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 |
|---|---|---|---|---|---|
| Josiah Majekodunmi | ATH | Olympics | 1952 | 0–1–0 1950 Auckland ATH silver: high jump | |
| Leonard Makhanya | BOX | Olympics | 1984 | 0–1–1 1982 Brisbane BOX bronze: light-flyweight -48 kg; 1986 Edinburgh BOX silver: flyweight -51 kg | |
| Teddy Makofi | BOX | Olympics | 1980 | 0–0–1 1978 Edmonton BOX bronze: lightweight -60 kg | |
| Isaac Makwala | ATH | Olympics / Closing Flagbearer | 2012—2020 | 2–0–0 2018 Gold Coast ATH gold: 400 m and 4×400 m relay | |
| Isaac Makwala | ATH | Olympics / Closing Flagbearer | 2012—2020 | 2–0–0 2018 Gold Coast ATH gold: 400 m and 4×400 m relay | |
| Joanne Malar | SWM | Olympics | 1992—2000 | 1–2–3 1994 Victoria SWI bronze: 4×200 m freestyle; 1998 Kuala Lumpur SWI gold: 400 m medley, silver: 200 m medley and 800 m freestyle, bronze: 400 m freestyle and 4×200 m freestyle | |
| Christian Malcolm | ATH | Olympics | 2000—2012 | 0–1–1 1998 Kuala Lumpur ATH silver: 200 m (competed for Wales); 2010 Delhi ATH bronze: 200 m (competed for Wales) | |
| Zakayo Malekwa | ATH | Olympics | 1980—1988 | 0–0–1 1982 Brisbane ATH bronze: javelin throw | |
| Sakshi Malik | WRE | Olympics / Closing Flagbearer | 2016 | 0–1–1 2014 Glasgow WRE silver: freestyle lightweight -58 kg; 2018 Gold Coast WRE bronze: freestyle middleweight -62 kg | |
| Fred Mallin | BOX | Olympics | 1928 | 1–0–0 1930 Hamilton BOX gold: middleweight -160 lb (72.57 kg) (competed for England) | |
| Hugo Mamba-Schlick | ATH | Olympics | 2008 | 0–1–0 2010 Delhi ATH silver: triple jump | |
| Elijah Manangoi | ATH | Olympics | 2016 | 1–0–0 2018 Gold Coast ATH gold: 1500 m | |
| Elijah Manangoi | ATH | Olympics | 2016 | 1–0–0 2018 Gold Coast ATH gold: 1500 m | |
| Devon Manchester | HOC | Olympics | 2016 | 0–1–0 2018 Gold Coast HOK silver | |
| Devon Manchester | HOC | Olympics | 2016 | 0–1–0 2018 Gold Coast HOK silver | |
| Maruti Mane | WRE | Olympics | 1964 | 0–1–0 1970 Edinburgh WRE silver: super-heavyweight +100 kg | |
| Bertram Manhin | SHO | Olympics | 1968 | 0–0–1 1978 Edmonton SHO bronze: 50 m free pistol | |
| Dorothy Manley | ATH | Olympics | 1948 | 0–1–1 1950 Auckland ATH silver: 220-110-220-110 yards relay, bronze: 110-220-110 yards relay (competed as Dorothy Hall for England) | |
| Julia Mann | BDM | Olympics | 2000 | 2–0–1 1998 Kuala Lumpur BDM gold: team women, bronze: singles (competed for England); 2002 Manchester BDM gold: team mixed (competed for England) | |
| George Manners | WLF | Olympics | 1964 | 0–2–1 1962 Perth WLT silver: light-heavyweight -82.5 kg (competed for England); 1966 Kingston WLT silver: middle-heavyweight -90 kg (competed for England); 1970 Edinburgh WLT bronze: middle-heavyweight -90 kg (competed for St. Vincent) | |
| Anne Manning | ATH | Olympics | 1996 | 0–1–0 1994 Victoria ATH silver: 10 km walk | |
| Paul Manning | CTR | Olympics | 2000—2008 | 2–1–1 2002 Manchester CYC silver: 4000 m team pursuit, bronze: 4000 m individual pursuit (competed for England); 2006 Melbourne CYC gold: 4000 m individual pursuit and 4000 m team pursuit (competed for England) | |
