1989 Duisburg ATH gold: 1500 m | |
| Ihor Chervynskyi | OWS/SWM | Olympics | 2000—2012 | 0–2–1 2003 Daegu SWI silver: 800 m freestyle and 1500 m freestyle; 2005 İzmir SWI bronze: 1500 m freestyle | |
| Georgy Chevychalov | ATH | Olympics | 1960 | 0–1–0 1961 Sofia ATH silver: 400 m hurdles | |
| Alexandrina Chezan | VVO | Olympics | 1964 | 0–1–0 1965 Budapest VOL silver | |
| Chi Shu-Ju | TKW | Olympics | 2000—2004 | 0–0–1 2003 Daegu TKW bronze: featherweight -59 kg | |
| Chiang Hung-Chieh | TTE | Olympics | 2016 | 4–3–4 2007 Bangkok TTN silver: doubles and team; 2009 Beograd TTN gold: singles and mixed doubles; 2013 Kazan TTN gold: doubles and team; 2015 Gwangju TTN gold: doubles, silver: mixed doubles, bronze: team; 2017 Taipei TTN bronze: doubles and team | |
| Chiang Mei-Hui | BDM | YOG | 2010 | 1–0–1 2017 Taipei BDM gold: mixed team, bronze: singles | |
| Chiang Nien-Hsin | WLF | Olympics / YOG | 2014—2020 | 0–0–1 2017 Taipei WLT bronze: middleweight -63 kg | |
| Chiang Peng-Lung | TTE | Olympics / Opening Flagbearer | 1996—2008 | 0–1–3 2001 Beijing TTN silver: team, bronze: doubles and mixed doubles; 2007 Bangkok TTN bronze: mixed doubles | |
| Anna Chicherova | ATH | Olympics | 2004—2012 | 1–0–0 2005 İzmir ATH gold: high jump | |
| Alexandru Chiculiță | FEN | Olympics | 1984—1992 | 0–0–1 1981 București FEN bronze: sabre team | |
| Chien Yu-Chin | BDM | Olympics | 2004—2012 | 1–0–1 2007 Bangkok BDM gold: doubles, bronze: team | |
| Marcelo Chierighini | SWM | Olympics | 2012—2024 | 0–1–0 2011 Shenzhen SWI silver: 4×100 m freestyle relay | |
| Laura Chiesa | FEN | Olympics | 1996 | 0–1–0 1991 Sheffield FEN silver: épée team | |
| Vlada Chigiryova | SWA | Olympics | 2016—2020 | 2–0–0 2013 Kazan SYN gold: team and team Free Routine Combination | |
| Mercedes Chilla | ATH | Olympics | 2004—2008 | 0–0–1 2003 Daegu ATH bronze: javelin throw | |
| Svetlana Chimrova | SWM | Olympics | 2016—2020 | 0–1–0 2015 Gwangju SWI silver: 50 m butterfly | |
| Carlos Chinin | ATH | Olympics | 2008 | 0–0–1 2007 Bangkok ATH bronze: decathlon | |
| Valentin Chistyakov | ATH | Olympics | 1960—1964 | 2–0–0 1961 Sofia ATH gold: 110 m hurdles and 4×100 m relay | |
| Marius Chițiga | VVO | Olympics | 1980 | 1–0–0 1981 București VOL gold | |
| Cristina Chiuso | SWM | Olympics | 1992—2008 | 0–5–1 1995 Fukuoka SWI silver: 4×100 m freestyle relay; 1997 Catania SWI silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay; 1999 Palma de Mallorca SWI silver: 50 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay | |
| Silvia Chivás | ATH | Olympics | 1972—1976 | 1–0–1 1977 Sofia ATH gold: 200 m, bronze: 100 m | |
| Nadezhda Chizhova | ATH | Olympics | 1968—1976 | 2–1–0 1965 Budapest ATH silver: shot put; 1970 Torino ATH gold: shot put; 1973 Moskva ATH gold: shot put | |
