Known as British Empire Games (1930-1950), British Empire and Commonwealth Games (1954-1966), British Commonwealth Games (1970-1974), and Commonwealth Games (1978-present). An Inter-Empire Championship was held as a part of the Festival of Empire and can be counted as forerunner.
Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Angela Chalmers | ATH | Olympics | 1988—1992 | 3–0–0 1990 Auckland ATH gold: 1500 m and 3000 m; 1994 Victoria ATH gold: 3000 m | |
| Chris Chalmers | SWM | Olympics | 1988 | 0–0–1 1986 Edinburgh SWI bronze: 1500 m freestyle | |
| Kyle Chalmers | SWM | Olympics / YOG | 2014—2024 | 4–1–0 2018 Gold Coast SWI gold: 200 m freestyle, 4×100 m freestyle, 4×200 m freestyle, and 4×100 m medley, silver: 100 m freestyle | |
| Kyle Chalmers | SWM | Olympics / YOG | 2014—2024 | 4–1–0 2018 Gold Coast SWI gold: 200 m freestyle, 4×100 m freestyle, 4×200 m freestyle, and 4×100 m medley, silver: 100 m freestyle | |
| Lillian Chalmers | ATH | Non-starter | 1936 | 0–0–1 1934 London ATH bronze: 100 yards (competed for England) | |
| Lillian Chalmers | ATH | Non-starter | 1936 | 0–0–1 1934 London ATH bronze: 100 yards (competed for England) | |
| Enock Chama | BOX | Olympics | 1980 | 0–0–1 1978 Edmonton BOX bronze: light-middleweight -71 kg | |
| Marise Chamberlain | ATH | Olympics | 1964 | 0–1–0 1962 Perth ATH silver: 880 yards | |
| Robert Chamberot | WRE | Olympics | 1968 | 1–0–0 1966 Kingston WRE gold: freestyle light-heavyweight -97 kg | |
| Carlton Chambers | ATH | Olympics | 1996 | 1–0–0 1994 Victoria ATH gold: 4×100 m relay | |
| Dwain Chambers | ATH | Olympics | 2000—2012 | 1–0–0 1998 Kuala Lumpur ATH gold: 4×100 m relay (competed for England) | |
| Borys Chambul | ATH | Olympics | 1976 | 1–0–0 1978 Edmonton ATH gold: discus throw | |
| Chan Chong Ming | BDM | Olympics | 2004 | 3–0–0 2002 Manchester BDM gold: doubles; 2006 Melbourne BDM gold: doubles and team mixed | |
| Chun Hon Chan | WLF | Olympics | 1968—1972 | 0–0–1 1966 Kingston WLT bronze: bantamweight -56 kg | |
| Emmy Chan | BDM | Olympics | 1996 | 0–0–1 1994 Victoria BDM bronze: team mixed | |
| Chan Kin Ngai | BDM | Olympics | 1992 | 0–0–1 1990 Auckland BDM bronze: team mixed | |
| Chan Peng Soon | BDM | Olympics | 2012—2020 | 2–1–1 2010 Delhi BDM gold: team mixed; 2014 Glasgow BDM gold: team mixed; 2018 Gold Coast BDM silver: mixed team, bronze: mixed doubles | |
| Chan Siu Kwong | BDM | Olympics | 1992—1996 | 0–0–2 1990 Auckland BDM bronze: team mixed; 1994 Victoria BDM bronze: team mixed | |
| Udey Chand | WRE | Olympics | 1960—1968 | 1–0–0 1970 Edinburgh WRE gold: lightweight -68 kg | |
| Apurvi Chandela | SHO | Olympics | 2016—2020 | 1–0–1 2014 Glasgow SHO gold: 10 m air rifle; 2018 Gold Coast SHO bronze: 10 m air rifle | |
| Raghavan Chanderasekaran | WLF | Olympics | 1988—1996 | 3–3–0 1990 Auckland WLT flyweight -52 kg gold: clean & jerk, snatch, and total; 1994 Victoria WLT bantamweight -59 kg silver: clean & jerk, snatch, and total | |
| Mirabai Chanu | WLF | Olympics | 2016—2024 | 1–1–0 2014 Glasgow WLT silver: flyweight -48 kg; 2018 Gold Coast WLT gold: flyweight -48 kg | |
| Sanamacha Chanu | WLF | Olympics | 2000—2004 | 3–0–0 2002 Manchester WLT featherweight -53 kg gold: clean & jerk, snatch, and total | |
| Avianna Chao | SHO | Olympics | 2008 | 0–0–1 2006 Melbourne SHO bronze: 25 m sport pistol/pairs | |