| Simon Mantell | HOC | Olympics | 2008—2016 | 0–0–1 2014 Glasgow HOK bronze (competed for England) | |
| Simon Mantell | HOC | Olympics | 2008—2016 | 0–0–1 2014 Glasgow HOK bronze (competed for England) | |
| Darcina Manuel | JUD | Olympics | 2016 | 0–0–1 2014 Glasgow JUD bronze: lightweight -57 kg | |
| Luvo Manyonga | ATH | Olympics | 2016 | 1–0–0 2018 Gold Coast ATH gold: long jump | |
| Luvo Manyonga | ATH | Olympics | 2016 | 1–0–0 2018 Gold Coast ATH gold: long jump | |
| Leaname Maotoanong | ATH | Olympics | 2016 | 1–0–0 2018 Gold Coast ATH gold: 4×400 m relay | |
| Leaname Maotoanong | ATH | Olympics | 2016 | 1–0–0 2018 Gold Coast ATH gold: 4×400 m relay | |
| Adnan Maqsood | HOC | Olympics | 2004—2008 | 0–1–0 2006 Melbourne HOK silver | |
| Adnan Maqsood | HOC | Olympics | 2004—2008 | 0–1–0 2006 Melbourne HOK silver | |
| Katy Marchant | CTR | Olympics | 2016—2024 | 0–0–1 2018 Gold Coast CYC bronze: sprint team (competed for England) | |
| Katy Marchant | CTR | Olympics | 2016—2024 | 0–0–1 2018 Gold Coast CYC bronze: sprint team (competed for England) | |
| Louis Marchant | DIV | Olympics | 1948 | 0–0–1 1934 London DIV bronze: platform (competed for England) | |
| Angela Marino | BKB | Olympics | 2004—2008 | 0–1–0 2006 Melbourne BAS silver | |
| Angela Marino | BKB | Olympics | 2004—2008 | 0–1–0 2006 Melbourne BAS silver | |
| Sevdalin Marinov | WLF | Olympics | 1988 | 1–2–0 1994 Victoria WLT featherweight -64 kg gold: total, silver: clean & jerk and snatch (competed for Australia) | |
| Lauryn Mark | SHO | Olympics | 2004—2012 | 1–1–0 2006 Melbourne SHO gold: skeet/pairs, silver: skeet | |
| Russell Mark | SHO | Olympics | 1988—2012 | 1–2–1 1990 Auckland SHO bronze: trap/pairs; 2002 Manchester SHO silver: trap and trap/pairs; 2006 Melbourne SHO gold: trap/pairs | |
| Dmitri Markov | ATH | Olympics | 1996—2004 | 0–1–0 2006 Melbourne ATH silver: pole vault (competed for Australia) | |
| Kurtis Marschall | ATH | Olympics | 2016—2024 | 1–0–0 2018 Gold Coast ATH gold: pole vault | |
| Kurtis Marschall | ATH | Olympics | 2016—2024 | 1–0–0 2018 Gold Coast ATH gold: pole vault | |
| Brian Marsden | WLF | Olympics | 1972—1976 | 0–1–1 1974 Christchurch WLT silver: middle-heavyweight -90 kg; 1978 Edmonton WLT bronze: middle-heavyweight -90 kg | |
| Reg Marsh | WRE | Olympics | 1964—1968 | 0–1–0 1962 Perth WRE silver: freestyle lightweight -70 kg | |
| Maurice Marshall | ATH | Olympics | 1952 | 0–0–1 1950 Auckland ATH bronze: 1 mile | |
| Melanie Marshall | SWM | Olympics | 2004—2008 | 0–5–2 2002 Manchester SWI silver: 4×100 m freestyle (competed for England); 2006 Melbourne SWI silver: 200 m backstroke, 4×100 m freestyle, 4×200 m freestyle, and 4×100 m medley, bronze: 200 m freestyle and 100 m backstroke (competed for England) | |
| Penelope Marshall | SWM | Olympics | 2012 | 0–1–1 2010 Delhi SWI silver: 4×200 m freestyle, bronze: 4×100 m freestyle | |
| Savannah Marshall | BOX | Olympics | 2012—2016 | 1–0–0 2014 Glasgow BOX gold: middleweight -75 kg (competed for England) | |