| Karolina Chlewińska | FEN | Olympics | 2008—2012 | 0–1–0 2011 Shenzhen FEN silver: foil team | |
| Sebastian Chmara | ATH | Olympics | 1996 | 0–1–0 1995 Fukuoka ATH silver: decathlon | |
| Andrés Chocho | ATH | Olympics / Closing Flagbearer | 2008—2020 | 0–1–0 2011 Shenzhen ATH silver: 20 km walk | |
| Petra Chocová | SWM | Olympics | 2012 | 0–1–0 2013 Kazan SWI silver: 50 m breaststroke | |
| Choe Hyo-Sim | WLF | Olympics | 2016 | 0–1–0 2013 Kazan WLT silver: lightweight -58 kg | |
| Choe Hyong-Gil | DIV | Olympics | 1996—2004 | 0–2–1 2001 Beijing DIV silver: synchronized platform; 2003 Daegu DIV silver: synchronized platform, bronze: platform | |
| Choe Kum-Hui | DIV | Olympics | 2008 | 0–2–1 2005 İzmir DIV silver: synchronized platform; 2007 Bangkok DIV silver: synchronized platform; 2009 Beograd DIV bronze: synchronized platform | |
| Choe Song-Hui | DIV | Olympics | 2000 | 0–0–1 2001 Beijing DIV bronze: team | |
| Giorgi Chogovadze | DIV | Olympics | 1988—1992 | 0–0–1 1987 Zagreb DIV bronze: platform (competed for the Soviet Union) | |
| Choi Byeong-Cheol | FEN | Olympics | 2004—2012 | 0–1–0 2003 Daegu FEN silver: foil team | |
| Choi Eun-Suk | FEN | Olympics | 2012—2016 | 0–1–0 2013 Kazan FEN silver: épée team | |
| Choi Gwang-Hyeon | JUD | Olympics | 2012 | 1–0–0 2009 Beograd JUD gold: team | |
| Choi Gyong-Hui | GAR | Olympics | 1992 | 3–0–0 1991 Sheffield GYM gold: uneven bars, balance beam, and team | |
| Choi Hye-Ra | SWM | Olympics | 2008—2012 | 0–1–1 2011 Shenzhen SWI silver: 200 m medley, bronze: 400 m butterfly | |
| Choi In-Jeong | FEN | Olympics | 2012—2024 | 0–1–0 2013 Kazan FEN silver: épée team | |
| Choi Jong-Gyu | BKB | Olympics | 1968 | 0–1–0 1967 Tokyo BAS silver | |
| Choi Jong-Ok | VVO | Olympics | 1972 | 0–0–1 1970 Torino VOL bronze | |
| Choi Mi-Seon | ARC | Olympics | 2016 | 3–3–0 2015 Gwangju ARC silver: recurve and recurve team; 2017 Taipei ARC gold: recurve team and recurve mixed team; 2019 Napoli ARC gold: recurve team, silver: recurve | |
| Choi Min-Ho | JUD | Olympics | 2004—2008 | 0–0–1 2001 Beijing JUD bronze: extra-lightweight -60 kg | |
| Choi Seung-U | CTR | Olympics | 2012 | 0–0–1 2011 Shenzhen CYC bronze: points race | |
| Choi Tae-Ung | VVO | Olympics | 2000 | 1–0–0 2003 Daegu VOL gold | |
| Choi Yong-Sin | JUD | Olympics | 2000 | 0–1–1 1999 Palma de Mallorca JUD bronze: lightweight -73 kg; 2001 Beijing JUD silver: lightweight -73 kg | |
| Choi Yun-Gyeom | FBL | Olympics | 1988 | 0–1–0 1987 Zagreb FTB silver | |
| Lidia Chojecka | ATH | Olympics | 2000—2008 | 0–0–1 1997 Catania ATH bronze: 1500 m | |
| Georgi Chomakov | FEN | Olympics | 1980—1988 | 0–1–0 1985 Kobe FEN silver: sabre team | |