| David Chapman | SHO | Olympics | 2000—2016 | 1–1–1 2006 Melbourne SHO silver: 25 m rapid fire pistol/pairs; 2010 Delhi SHO bronze: 25 m rapid fire pistol/pairs; 2014 Glasgow SHO gold: 25 m rapid fire pistol | |
| Gary Chapman | SWM | Olympics | 1956 | 4–1–1 1954 Vancouver SWI gold: 440 yards freestyle and 4×220 yards freestyle, bronze: 1650 yards freestyle; 1958 Cardiff SWI gold: 4×220 yards freestyle and 4×110 yards medley, silver: 110 yards freestyle | |
| Ian Chapman | CTR | Olympics | 1960 | 0–1–0 1962 Perth CYC silver: 1000 m time trial | |
| Sue Chapman | ROW | Olympics | 1984 | 1–1–0 1986 Edinburgh ROW gold: eights, silver: coxed fours | |
| Tabia Charles | ATH | Olympics | 2008 | 0–0–2 2010 Delhi ATH bronze: long jump and triple jump | |
| Sam Charlton | HOC | Olympics | 2012—2020 | 1–0–1 2014 Glasgow HOK bronze; 2018 Gold Coast HOK gold | |
| Sam Charlton | HOC | Olympics | 2012—2020 | 1–0–1 2014 Glasgow HOK bronze; 2018 Gold Coast HOK gold | |
| Vilma Charlton | ATH | Olympics | 1964—1972 | 0–0–1 1966 Kingston ATH bronze: 4×110 yards relay | |
| Andrew Charter | HOC | Olympics / Non-starter | 2012—2024 | 2–0–0 2014 Glasgow HOK gold; 2018 Gold Coast HOK gold | |
| Andrew Charter | HOC | Olympics / Non-starter | 2012—2024 | 2–0–0 2014 Glasgow HOK gold; 2018 Gold Coast HOK gold | |
| Andreas Chasikos | SHO | Olympics | 2016 | 1–0–1 2010 Delhi SHO gold: skeet/pairs, bronze: skeet | |
| Chris Chataway | ATH | Olympics | 1952—1956 | 1–0–0 1954 Vancouver ATH gold: 3 miles (competed for England) | |
| Marios Chatziandreou | ATH | Olympics / Opening Flagbearer | 1988—1992 | 1–0–0 1990 Auckland ATH gold: triple jump | |
| Jackson Chauke | BOX | Olympics | 2008 | 0–1–0 2006 Melbourne BOX silver: flyweight -51 kg | |
| Cheah Soon Kit | BDM | Olympics | 1992—2000 | 2–3–0 1990 Auckland BDM silver: doubles; 1994 Victoria BDM gold: doubles, silver: team mixed; 1998 Kuala Lumpur BDM gold: team men, silver: doubles | |
| Susan Cheesebrough | GAR | Olympics | 1976—1980 | 0–1–0 1978 Edmonton GYM silver: team (competed for England) | |
| Sylvia Cheeseman | ATH | Olympics | 1948—1952 | 0–1–1 1950 Auckland ATH silver: 220-110-220-110 yards relay, bronze: 110-220-110 yards relay (competed for England) | |
| Tekla Chemabwai | ATH | Olympics | 1968—1972 | 0–1–0 1978 Edmonton ATH silver: 800 m | |
| Grahame Cheney | BOX | Olympics | 1988 | 0–0–1 1990 Auckland BOX bronze: welterweight -67 kg | |
| Cheng Chu Sian | ARC | Olympics | 2008—2012 | 0–1–0 2010 Delhi ARC silver: recurve team | |
| Cheong Jun Hoong | DIV | Olympics | 2012—2020 | 1–0–0 2018 Gold Coast DIV gold: synchronized platform | |
| Cheong Jun Hoong | DIV | Olympics | 2012—2020 | 1–0–0 2018 Gold Coast DIV gold: synchronized platform | |
| Joyce Chepkirui | ATH | Olympics | 2012 | 1–0–0 2014 Glasgow ATH gold: 10000 m | |
| Beatrice Chepkoech | ATH | Olympics | 2016—2024 | 0–1–0 2018 Gold Coast ATH silver: 1500 m | |
| Beatrice Chepkoech | ATH | Olympics | 2016—2024 | 0–1–0 2018 Gold Coast ATH silver: 1500 m | |
| Joshua Cheptegei | ATH | Olympics | 2016—2024 | 2–0–0 2018 Gold Coast ATH gold: 5000 m and 10000 m | |
| Joshua Cheptegei | ATH | Olympics | 2016—2024 | 2–0–0 2018 Gold Coast ATH gold: 5000 m and 10000 m | |
| Mercy Cherono | ATH | Olympics / Closing Flagbearer | 2016 | 1–0–0 2014 Glasgow ATH gold: 5000 m | |
| Emilee Cherry | RU7 | Olympics | 2016 | 0–1–0 2018 Gold Coast RGS silver | |