| Denise Marston-Smith | HOC | Olympics | 2000 | 0–1–0 1998 Kuala Lumpur HOK silver (competed for England) | |
| Camille Martens | GRY | Olympics | 1996 | 1–4–0 1994 Victoria RGY gold: team, silver: all-around, ball, clubs, and ribbon | |
| Tony Martey | BOX | Olympics | 1968 | 0–1–0 1974 Christchurch BOX silver: light-welterweight -63.5 kg | |
| Debbie Marti | ATH | Olympics | 1992—1996 | 0–0–1 1994 Victoria ATH bronze: high jump (competed for England) | |
| John Martin-Dye | SWM | Olympics | 1960—1964 | 0–0–3 1962 Perth SWI bronze: 4×110 yards freestyle and 4×220 yards freestyle (competed for England); 1966 Kingston SWI bronze: 4×110 yards freestyle (competed for England) | |
| Ruth Martin-Jones | ATH | Olympics | 1972 | 0–0–1 1974 Christchurch ATH bronze: long jump (competed for Wales) | |
| Lisa Martin-Ondieki | ATH | Olympics | 1984—1996 | 2–0–0 1986 Edinburgh ATH gold: marathon (competed as Lisa Martin); 1990 Auckland ATH gold: marathon (competed as Lisa Martin) | |
| Damian Martin | BKB | Olympics | 2016 | 1–0–0 2018 Gold Coast BAS gold | |
| Damian Martin | BKB | Olympics | 2016 | 1–0–0 2018 Gold Coast BAS gold | |
| Eamonn Martin | ATH | Olympics | 1984—1992 | 1–0–0 1990 Auckland ATH gold: 10000 m (competed for England) | |
| Harry Martin | HOC | Olympics / Non-starter | 2012—2020 | 0–0–2 2014 Glasgow HOK bronze (competed for England); 2018 Gold Coast HOK bronze (competed for England) | |
| Harry Martin | HOC | Olympics / Non-starter | 2012—2020 | 0–0–2 2014 Glasgow HOK bronze (competed for England); 2018 Gold Coast HOK bronze (competed for England) | |
| Louis Martin | WLF | Olympics | 1960—1968 | 3–0–0 1962 Perth WLT gold: middle-heavyweight -90 kg (competed for England); 1966 Kingston WLT gold: middle-heavyweight -90 kg (competed for England); 1970 Edinburgh WLT gold: middle-heavyweight -90 kg (competed for England) | |
| Roxbert Martin | ATH | Olympics | 1996 | 1–1–0 1994 Victoria ATH silver: 4×400 m relay (ran in heats only); 1998 Kuala Lumpur ATH gold: 4×400 m relay | |
| Scott Martin | ATH | Olympics | 2008—2012 | 1–0–1 2006 Melbourne ATH gold: discus throw, bronze: shot put | |
| Alexander Martonffy | FEN | Olympics | 1956—1964 | 0–1–0 1958 Cardiff FEN silver: team sabre | |
| Edith Masai | ATH | Olympics | 2004 | 0–1–0 2002 Manchester ATH silver: 5000 m | |
| Edna Maskell | ATH | Olympics | 1952 | 1–0–1 1954 Vancouver ATH gold: 80 m hurdles, bronze: 100 yards (competed for Northern Rhodesia) | |
| Michele Mason-Brown | ATH | Olympics | 1956—1964 | 2–0–1 1958 Cardiff ATH gold: high jump; 1962 Perth ATH bronze: high jump; 1966 Kingston ATH gold: high jump | |
| Lisa Mason | GAR | Olympics | 2000 | 1–1–0 1998 Kuala Lumpur GYM gold: horse vault, silver: team (competed for England) | |
| Mike Mason | ATH | Olympics | 2008—2020 | 0–0–1 2014 Glasgow ATH bronze: high jump | |
| Simon Mason | HOC | Olympics | 1996—2004 | 0–0–1 1998 Kuala Lumpur HOK bronze (competed for England) | |