| Valdemaras Chomičius | BKB | Olympics | 1988—1992 | 1–0–0 1985 Kobe BAS gold | |
| Arli Chontey | WLF | Olympics | 2016 | 0–0–1 2017 Taipei WLT bronze: bantamweight -56 kg | |
| Thanyalak Chotphibunsin | SHO | Olympics | 2008 | 1–2–0 2013 Kazan SHO silver: 50 m rifle prone and 50 m rifle prone team; 2015 Gwangju SHO gold: 50 m rifle prone team | |
| Chou Tien-Chen | BDM | Olympics | 2016—2024 | 0–0–4 2011 Shenzhen BDM bronze: team; 2013 Kazan BDM bronze: singles and team; 2015 Gwangju BDM bronze: singles | |
| Jean-Marc Chouinard | FEN | Olympics | 1984—1996 | 0–1–0 1987 Zagreb FEN silver: épée team | |
| Kate Christowitz | ROW | Olympics | 2016 | 0–1–0 2013 Kazan ROW silver: lightweight coxless fours | |
| Ludomir Chronowski | FEN | Olympics | 1980—1988 | 0–1–0 1983 Edmonton FEN silver: épée team | |
| Chu Mu-Yen | TKW | Olympics | 2004—2008 | 1–0–0 2003 Daegu TKW gold: flyweight -58 kg | |
| Chu Yafei | ATH | Olympics | 2008 | 1–0–0 2007 Bangkok ATH gold: 20 km walk | |
| Chuang Chia-Chia | TKW | Olympics | 2016 | 1–2–1 2011 Shenzhen TKW gold: middleweight -73 kg; 2015 Gwangju TKW silver: welterweight -67 kg, bronze: Kyorugi team; 2017 Taipei TKW silver: welterweight -67 kg | |
| Chuang Chia-Jung | TEN | Olympics | 2008—2012 | 5–0–1 2003 Daegu TEN gold: doubles; 2005 Izmir TEN gold: doubles and mixed doubles; 2007 Bangkok TEN gold: doubles, bronze: mixed doubles; 2009 Beograd TEN gold: mixed doubles | |
| Chuang Chih-Yuan | TTE | Olympics | 2004—2024 | 1–1–1 2001 Beijing TTN silver: team; 2007 Bangkok TTN gold: doubles; 2007 Bangkok TTN bronze: singles | |
| Clement Chukwu | ATH | Olympics | 1996—2000 | 1–0–0 1997 Catania ATH gold: 400 m | |
| Dmytro Chumak | FEN | Olympics | 2008 | 1–0–1 2005 İzmir FEN gold: épée team, bronze: épée | |
| Chung Jeong-Yeon | JUD | Olympics | 2012 | 0–1–1 2009 Beograd JUD silver: team, bronze: extra-lightweight -48 kg | |
| Dave Churchill | SWM | Olympics | 1984 | 0–1–0 1983 Edmonton SWI silver: 4×100 m medley relay (swam in heats only) | |
| Marcos Chuva | ATH | Olympics | 2012 | 0–0–1 2013 Kazan ATH bronze: long jump | |
| Sławomir Cieślakowski | ROW | Olympics | 1988 | 1–0–0 1987 Zagreb ROW gold: quadruple sculls | |
| Ján Cifra | VVO | Olympics | 1980 | 0–1–0 1977 Sofia VOL silver | |
| Milorad Čikić | ATH | Olympics | 1972 | 0–1–0 1975 Roma ATH silver: 4×400 m relay | |
| Giuseppe Cindolo | ATH | Olympics | 1972—1976 | 0–0–1 1970 Torino ATH bronze: 5000 m | |
| Gheorghe Ciobotaru | WRE | Olympics | 1976 | 0–2–0 1977 Sofia WRE silver: Greco-Roman welterweight -74 kg; 1981 București WRE silver: Greco-Roman welterweight -74 kg | |
| Mihai Cioc | JUD | Olympics | 1980—1984 | 0–1–0 1985 Kobe JUD silver: heavyweight +95 kg | |