| Emilee Cherry | RU7 | Olympics | 2016 | 0–1–0 2018 Gold Coast RGS silver | |
| Vivian Cheruiyot | ATH | Olympics | 2000—2016 | 1–0–0 2010 Delhi ATH gold: 5000 m | |
| Stella Chesang | ATH | Olympics | 2016—2024 | 1–0–0 2018 Gold Coast ATH gold: 10000 m | |
| Stella Chesang | ATH | Olympics | 2016—2024 | 1–0–0 2018 Gold Coast ATH gold: 10000 m | |
| William Chetcuti | SHO | Olympics / Opening Flagbearer | 2004—2016 | 0–0–2 2002 Manchester SHO bronze: double trap; 2006 Melbourne SHO bronze: double trap | |
| Bharat Kumar Chetri | HOC | Olympics | 2012 | 0–1–0 2010 Delhi HOK silver | |
| Bharat Kumar Chetri | HOC | Olympics | 2012 | 0–1–0 2010 Delhi HOK silver | |
| Samantha Cheverton | SWM | Olympics | 2012 | 0–1–0 2014 Glasgow SWI silver: 4×200 m freestyle | |
| Chew Choon Eng | BDM | Olympics | 2004 | 1–1–0 2002 Manchester BDM gold: doubles, silver: mixed doubles | |
| Milcah Chemos Cheywa | ATH | Olympics | 2012 | 1–1–0 2010 Delhi ATH gold: 3000 m steeplechase; 2014 Glasgow ATH silver: 3000 m steeplechase | |
| Justin Chikwanda | BOX | Olympics | 1988 | 0–0–1 1990 Auckland BOX bronze: bantamweight -54 kg | |
| Cliff Chilcott | WRE | Olympics | 1924 | 1–0–0 1930 Hamilton WRE gold: freestyle featherweight -61 kg | |
| Eilidh Child-Doyle | ATH | Olympics | 2012—2016 | 0–3–0 2010 Delhi ATH silver: 400 m hurdles (competed as Eilidh Child for Scotland); 2014 Glasgow ATH silver: 400 m hurdles (competed as Eilidh Child for Scotland); 2018 Gold Coast ATH silver: 400 m hurdles (competed as Eilidh Doyle for Scotland) | |
| Edna Child | DIV | Olympics | 1948 | 2–0–0 1950 Auckland DIV gold: 3 m springboard and platform (competed for England) | |
| Marcus Child | HOC | Non-starter | 2016 | 0–1–0 2018 Gold Coast HOK silver | |
| Marcus Child | HOC | Non-starter | 2016 | 0–1–0 2018 Gold Coast HOK silver | |
| Simon Child | HOC | Olympics | 2008—2024 | 0–0–1 2010 Delhi HOK bronze | |
| Simon Child | HOC | Olympics | 2008—2024 | 0–0–1 2010 Delhi HOK bronze | |
| Tendai Chimusasa | ATH | Olympics / Opening Flagbearer | 1992—2000 | 0–1–0 1994 Victoria ATH silver: 10000 m | |
| Chin Eei Hui | BDM | Olympics | 2004—2008 | 4–1–1 2002 Manchester BDM silver: mixed doubles, bronze: doubles; 2006 Melbourne BDM gold: doubles and team mixed; 2010 Delhi BDM gold: mixed doubles and team mixed | |
| Duke Chinyadza | BOX | Olympics | 1988 | 0–0–1 1990 Auckland BOX bronze: light-welterweight -63.5 kg | |
| Tatu Chionga | BOX | Olympics | 1972 | 0–0–1 1970 Edinburgh BOX bronze: lightweight -60 kg | |
| William Chirchir | ATH | Olympics | 2000 | 0–1–0 2002 Manchester ATH silver: 1500 m | |
| Newton Chisanga | BOX | Non-starter | 1976 | 0–0–1 1974 Christchurch BOX bronze: bantamweight -54 kg | |
| Augustine Choge | ATH | Olympics | 2008 | 1–0–0 2006 Melbourne ATH gold: 5000 m | |
| Choong Tan Fook | BDM | Olympics | 2000—2008 | 3–2–0 1998 Kuala Lumpur BDM gold: doubles and team men; 2002 Manchester BDM silver: doubles; 2006 Melbourne BDM gold: team mixed, silver: doubles | |
| Linford Christie | ATH | Olympics / Closing Flagbearer | 1988—1996 | 3–1–0 1986 Edinburgh ATH silver: 100 m (competed for England); 1990 Auckland ATH gold: 100 m and 4×100 m relay (competed for England); 1994 Victoria ATH gold: 100 m (competed for England) | |
| Tom Christie | ROW | Olympics | 1948 | 0–1–0 1954 Vancouver ROW silver: coxless pairs (competed for England) | |