| Kylie Masse | SWM | Olympics | 2016—2024 | 2–2–0 2018 Gold Coast SWI gold: 100 m backstroke and 200 m backstroke, silver: 50 m backstroke and 4×100 m medley | |
| Kylie Masse | SWM | Olympics | 2016—2024 | 2–2–0 2018 Gold Coast SWI gold: 100 m backstroke and 200 m backstroke, silver: 50 m backstroke and 4×100 m medley | |
| Kelly Massey | ATH | Olympics | 2016 | 0–1–1 2010 Delhi ATH silver: 4×400 m relay (competed for England); 2014 Glasgow ATH bronze: 4×400 m relay (competed for England) | |
| Ron Masters | DIV | Olympics | 1936 | 1–1–0 1938 Sydney DIV gold: 3 m springboard, silver: platform | |
| David Matam | WLF | Olympics | 2004 | 3–0–3 1998 Kuala Lumpur WLT light-heavyweight -85 kg bronze: clean & jerk, snatch, and total (competed for Cameroon); 2002 Manchester WLT light-heavyweight -85 kg gold: clean & jerk, snatch, and total (competed for Cameroon) | |
| Richard Mateelong | ATH | Olympics | 2008 | 1–0–0 2010 Delhi ATH gold: 3000 m steeplechase | |
| Samuel Matete | ATH | Olympics / Opening Flagbearer | 1988—2000 | 1–0–0 1994 Victoria ATH gold: 400 m hurdles | |
| Philip Mathenge | BOX | Non-starter | 1976 | 0–0–1 1974 Christchurch BOX bronze: light-welterweight -63.5 kg | |
| Tommy Mather | DIV | Olympics | 1928 | 1–0–0 1934 London DIV gold: platform (competed for England) | |
| Diane Matheson | ATH | Olympics | 1956 | 0–0–1 1958 Cardiff ATH bronze: 4×110 yards relay | |
| Marlene Mathews-Willard | ATH | Olympics | 1956—1960 | 2–1–0 1958 Cardiff ATH gold: 100 yards and 220 yards, silver: 4×110 yards relay | |
| Luke Mathews | ATH | Olympics | 2016 | 0–0–1 2018 Gold Coast ATH bronze: 800 m | |
| Luke Mathews | ATH | Olympics | 2016 | 0–0–1 2018 Gold Coast ATH bronze: 800 m | |
| Michael Mathieu | ATH | Olympics | 2008—2016 | 0–2–0 2014 Glasgow ATH silver: 4×400 m relay; 2018 Gold Coast ATH silver: 4×400 m relay (ran in heats only) | |
| Santoshi Matsa | WLF | YOG | 2010 | 0–1–0 2014 Glasgow WLT silver: featherweight -53 kg | |
| Santoshi Matsa | WLF | YOG | 2010 | 0–1–0 2014 Glasgow WLT silver: featherweight -53 kg | |
| Cecil Matthews | ATH | Olympics | 1936 | 2–0–0 1938 Sydney ATH gold: 3 miles and 6 miles | |
| Peter Matthews | ATH | Olympics | 2016 | 0–0–1 2018 Gold Coast ATH bronze: 4×400 m relay | |
| Peter Matthews | ATH | Olympics | 2016 | 0–0–1 2018 Gold Coast ATH bronze: 4×400 m relay | |
| Phumzile Matyhila | BOX | Olympics | 2000 | 0–0–1 1998 Kuala Lumpur BOX bronze: flyweight -51 kg | |
| Amelia Maughan | SWM | YOG | 2014 | 0–1–1 2014 Glasgow SWI silver: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay (competed for England) | |
| Amelia Maughan | SWM | YOG | 2014 | 0–1–1 2014 Glasgow SWI silver: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay (competed for England) | |
| John Maxey | ROW | Olympics | 1988 | 0–1–0 1986 Edinburgh ROW silver: eights (competed for England) | |
| John Maxwell | SHO | Olympics | 1988—1996 | 1–0–1 1990 Auckland SHO gold: trap, bronze: trap/pairs | |
| Fiona May | ATH | Olympics | 1988—2004 | 0–0–1 1990 Auckland ATH bronze: long jump (competed for England) | |