| Ivo Cipci | WPO | Olympics / Non-starter | 1956—1960 | 1–0–0 1959 Torino WAP gold | |
| Angelo Cipolloni | ATH | Olympics | 1996 | 0–0–1 1995 Fukuoka ATH bronze: 4×100 m relay | |
| Andrea Cipressa | FEN | Olympics | 1984—1988 | 3–0–2 1981 București FEN gold: foil team; 1983 Edmonton FEN gold: foil team; 1985 Kobe FEN bronze: foil team; 1989 Duisburg FEN bronze: foil team; 1991 Sheffield FEN gold: foil team | |
| Aleksandar Ćirić | WPO | Olympics | 2000—2008 | 1–0–0 1995 Fukuoka WAP gold | |
| Suzana Ćirić | ATH | Olympics | 1992—1996 | 0–2–0 1991 Sheffield ATH silver: 10000 m (competed for Yugoslavia); 1993 Buffalo ATH silver: 10000 m (competed as Independent Participant) | |
| Miklós Cirjenics | JUD | Olympics | 2016—2020 | 0–0–1 2013 Kazan JUD bronze: team | |
| Cheick Sallah Cissé | TKW | Olympics / Opening Flagbearer | 2016—2024 | 0–1–0 2015 Gwangju TKW silver: welterweight -80 kg | |
| Doina Ciucanu-Robu | ROW | Olympics | 1988—1996 | 1–0–0 1987 Zagreb ROW gold: quadruple sculls (competed as Doina Ciucanu) | |
| Birgit Clarius | ATH | Olympics | 1992 | 1–0–0 1991 Sheffield ATH gold: heptathlon | |
| Joetta Clark-Diggs | ATH | Olympics | 1988—2000 | 0–0–2 1985 Kobe ATH bronze: 4×400 m relay (competed as Joetta Clark); 1987 Zagreb ATH bronze: 800 m (competed as Joetta Clark) | |
| Karen Clarke | ATH | Olympics | 1992 | 0–0–1 1997 Catania ATH bronze: 4×100 m relay | |
| Cédric Claverie | JUD | Olympics | 2004 | 0–0–2 2001 Beijing JUD bronze: half-middleweight -81 kg and team | |
| Benoît Clément | SWM | Olympics | 1984 | 0–0–1 1985 Kobe SWI bronze: 4×200 m freestyle relay | |
| Frank Clement | ATH | Olympics | 1976 | 1–0–0 1973 Moskva ATH gold: 1500 m | |
| Brenda Cliette | ATH | Non-starter | 1984 | 2–0–0 1983 Edmonton ATH gold: 4×100 m relay; 1985 Kobe ATH gold: 4×100 m relay | |
| Guylaine Cloutier | SWM | Olympics | 1988—1996 | 2–1–2 1991 Sheffield SWI gold: 100 m breaststroke, silver: 4×100 m medley relay; 1993 Buffalo SWI gold: 100 m breaststroke, bronze: 200 m breaststroke and 4×100 m medley relay | |
| Beatrice Coadă-Cășlaru | SWM | Olympics | 1992—2004 | 0–1–0 1999 Palma de Mallorca SWI silver: 400 m medley (competed as Beatrice Caslaru) | |
| Selahattin Çobanoğlu | ATH | Olympics | 2004 | 0–1–0 2005 İzmir ATH silver: 800 m | |
| Miguelina Cobián | ATH | Olympics | 1964—1968 | 0–2–3 1963 Porto Alegre ATH bronze: 100 m, 200 m, and 4×100 m relay; 1965 Budapest ATH silver: 100 m and 200 m | |
| Neil Cochran | SWM | Olympics | 1984—1988 | 1–0–1 1987 Zagreb SWI gold: 200 m medley, bronze: 4×200 m freestyle relay | |
| Piero Codia | SWM | Olympics | 2016 | 0–1–2 2013 Kazan SWI bronze: 50 m butterfly, 2015 Gwangju SWI silver: 100 m butterfly, bronze: 50 m butterfly | |