| Christos Christodoulidis | JUD | Olympics | 2004 | 0–1–0 2002 Manchester JUD silver: lightweight -73 kg | |
| Chua Boon Huat | HOC | Olympics | 2000 | 0–1–1 1998 Kuala Lumpur HOK silver; 2006 Melbourne HOK bronze | |
| Chua Koon Siong | WLF | Olympics | 1976 | 0–0–1 1982 Brisbane WLT bronze: featherweight -60 kg | |
| Chua Phung Kim | WLF | Olympics | 1964—1968 | 1–1–0 1962 Perth WLT gold: bantamweight -56 kg (competed for Singapore); 1970 Edinburgh WLT silver: featherweight -60 kg (competed for Singapore) | |
| Vivian Chukwuemeka | ATH | Olympics | 2000—2008 | 1–1–0 2002 Manchester ATH gold: shot put; 2006 Melbourne ATH silver: shot put | |
| Rosemary Chukwuma | ATH | Olympics / YOG / Non-starter | 2018—2024 | 0–0–1 2018 Gold Coast ATH bronze: 4×100 m relay | |
| Rosemary Chukwuma | ATH | Olympics / YOG / Non-starter | 2018—2024 | 0–0–1 2018 Gold Coast ATH bronze: 4×100 m relay | |
| Chung Kum Weng | WLF | Olympics | 1960—1964 | 1–1–0 1958 Cardiff WLT silver: featherweight -60 kg (competed for Malaya); 1966 Kingston WLT gold: featherweight -60 kg (competed for Wales) | |
| Elizabeth Church | SWM | Olympics | 1948 | 0–1–1 1950 Auckland SWI silver: 3×110 yards medley, bronze: 220 yards breaststroke (competed for England) | |
| Nick Ciancio | WLF | Olympics | 1972 | 2–0–0 1970 Edinburgh WLT gold: light-heavyweight -82.5 kg; 1974 Christchurch WLT gold: middle-heavyweight -90 kg | |
| Chris Ciriello | HOC | Olympics | 2012—2016 | 2–0–0 2010 Delhi HOK gold; 2014 Glasgow HOK gold | |
| Chris Ciriello | HOC | Olympics | 2012—2016 | 2–0–0 2010 Delhi HOK gold; 2014 Glasgow HOK gold | |
| Nicholas Clack | ROW | Olympics | 1952 | 0–1–0 1954 Vancouver ROW silver: coxless pairs (competed for England) | |
| Ed Clancy | CTR | Olympics | 2008—2020 | 0–1–0 2014 Glasgow CYC silver: 4000 m team pursuit (competed for England) | |
| Taliqua Clancy | VBV | Olympics | 2016—2024 | 0–1–0 2018 Gold Coast BVO silver | |
| Taliqua Clancy | VBV | Olympics | 2016—2024 | 0–1–0 2018 Gold Coast BVO silver | |
| Anthony Clark | BDM | Olympics | 2004—2008 | 1–2–4 2002 Manchester BDM gold: team mixed, bronze: doubles and mixed doubles (competed for England); 2006 Melbourne BDM silver: team mixed, bronze: doubles (competed for England); 2010 Delhi BDM silver: doubles, bronze: team mixed (competed for England) | |
| Cameron Clark | RU7 | Olympics | 2016 | 0–0–1 2014 Glasgow RGS bronze | |
| Cameron Clark | RU7 | Olympics | 2016 | 0–0–1 2014 Glasgow RGS bronze | |
| Danny Clark | CTR | Olympics | 1972 | 0–1–0 1970 Edinburgh CYC silver: 4000 m individual pursuit | |
| Darren Clark | ATH | Olympics | 1984—1988 | 1–2–0 1986 Edinburgh ATH silver: 400 m and 4×400 m relay; 1990 Auckland ATH gold: 400 m | |
| Duncan Clark | ATH | Olympics | 1948—1952 | 1–0–0 1950 Auckland ATH gold: hammer throw (competed for Scotland) | |
| Gillian Clark | BDM | Olympics | 1992 | 6–3–3 1982 Brisbane BDM gold: team mixed, silver: doubles, bronze: singles (competed for England); 1986 Edinburgh BDM gold: doubles and team mixed, bronze: singles (competed for England); 1990 Auckland BDM gold: team mixed, silver: doubles, bronze: mixed doubles (competed for England); 1994 Victoria BDM gold: mixed doubles and team mixed, silver: doubles (competed for England) | |
| Lin Clark | ROW | Olympics | 1976—1980 | 1–0–0 1986 Edinburgh ROW gold: lightweight coxless fours (competed for England) | |