| James May | GAR | Olympics / Referee | 1992—2020 | 1–2–2 1990 Auckland GYM gold: horse vault, silver: rings and team, bronze: pommelled horse and all-around (competed for England) | |
| Peter May | WLF | Olympics | 1988—1992 | 0–6–1 1986 Edinburgh WLT bronze: light-heavyweight -82.5 kg (competed for England); 1990 Auckland WLT heavyweight I -100 kg silver: clean & jerk, snatch, and total (competed for England); 1994 Victoria WLT middle-heavyweight -91 kg silver: clean & jerk, snatch, and total (competed for England) | |
| Phil May | ATH | Olympics | 1968 | 1–1–0 1970 Edinburgh ATH gold: triple jump, silver: long jump | |
| Natasha Mayers | ATH | Olympics / Opening Flagbearer | 2000—2004 | 1–0–0 2010 Delhi ATH gold: 100 m | |
| John Mayock | ATH | Olympics | 1996—2004 | 0–1–1 1994 Victoria ATH bronze: 1500 m (competed for England); 1998 Kuala Lumpur ATH silver: 1500 m (competed for England) | |
| Vanessa Mballa | JUD | Olympics | 2016—2020 | 0–0–1 2014 Glasgow JUD bronze: half-heavyweight -78 kg | |
| Vanessa Mballa | JUD | Olympics | 2016—2020 | 0–0–1 2014 Glasgow JUD bronze: half-heavyweight -78 kg | |
| Françoise Mbango | ATH | Olympics | 2000—2008 | 0–2–0 1998 Kuala Lumpur ATH silver: triple jump; 2002 Manchester ATH silver: triple jump | |
| Samuel Mbugua | BOX | Olympics | 1968—1972 | 0–1–1 1970 Edinburgh BOX silver: bantamweight -54 kg; 1974 Christchurch BOX bronze: featherweight -57 kg | |
| Shea McAleese | HOC | Olympics | 2008—2020 | 0–1–1 2010 Delhi HOK bronze; 2018 Gold Coast HOK silver | |
| Shea McAleese | HOC | Olympics | 2008—2020 | 0–1–1 2010 Delhi HOK bronze; 2018 Gold Coast HOK silver | |
| Winston McArthur | WLF | Olympics | 1956 | 0–1–0 1958 Cardiff WLT silver: middleweight -75 kg | |
| Barbara McAulay | DIV | Olympics | 1956 | 1–1–0 1954 Vancouver DIV gold: platform, silver: 3 m springboard | |
| Ian McCafferty | ATH | Olympics | 1972 | 0–1–0 1970 Edinburgh ATH silver: 5000 m (competed for Scotland) | |
| Janice McCaffrey | ATH | Olympics | 1992—2000 | 0–0–1 1994 Victoria ATH bronze: 10 km walk | |
| Graeme McCall | ROW | Olympics | 1964 | 1–0–0 1962 Perth ROW gold: eights | |
| Mike McCallum | BOX | Olympics | 1976 | 1–0–0 1978 Edmonton BOX gold: welterweight -67 kg | |
| Cormac McCann | CRD | Olympics | 1988 | 0–0–1 1986 Edinburgh CYC bronze: team time trial (competed for Northern Ireland) | |
| David McCann | CRD | Olympics | 1996—2012 | 0–0–1 2010 Delhi CYC bronze: 4000 m team pursuit (competed for Northern Ireland) | |
| Kerryn McCann | ATH | Olympics | 1996—2004 | 2–0–0 2002 Manchester ATH gold: marathon; 2006 Melbourne ATH gold: marathon | |
| Michael McCann | HOC | Olympics | 2004 | 2–0–0 2002 Manchester HOK gold; 2006 Melbourne HOK gold | |
| Michael McCann | HOC | Olympics | 2004 | 2–0–0 2002 Manchester HOK gold; 2006 Melbourne HOK gold | |
| Stephanie McCann | ATH | Olympics | 2004 | 0–0–2 2002 Manchester ATH bronze: pole vault; 2006 Melbourne ATH bronze: pole vault | |
| Wayne McCarney | CTR | Olympics | 1988 | 2–0–0 1986 Edinburgh CYC gold: 4000 m team pursuit and 10 miles scratch | |