| Rosemar Coelho | ATH | Olympics | 2004—2008 | 0–1–1 2001 Beijing ATH silver: 4×100 m relay; 2003 Daegu ATH bronze: 4×100 m relay | |
| Veronica Cogeanu-Cochela | ROW | Olympics | 1988—2000 | 2–1–0 1987 Zagreb ROW gold: quadruple sculls (competed as Veronica Cogeanu); 1993 Buffalo ROW gold: single sculls, silver: coxless fours (competed as Veronica Cochela) | |
| Cristieana Cojocaru | ATH | Olympics | 1984 | 0–2–0 1985 Kobe ATH silver: 800 m and 400 m hurdles | |
| Federico Colbertaldo | SWM | Olympics | 2008 | 0–1–2 2009 Beograd SWI silver: 800 m freestyle, bronze: 400 m freestyle and 1500 m freestyle | |
| Bree Cole | DIV | Olympics | 2008 | 0–0–1 2005 İzmir DIV bronze: synchronized springboard | |
| Brendan Cole | ATH | Olympics | 2012 | 1–0–0 2009 Beograd ATH gold: 4×400 m relay | |
| Lynn Colella | SWM | Olympics | 1972 | 3–0–0 1970 Torino SWI gold: 100 m butterfly, 200 m medley, and 4×100 m medley relay | |
| Rick Colella | SWM | Olympics | 1972—1976 | 1–1–0 1970 Torino SWI gold: 200 m breaststroke, silver: 400 m medley | |
| Florence Colle | ATH | Olympics | 1988 | 0–0–1 1987 Zagreb ATH bronze: 100 m hurdles | |
| Philippe Collet | ATH | Olympics | 1988—1992 | 0–1–0 1985 Kobe ATH silver: pole vault | |
| Michelle Collins | ATH | Olympics | 2000 | 2–0–1 1991 Sheffield ATH bronze: 200 m; 1993 Buffalo ATH gold: 400 m and 4×400 m relay | |
| Marie Collonvillé | ATH | Olympics | 2004—2008 | 0–0–2 1997 Catania ATH bronze: high jump and heptathlon | |
| Andrea Colombo | ATH | Olympics | 2000 | 0–0–3 1995 Fukuoka ATH bronze: 4×100 m relay; 1999 Palma de Mallorca ATH bronze: 4×100 m relay; 2001 Beijing ATH bronze: 4×100 m relay | |
| María Colón | ATH | Olympics / Administrator | 1980—2020 | 0–0–1 1985 Kobe ATH bronze: javelin throw | |
| Slobodanka Čolović | ATH | Olympics | 1988 | 1–0–0 1987 Zagreb ATH gold: 800 m | |
| Dragoș Coman | SWM | Olympics | 2000—2008 | 1–1–1 2001 Beijing SWI silver: 400 m freestyle; 2003 Daegu SWI bronze: 400 m freestyle; 2007 Bangkok ATH gold: 400 m freestyle | |
| Nadia Comăneci | GAR | Olympics / Torch Bearer | 1976—2024 | 5–0–0 1981 București GYM gold: all-around, floor, horse vault, uneven bars, and team | |
| Philippe Comtois | DIV | Olympics | 1996—2004 | 0–1–1 1995 Fukuoka DIV bronze: team, 1999 Palma de Mallorca DIV silver: 1 m springboard | |
| Jhennifer Conceição | SWM | Olympics | 2016 | 1–0–0 2019 Napoli SWI gold: 50 m breaststroke | |
| Diego Confalonieri | FEN | Olympics | 2008 | 0–1–0 2001 Beijing FEN silver: épée team | |
| Cong Xuedi | BKB | Olympics | 1984—1992 | 0–0–1 1987 Zagreb BAS bronze | |
| Jack Conger | SWM | Olympics | 2016 | 2–2–2 2013 Kazan SWI gold: 200 m backstroke, bronze: 4×100 m medley relay; 2015 Gwangju SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle and 4×100 m medley relay, bronze: 100 m backstroke | |