| Marjorie Clark | ATH | Olympics | 1928—1932 | 2–0–0 1934 London ATH gold: 80 m hurdles and high jump | |
| Sarah Clark | JUD | Olympics | 2004—2012 | 1–1–0 2002 Manchester JUD silver: half-middleweight -63 kg (competed for Scotland); 2014 Glasgow JUD gold: half-middleweight -63 kg (competed for Scotland) | |
| Tony Clark | SHO | Olympics | 1960—1972 | 1–1–0 1966 Kingston SHO gold: 25 m rapid fire pistol, silver: 25 m centre fire pistol (competed for England) | |
| Brett Clarke | TTE | Olympics | 2000 | 0–1–0 2002 Manchester TTN silver: mixed doubles | |
| Brett Clarke | TTE | Olympics | 2000 | 0–1–0 2002 Manchester TTN silver: mixed doubles | |
| Davian Clarke | ATH | Olympics | 1996—2004 | 1–0–1 1998 Kuala Lumpur ATH gold: 4×400 m relay; 2006 Melbourne ATH bronze: 4×400 m relay | |
| Glenn Clarke | CTR | Olympics | 1984 | 1–0–0 1986 Edinburgh CYC gold: 4000 m team pursuit | |
| Heather Clarke | ROW | Olympics | 1988 | 0–1–0 1986 Edinburgh ROW silver: double sculls | |
| Helen Clarke | HOC | Olympics / Non-starter | 1992—2004 | 0–0–1 1998 Kuala Lumpur HOK bronze | |
| Helen Clarke | HOC | Olympics / Non-starter | 1992—2004 | 0–0–1 1998 Kuala Lumpur HOK bronze | |
| Hilton Clarke | CTR | Olympics | 1968 | 0–1–0 1966 Kingston CYC silver: 10 miles scratch | |
| Lawrence Clarke | ATH | Olympics | 2012—2016 | 0–0–1 2010 Delhi ATH bronze: 110 m hurdles (competed for England) | |
| Ron Clarke | ATH | Olympics / Torch Bearer | 1956—1968 | 0–4–0 1962 Perth ATH silver: 3 miles; 1966 Kingston ATH silver: 3 miles and 6 miles; 1970 Edinburgh ATH silver: 10000 m | |
| Stan Clarke | SWM | Olympics | 1960 | 0–0–2 1962 Perth SWI bronze: 4×110 yards freestyle and 4×220 yards freestyle (competed for England) | |
| Stephen Clarke | SWM | Olympics | 1992—1996 | 1–3–1 1994 Victoria SWI gold: 100 m freestyle, silver: 100 m butterfly and 4×100 m medley; 1998 Kuala Lumpur SWI silver: 4×100 m freestyle, bronze: 4×100 m medley | |
| Timicka Clarke | ATH | Olympics | 2004—2008 | 1–0–0 2002 Manchester ATH gold: 4×100 m relay | |
| Tina Clarke | ROW | Olympics | 1984 | 1–0–0 1986 Edinburgh ROW gold: coxed fours | |
| Tony Clarke | SHO | Olympics | 1984 | 1–0–1 1990 Auckland SHO gold: running target/pairs, bronze: running target | |
| Wendy Clarke | ATH | Olympics / Non-starter | 1976—1980 | 1–0–0 1982 Brisbane ATH gold: 4×100 m relay (competed as Wendy Hoyte for England) | |
| Jodie Clatworthy | SWM | Olympics | 1988 | 0–3–0 1986 Edinburgh SWI silver: 400 m medley; 1990 Auckland SWI silver: 200 m medley and 400 m medley | |
| Jane Claxton | HOC | Olympics | 2016—2024 | 1–1–0 2014 Glasgow HOK gold; 2018 Gold Coast HOK silver | |
| Jane Claxton | HOC | Olympics | 2016—2024 | 1–1–0 2014 Glasgow HOK gold; 2018 Gold Coast HOK silver | |
| Jonny Clay | CTR | Olympics | 2000 | 0–1–0 1998 Kuala Lumpur CYC silver: 4000 m team pursuit (competed for England) | |
| Andrew Clayton | SWM | Olympics | 1996—2000 | 0–1–2 1994 Victoria SWI bronze: 4×100 m freestyle and 4×200 m freestyle (competed for England); 1998 Kuala Lumpur SWI silver: 4×200 m freestyle (competed for England) | |
| Ted Clayton | CRD/CTR | Olympics | 1936 | 0–1–2 1934 London CYC silver: 10 miles scratch, bronze: 1000 m time trial and 1000 yards championship (sprint) | |