| Kris McCarthy | ATH | Olympics | 2000 | 0–0–1 2002 Manchester ATH bronze: 800 m | |
| Eliza McCartney | ATH | Olympics | 2016—2024 | 0–1–0 2018 Gold Coast ATH silver: pole vault | |
| Eliza McCartney | ATH | Olympics | 2016—2024 | 0–1–0 2018 Gold Coast ATH silver: pole vault | |
| Caitlin McClatchey | SWM | Olympics | 2004—2012 | 2–0–0 2006 Melbourne SWI gold: 200 m freestyle and 400 m freestyle (competed for Scotland) | |
| Dave McCleave | BOX | Olympics | 1932 | 1–0–0 1934 London BOX gold: welterweight -147 lb (66.68 kg) (competed for England) | |
| Dick McClure | ROW | Olympics | 1956 | 0–1–0 1958 Cardiff ROW silver: coxless fours | |
| Liz McColgan | ATH | Olympics | 1988—1996 | 2–0–1 1986 Edinburgh ATH gold: 10000 m (competed for Scotland); 1990 Auckland ATH gold: 10000 m, bronze: 3000 m (competed for Scotland) | |
| Ian McCombie | ATH | Olympics | 1984—1988 | 0–0–2 1986 Edinburgh ATH bronze: 30 miles walk (competed for England); 1990 Auckland ATH bronze: 30 miles walk (competed for England) | |
| Daniel McConnell | MTB | Olympics | 2008—2020 | 0–0–1 2014 Glasgow CYC bronze: mountainbike cross-country | |
| Lee McConnell | ATH | Olympics | 2004—2012 | 0–1–1 2002 Manchester ATH silver: 400 m (competed for Scotland); 2006 Melbourne ATH bronze: 400 m hurdles (competed for Scotland) | |
| Ruaridh McConnochie | RU7 | Olympics | 2016 | 0–0–1 2018 Gold Coast RGS bronze (competed for England) | |
| Ruaridh McConnochie | RU7 | Olympics | 2016 | 0–0–1 2018 Gold Coast RGS bronze (competed for England) | |
| Jessica McCormack | BKB | Olympics | 2008 | 0–1–0 2006 Melbourne BAS silver | |
| Jessica McCormack | BKB | Olympics | 2008 | 0–1–0 2006 Melbourne BAS silver | |
| Pat McCormack | BOX | Olympics | 2016—2020 | 1–0–0 2018 Gold Coast BOX gold: welterweight -69 kg (competed for England) | |
| Pat McCormack | BOX | Olympics | 2016—2020 | 1–0–0 2018 Gold Coast BOX gold: welterweight -69 kg (competed for England) | |
| Simon McCormack | DIV | Olympics | 1992 | 0–0–1 1990 Auckland DIV bronze: 1 m springboard | |
| Jim McCourt | BOX | Olympics / Opening Flagbearer | 1964—1968 | 1–0–0 1966 Kingston BOX gold: light-welterweight -63.5 kg (competed for Northern Ireland) | |
| Brian McCowage | FEN | Olympics / Referee | 1956—1964 | 0–4–0 1958 Cardiff FEN silver: team foil; 1962 Perth FEN silver: team foil; 1966 Kingston FEN silver: team foil and team sabre | |
| Earl McCready | WRE | Olympics | 1928 | 1–0–0 1930 Hamilton WRE gold: freestyle heavyweight +87 kg | |
| Sue McCready | SHO | Olympics | 2000—2008 | 1–1–0 1998 Kuala Lumpur SHO gold: 50 m small-bore rifle 3 positions; 2002 Manchester SHO silver: 50 m small-bore rifle 3 positions/pairs | |
| Nancy McCredie | ATH | Olympics | 1964 | 0–0–1 1966 Kingston ATH bronze: shot put | |
| Brad McCuaig | ATH | Olympics | 2000 | 0–1–0 1998 Kuala Lumpur ATH silver: 4×100 m relay | |
| Kaarle McCulloch | CTR | Olympics | 2012—2020 | 3–2–1 2010 Delhi CYC gold: team sprint, silver: 500 m time trial; 2018 Gold Coast CYC gold: 500 m time Trial and sprint team, silver: Keirin, bronze: sprint | |