| Mike Conley | ATH | Olympics | 1984—1996 | 0–1–0 1983 Edmonton ATH silver: triple jump | |
| Keith Connor | ATH | Olympics | 1980—1984 | 0–0–1 1981 București ATH bronze: triple jump | |
| Rosaria Console | ATH | Olympics | 2004—2012 | 1–0–0 1999 Palma de Mallorca ATH gold: half marathon | |
| Ionel Constantin | CSP | Olympics | 1984 | 0–0–1 1987 Zagreb CAN bronze: K4 1000 m | |
| Hollis Conway | ATH | Olympics | 1988—1992 | 1–1–0 1989 Duisburg ATH silver: high jump; 1991 Sheffield ATH gold: high jump | |
| Chris Cook | SWM | Olympics | 2004—2008 | 0–1–0 2003 Daegu SWI silver: 100 m breaststroke | |
| Garry Cook | ATH | Olympics | 1984 | 0–1–0 1979 Ciudad de México ATH silver: 800 m | |
| Rebecca Cooke | SWM | Olympics | 2000—2004 | 4–3–1 2003 Daegu SWI gold: 400 m freestyle, 800 m freestyle, and 1500 m freestyle, bronze: 400 m medley; 2005 İzmir SWI gold: 800 m freestyle, silver: 400 m freestyle, 1500 m freestyle, and 400 m medley | |
| Reid Coolsaet | ATH | Olympics | 2012—2016 | 0–1–0 2005 İzmir ATH silver: 5000 m | |
| Eswort Coombs | ATH | Olympics / Opening Flagbearer | 1992—1996 | 1–0–0 1995 Fukuoka ATH gold: 400 m | |
| John Cooper | ATH | Olympics | 1964—1968 | 0–0–1 1961 Sofia ATH bronze: 4×400 m relay | |
| Todd Cooper | SWM | Olympics | 2004—2008 | 0–2–0 2005 İzmir SWI silver: 100 m butterfly and 4×100 m freestyle relay | |
| Paul Copu | ATH | Olympics | 1980 | 1–1–0 1977 Sofia ATH silver: 3000 m steeplechase; 1979 Ciudad de México ATH gold: 3000 m steeplechase | |
| André Cordeiro | SWM | Olympics | 1996 | 0–1–0 1995 Fukuoka SWI silver: 4×100 m freestyle relay | |
| Giovanni Cornacchia | ATH | Olympics | 1960—1968 | 0–1–0 1965 Budapest ATH silver: 110 m hurdles | |
| Daniel Corral | GAR | Olympics | 2012—2020 | 0–1–0 2013 Kazan GYM silver: pommelled horse | |
| Luciano Corrêa | JUD | Olympics | 2008—2012 | 0–0–2 2003 Daegu JUD bronze: half-heavyweight -100 kg and open class | |
| Paulo Roberto Correia | ATH | Olympics | 1980—1984 | 0–0–1 1981 București ATH bronze: 4×400 m relay (ran in heats only) | |
| Ritz Correia | SWM | Olympics | 2004 | 3–0–0 2005 İzmir SWI gold: 50 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay | |
| Cristiana Corsi | TKW | Olympics | 2000—2004 | 0–1–0 2003 Daegu TKW silver: featherweight -59 kg | |
| Onix Cortés | JUD | Olympics | 2012 | 0–0–1 2013 Kazan JUD bronze: middleweight -70 kg | |
| Inocenta Corvea | BKB | Olympics | 1980 | 0–1–0 1979 Ciudad de México BAS silver | |
| José Manuel Cossio | SWM | Olympics | 1960 | 0–0–1 1959 Torino SWI bronze: 1500 m freestyle | |
| Melani Costa | SWM | Olympics | 2008—2016 | 1–2–1 2011 Shenzhen SWI gold: 200 m freestyle, silver: 400 m freestyle and 1500 m freestyle, bronze: 400 m freestyle | |