| Wellesley Clayton | ATH | Olympics | 1964—1968 | 0–1–2 1962 Perth ATH bronze: long jump; 1966 Kingston ATH silver: 4×110 yards relay, bronze: long jump | |
| Harold Cleghorn | WLF | Olympics / Opening Flagbearer | 1952 | 1–0–1 1950 Auckland WLT gold: heavyweight +90 kg; 1954 Vancouver WLT bronze: heavyweight +90 kg | |
| Doug Clement | ATH | Olympics | 1952—1956 | 0–1–0 1954 Vancouver ATH silver: 4×440 yards relay | |
| Jon Cleveland | SWM | Olympics | 1988—1996 | 2–1–2 1990 Auckland SWI gold: 200 m breaststroke and 4×100 m medley; 1994 Victoria SWI silver: 4×100 m medley, bronze: 100 m breaststroke and 200 m breaststroke | |
| Mel Clewlow | HOC | Olympics | 2000—2008 | 0–2–1 1998 Kuala Lumpur HOK silver (competed for England); 2002 Manchester HOK silver (competed for England); 2006 Melbourne HOK bronze (competed for England) | |
| Mel Clewlow | HOC | Olympics | 2000—2008 | 0–2–1 1998 Kuala Lumpur HOK silver (competed for England); 2002 Manchester HOK silver (competed for England); 2006 Melbourne HOK bronze (competed for England) | |
| Leslie Cliff | SWM | Olympics | 1972 | 2–0–0 1974 Christchurch SWI gold: 200 m medley and 400 m medley | |
| Adam Clift | ROW | Olympics | 1984—1988 | 1–0–0 1986 Edinburgh ROW gold: coxed fours (competed for England) | |
| Guylaine Cloutier | SWM | Olympics | 1988—1996 | 0–2–0 1990 Auckland SWI silver: 100 m breaststroke and 200 m breaststroke | |
| Ian Clyde | BOX | Olympics | 1976 | 0–1–0 1978 Edmonton BOX silver: flyweight -51 kg | |
| Madeleine Cobb | ATH | Olympics | 1964 | 1–1–1 1958 Cardiff ATH gold: 4×110 yards relay, bronze: 100 yards (competed as Madeleine Weston for England); 1970 Edinburgh ATH silver: 4×100 m relay (competed as Madeleine Cobb for England) | |
| Neil Cochran | SWM | Olympics | 1984—1988 | 0–0–2 1982 Brisbane SWI bronze: 4×200 m freestyle (competed for Scotland); 1986 Edinburgh SWI bronze: 200 m medley (competed for Scotland) | |
| Ryan Cochrane | SWM | Olympics | 2008—2016 | 4–0–0 2010 Delhi SWI gold: 400 m freestyle and 1500 m freestyle; 2014 Glasgow SWI gold: 400 m freestyle and 1500 m freestyle | |
| Micaela Cocks | BKB | Olympics | 2008 | 0–1–1 2006 Melbourne BAS silver; 2018 Gold Coast BAS bronze | |
| Micaela Cocks | BKB | Olympics | 2008 | 0–1–1 2006 Melbourne BAS silver; 2018 Gold Coast BAS bronze | |
| Sophie Cocks | HOC | Olympics | 2016 | 0–0–1 2014 Glasgow HOK bronze | |
| Sophie Cocks | HOC | Olympics | 2016 | 0–0–1 2014 Glasgow HOK bronze | |
| Des Coe | SHO | Olympics | 2000 | 0–0–1 1998 Kuala Lumpur SHO bronze: trap | |
| James Cohen | ATH | Olympics | 1928 | 0–1–0 1930 Hamilton ATH silver: 4×110 yards relay (competed for England) | |
| Richard Cohen | FEN | Olympics | 1972—1984 | 1–0–1 1970 Edinburgh FEN gold: team sabre, bronze: sabre (competed for England) | |
| Bree Cole | DIV | Olympics | 2008 | 1–1–1 2006 Melbourne DIV gold: synchronized springboard; 2010 Delhi DIV silver: synchronized springboard, bronze: synchronized platform | |
| Brendan Cole | ATH | Olympics | 2012 | 1–0–0 2010 Delhi ATH gold: 4×400 m relay | |
| Johannes Coleman | ATH | Olympics | 1936—1948 | 1–0–0 1938 Sydney ATH gold: marathon | |
| Richarno Colin | BOX | Olympics / Opening Flagbearer | 2008—2020 | 0–0–1 2010 Delhi BOX bronze: light-welterweight -64 kg | |
| Robert Colley | BOX | Olympics | 1976 | 0–0–1 1974 Christchurch BOX bronze: lightweight -60 kg | |
| Keith Collin | DIV | Olympics | 1960 | 1–0–0 1958 Cardiff DIV gold: 3 m springboard (competed for England) | |