| Wayne McCullough | BOX | Olympics / Opening Flagbearer | 1988—1992 | 1–0–0 1990 Auckland BOX gold: flyweight -51 kg (competed for Northern Ireland) | |
| Pat McCutcheon | RU7 | Olympics | 2016 | 0–1–0 2010 Delhi RGS silver | |
| Pat McCutcheon | RU7 | Olympics | 2016 | 0–1–0 2010 Delhi RGS silver | |
| Lee McDermott | GAR | Olympics | 1996 | 2–0–2 1994 Victoria GYM gold: rings, bronze: team (competed for England); 1998 Kuala Lumpur GYM gold: team, bronze: horizontal bar (competed for England) | |
| Damian McDonald | CRD | Olympics | 1996 | 1–0–0 1994 Victoria CYC gold: team time trial | |
| Doug McDonald | ROW | Olympics | 1956 | 1–0–0 1954 Vancouver ROW gold: eights | |
| Julie M. McDonald | SWM | Olympics | 1988—1992 | 2–2–0 1986 Edinburgh SWI silver: 800 m freestyle; 1990 Auckland SWI gold: 800 m freestyle and 4×200 m freestyle, silver: 400 m freestyle | |
| Ken McDonald | WLF | Olympics | 1952 | 1–0–0 1958 Cardiff WLT gold: heavyweight +90 kg | |
| Michael McDonald | ATH | Olympics | 1996—2000 | 1–0–0 1998 Kuala Lumpur ATH gold: 4×400 m relay | |
| Jean McDowall | SWM | Olympics | 1928 | 0–0–3 1930 Hamilton SWI bronze: 4×100 yards freestyle (competed for Scotland); 1934 London SWI bronze: 100 yards freestyle and 3×110 yards medley (competed for Scotland) | |
| Margaret McDowall | SWM | Olympics | 1952 | 1–0–0 1954 Vancouver SWI gold: 3×110 yards medley (competed for Scotland) | |
| Phil McElwaine | BOX | Olympics | 1976 | 1–0–0 1978 Edmonton BOX gold: middleweight -75 kg | |
| Cameron McEvoy | SWM | Olympics | 2012—2024 | 3–4–1 2014 Glasgow SWI gold: 4×100 m freestyle and 4×200 m freestyle, silver: 50 m freestyle, 100 m freestyle, 200 m freestyle, and 4×100 m medley (swam in heats only); 2018 Gold Coast SWI gold: 4×100 m freestyle, bronze: 50 m freestyle | |
| Valerie McFarlane-Beddoe | DIV | Olympics | 1980—1984 | 1–2–1 1978 Edmonton DIV silver: platform (competed as Valerie McFarlane); 1982 Brisbane DIV gold: platform, bronze: 3 m springboard (competed as Valerie Beddoe); 1986 Edinburgh DIV silver: platform (competed as Valerie Beddoe) | |
| Don McFarlane | ATH | Olympics | 1952 | 1–1–0 1954 Vancouver ATH gold: 4×110 yards relay, silver: 100 yards | |
| Mike McFarlane | ATH | Olympics | 1980—1988 | 1–1–1 1982 Brisbane ATH gold: 200 m (competed for England); 1986 Edinburgh ATH silver: 4×100 m relay, bronze: 100 m (competed for England) | |
| Brad McGee | CTR | Olympics | 1996—2008 | 5–0–0 1994 Victoria CYC gold: 4000 m individual pursuit and 4000 m team pursuit; 1998 Kuala Lumpur CYC gold: 4000 m individual pursuit and 4000 m team pursuit; 2002 Manchester CYC gold: 4000 m individual pursuit | |
| Linda McGill | SWM | Olympics | 1964 | 1–1–1 1962 Perth SWI gold: 4×110 yards medley, silver: 220 yards medley, bronze: 110 yards butterfly | |
| Donna McGinnis | SWM | Olympics | 1984—1988 | 1–1–1 1986 Edinburgh SWI gold: 200 m butterfly, silver: 4×100 m medley, bronze: 4×200 m freestyle | |