| Silvia Costa | ATH | Olympics | 1992 | 1–2–0 1983 Edmonton ATH silver: high jump; 1985 Kobe ATH gold: high jump; 1989 Duisburg ATH silver: high jump | |
| Venancio Costa | VVO | Olympics | 1992 | 0–1–0 1995 Fukuoka VOL silver | |
| Mihai Coste | VVO | Olympics | 1964 | 0–1–0 1959 Torino VOL silver | |
| Daniela Costian | ATH | Olympics | 1992—2000 | 0–0–1 1985 Kobe ATH bronze: discus throw (competed for Romania) | |
| Dorin Costrăș | WPO | Olympics | 1980 | 0–0–1 1981 București WAP bronze | |
| Alain Côté | FEN | Olympics | 1984—1992 | 0–1–0 1987 Zagreb FEN silver: épée team | |
| Johnno Cotterill | WPO | Olympics | 2012—2016 | 1–0–0 2009 Beograd WAP gold | |
| Vlad Cotuna | GAR | Olympics | 2012 | 0–0–1 2011 Shenzhen GYM bronze: team | |
| Céline Couderc | SWM | Olympics | 2004—2008 | 1–0–0 2003 Daegu SWI gold: 4×100 m freestyle relay | |
| Kurt Couto | ATH | Olympics / Opening Flagbearer / Closing Flagbearer | 2004—2016 | 0–1–1 2007 Bangkok ATH silver: 400 m hurdles; 2011 Shenzhen ATH bronze: 400 m hurdles | |
| Camille Couzi | FEN | Olympics | 1992 | 0–0–1 1993 Buffalo FEN bronze: foil team | |
| Amy Cozad | DIV | Olympics | 2016 | 0–1–0 2011 Shenzhen DIV silver: team | |
| James Cracknell | ROW | Olympics | 1996—2004 | 0–1–0 1993 Buffalo ROW silver: lightweight eights | |
| Shaun Creighton | ATH | Olympics | 1996—2000 | 1–0–0 1991 Sheffield ATH gold: 3000 m steeplechase | |
| Brittany Crew | ATH | Olympics | 2016—2020 | 1–0–1 2015 Gwangju ATH bronze: shot put; 2017 Taipei ATH gold: shot put | |
| Olga Cristea | ATH | Olympics | 2004—2008 | 0–1–0 2009 Beograd ATH silver: 800 m | |
| Charmaine Crooks | ATH | Olympics / Administrator / Opening Flagbearer | 1984—2004 | 0–2–0 1983 Edmonton ATH silver: 4×400 m relay; 1985 Kobe ATH silver: 4×400 m relay | |
| Daniele Crosta | FEN | Olympics | 2000 | 0–0–1 1995 Fukuoka FEN bronze: foil | |
| Bill Crothers | ATH | Olympics | 1964—1968 | 1–0–0 1965 Budapest ATH gold: 800 m | |
| Dóra Csabai | WPO | Olympics | 2012—2016 | 0–2–0 2009 Beograd WAP silver; 2013 Kazan WAP silver | |
| László Cseh, Jr. | SWM | Olympics / Opening Flagbearer | 2004—2020 | 3–0–0 2011 Shenzhen SWI gold: 50 m butterfly, 200 m medley, and 400 m medley | |
| Éva Csernoviczki | JUD | Olympics | 2008—2020 | 0–0–1 2009 Beograd JUD bronze: extra-lightweight -48 kg | |
| József Csík | ATH | Olympics | 1972 | 0–1–0 1970 Torino ATH silver: javelin throw | |
| József Csikány | SWM | Olympics | 1960—1964 | 2–0–1 1963 Porto Alegre SWI gold: 200 m backstroke and 4×100 m medley relay; 1965 Budapest SWI bronze: 4×100 m medley relay | |
| Attila Csipler | FEN | Olympics | 1960—1964 | 0–1–0 1965 Budapest FEN silver: foil team |