| Belinda Colling | BKB | Olympics | 2000 | 1–2–0 1998 Kuala Lumpur NET silver; 2002 Manchester NET silver; 2006 Melbourne NET gold | |
| Belinda Colling | BKB | Olympics | 2000 | 1–2–0 1998 Kuala Lumpur NET silver; 2002 Manchester NET silver; 2006 Melbourne NET gold | |
| Kim Collins | ATH | Olympics / Non-starter / Opening Flagbearer / Closing Flagbearer | 1996—2016 | 1–0–0 2002 Manchester ATH gold: 100 m | |
| Stef Collins | BKB | Olympics | 2012 | 0–1–0 2018 Gold Coast BAS silver (competed for England) | |
| Stef Collins | BKB | Olympics | 2012 | 0–1–0 2018 Gold Coast BAS silver (competed for England) | |
| Alva Colquhoun | SWM | Olympics / Non-starter | 1956—1960 | 1–1–1 1958 Cardiff SWI gold: 4×110 yards freestyle, silver: 440 yards freestyle, bronze: 110 yards freestyle | |
| Sharon Colyear-Danville | ATH | Olympics | 1976—1984 | 1–0–1 1978 Edmonton ATH gold: 4×100 m relay, bronze: 100 m hurdles (competed as Sharon Colyear for England) | |
| Adam Commens | HOC | Olympics / Coach | 2000—2016 | 1–0–0 1998 Kuala Lumpur HOK gold | |
| Chris Commons | ATH | Olympics | 1976 | 0–2–0 1974 Christchurch ATH silver: long jump; 1978 Edmonton ATH silver: long jump | |
| Allyn Condon | ATH/BOB | Olympics | 2000—2010 | 1–0–0 2002 Manchester ATH gold: 4×100 m relay (competed for England) | |
| David Condon | HOC | Olympics | 2016 | 0–0–2 2014 Glasgow HOK bronze (competed for England); 2018 Gold Coast HOK bronze (competed for England) | |
| David Condon | HOC | Olympics | 2016 | 0–0–2 2014 Glasgow HOK bronze (competed for England); 2018 Gold Coast HOK bronze (competed for England) | |
| Michael Conlan | BOX | Olympics | 2012—2016 | 1–0–0 2014 Glasgow BOX gold: bantamweight -56 kg (competed for Northern Ireland) | |
| Craig Connell | CTR | Olympics | 1988 | 1–1–0 1990 Auckland CYC gold: 4000 m team pursuit (raced in heats only), silver: points race | |
| Jimmy Connor | DIV | Olympics | 2012—2016 | 0–1–1 2018 Gold Coast DIV silver: 1 m springboard, bronze: 3 m springboard | |
| Jimmy Connor | DIV | Olympics | 2012—2016 | 0–1–1 2018 Gold Coast DIV silver: 1 m springboard, bronze: 3 m springboard | |
| Keith Connor | ATH | Olympics | 1980—1984 | 2–0–0 1978 Edmonton ATH gold: triple jump (competed for England); 1982 Brisbane ATH gold: triple jump (competed for England) | |
| Patrick Constable | CTR | Olympics | 2016 | 0–0–1 2018 Gold Coast CYC bronze: team sprint | |
| Patrick Constable | CTR | Olympics | 2016 | 0–0–1 2018 Gold Coast CYC bronze: team sprint | |
| Sally Conway | JUD | Olympics | 2012—2016 | 0–0–1 2014 Glasgow JUD bronze: middleweight -70 kg (competed for Scotland) | |
| Magdi Conyd | FEN | Olympics | 1968—1972 | 0–0–1 1970 Edinburgh FEN bronze: team foil | |
| Wendy Cook-Hogg | SWM | Olympics | 1972—1976 | 3–0–0 1974 Christchurch SWI gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley (competed as Wendy Cook) | |
| Chris Cook | SWM | Olympics | 2004—2008 | 2–1–0 2006 Melbourne SWI gold: 50 m breaststroke and 100 m breaststroke, silver: 4×100 m medley (competed for England) | |
| Garry Cook | ATH | Olympics | 1984 | 1–0–0 1982 Brisbane ATH gold: 4×400 m relay (competed for England) | |
| Rusty Cook | BOX | Olympics | 1936 | 1–0–0 1934 London BOX gold: lightweight -135 lb (61.23 kg) | |
| Gloria Cooke-Wigney | ATH | Olympics | 1956—1960 | 0–0–1 1958 Cardiff ATH bronze: 80 m hurdles | |
| Baden Cooke | CRD | Olympics | 2004 | 0–0–1 2002 Manchester CYC bronze: road race | |
| Geoff Cooke | CTR | Olympics | 1972 | 1–0–0 1974 Christchurch CYC gold: tandem (competed for England) | |
| Harry Cooke | FEN | Olympics | 1948—1952 | 1–0–0 1958 Cardiff FEN gold: team foil (competed for England) | |
| John Cooke | SHO | Olympics / Non-starter | 1972—1984 | 1–1–2 1978 Edmonton SHO silver: 25 m rapid fire pistol (competed for England); 1982 Brisbane SHO gold: 25 m centre fire pistol, bronze: 25 m rapid fire pistol and 25 m centre fire pistol/pairs (competed for England) | |
| Nicole Cooke | CRD | Olympics | 2004—2012 | 1–0–1 2002 Manchester CYC gold: road race (competed for Wales); 2006 Melbourne CYC bronze: road race (competed for Wales) | |
| Rebecca Cooke | SWM | Olympics | 2000—2004 | 3–1–0 2002 Manchester SWI gold: 400 m freestyle and 800 m freestyle (competed for England); 2006 Melbourne SWI gold: 800 m freestyle, silver: 400 m medley (competed for England) | |
| Joseph Coombs | ATH | Olympics | 1976—1980 | 0–1–0 1978 Edmonton ATH silver: 400 m | |
| Andrew Cooper | ROW | Olympics | 1988—1992 | 1–0–0 1986 Edinburgh ROW gold: eights | |
| Brad Cooper | ATH | Olympics / Opening Flagbearer | 1984—1988 | 1–1–0 1978 Edmonton ATH silver: discus throw; 1982 Brisbane ATH gold: discus throw | |
| Brad Cooper | SWM | Olympics | 1972 | 1–1–1 1974 Christchurch SWI gold: 200 m backstroke, silver: 400 m freestyle, bronze: 100 m backstroke | |
| Brent Cooper | JUD | Olympics | 1988 | 1–0–0 1990 Auckland JUD gold: half-lightweight -65 kg | |
| Joyce Cooper | SWM | Olympics | 1928—1932 | 4–0–0 1930 Hamilton SWI gold: 100 yards freestyle, 400 yards freestyle, 200 yards breaststroke, and 4×100 yards freestyle (competed for England) | |
| Malcolm Cooper | SHO | Olympics / Non-starter / Closing Flagbearer | 1972—1988 | 4–5–3 1982 Brisbane SHO gold: 50 m small-bore rifle 3 positions/pairs and 50 m small-bore rifle prone/pairs, silver: 10 m air rifle/pairs, 50 m small-bore rifle 3 positions, and 50 m small-bore rifle prone, bronze: 10 m air rifle (competed for England); 1986 Edinburgh SHO gold: 50 m small-bore rifle 3 positions and 50 m small-bore rifle 3 positions/pairs, bronze: 10 m air rifle and 10 m air rifle/pairs (competed for England); 1990 Auckland SHO silver: 50 m small-bore rifle 3 positions and 50 m small-bore rifle 3 positions/pairs (competed for England) | |
| Sarah Cooper | SHO | Olympics | 1984—1988 | 1–0–0 1986 Edinburgh SHO gold: 50 m small-bore rifle 3 positions/pairs (competed for England) | |
| Todd Cooper | SWM | Olympics | 2004—2008 | 0–0–1 2006 Melbourne SWI bronze: 4×100 m medley (competed for Scotland) | |
| Ralph Cooperman | FEN | Olympics | 1956—1964 | 7–3–1 1954 Vancouver FEN gold: team foil, silver: sabre and team sabre (competed for England); 1958 Cardiff FEN gold: team sabre, silver: sabre (competed for England); 1962 Perth FEN gold: sabre, team sabre and team foil, bronze: foil (competed for England); 1966 Kingston FEN gold: sabre and team sabre (competed for England) | |
| Joe Cordina | BOX | Olympics | 2016 | 0–0–1 2014 Glasgow BOX bronze: lightweight -56 kg (competed for England) | |
| Jerry Cornes | ATH | Olympics | 1932—1936 | 0–0–2 1930 Hamilton ATH bronze: 1 mile (competed for England); 1934 London ATH bronze: 1 mile (competed for England) |