| Stephen McGlede | CTR | Olympics | 1988—1992 | 0–1–1 1990 Auckland CYC silver: 4000 m team pursuit, bronze: 10 miles scratch | |
| Kevin McGrath | WRE | Olympics | 1964 | 0–1–0 1966 Kingston WRE silver: freestyle bantamweight -57 kg | |
| Mick McGrath | ATH | Olympics | 1972 | 0–1–0 1970 Edinburgh ATH silver: triple jump | |
| Seamus McGrath | MTB | Olympics | 2004—2008 | 0–1–1 2002 Manchester CYC silver: mountainbike cross-country; 2006 Melbourne CYC bronze: mountainbike cross-country | |
| Bobby McGregor | SWM | Olympics | 1964—1968 | 0–2–0 1962 Perth SWI silver: 110 yards freestyle (competed for Scotland); 1966 Kingston SWI silver: 110 yards freestyle (competed for Scotland) | |
| Yvonne McGregor | CRD/CTR | Olympics | 1996—2000 | 1–0–2 1994 Victoria CYC gold: points race, bronze: team time trial (competed for England); 1998 Kuala Lumpur CYC bronze: 3000 m individual pursuit | |
| Barry McGuigan | BOX | Olympics | 1980 | 1–0–0 1978 Edmonton BOX gold: bantamweight -54 kg (competed for Northern Ireland) | |
| Kobie McGurk | HOC | Olympics | 2008—2012 | 2–0–0 2006 Melbourne HOK gold; 2010 Delhi HOK gold | |
| Kobie McGurk | HOC | Olympics | 2008—2012 | 2–0–0 2006 Melbourne HOK gold; 2010 Delhi HOK gold | |
| Wayne McIndoe | HOC | Olympics | 2004 | 0–1–0 2002 Manchester HOK silver | |
| Wayne McIndoe | HOC | Olympics | 2004 | 0–1–0 2002 Manchester HOK silver | |
| Avis McIntosh | ATH | Olympics | 1964 | 0–0–2 1962 Perth ATH bronze: 80 m hurdles and 4×110 yards relay | |
| Cecilia McIntosh | BOB | Olympics | 2010 | 0–1–0 2002 Manchester ATH silver: javelin throw | |
| Jen McIntosh | SHO | Olympics | 2012—2016 | 2–1–2 2010 Delhi SHO gold: 50 m small-bore rifle prone and 50 m small-bore rifle prone/pairs, bronze: 50 m small-bore rifle 3 positions/pairs (competed for Scotland); 2014 Glasgow SHO silver: 50 m small-bore rifle 3 positions, bronze: 50 m small-bore rifle prone (competed for Scotland) | |
| Troy McIntosh | ATH | Olympics | 1996—2000 | 0–0–1 2002 Manchester ATH bronze: 4×400 m relay | |
| Trudy McIntosh | GAR | Olympics | 2000 | 2–1–1 1998 Kuala Lumpur GYM gold: balance beam and team, silver: horse vault, bronze: all-around | |
| David McKay | WRE | Olympics | 1984—1988 | 1–0–0 1986 Edinburgh WRE gold: freestyle lightweight -68 kg | |
| Les McKay | WPO | Olympics / Opening Flagbearer | 1948 | 0–0–0 1950 Auckland WAP gold (exhibition tournament) | |
| Les McKay | WPO | Olympics / Opening Flagbearer | 1948 | 0–0–0 1950 Auckland WAP gold (exhibition tournament) | |
| Mike McKay | ROW | Olympics | 1988—2004 | 1–0–1 1986 Edinburgh ROW gold: eights, bronze: coxed fours | |
| Tom McKean | ATH | Olympics | 1988—1992 | 0–2–0 1986 Edinburgh ATH silver: 800 m (competed for Scotland); 1990 Auckland ATH silver: 4×400 m relay (competed for Scotland) | |
| Les McKeand | ATH | Olympics | 1948 | 0–1–0 1950 Auckland ATH silver: triple jump | |
| Neil McKechnie | SWM | Olympics | 1956 | 0–0–1 1958 Cardiff SWI bronze: 4×110 yards medley (competed for England) | |
| Ned McKendry | SWM | Olympics | 2012 | 2–0–0 2014 Glasgow SWI gold: 4×100 m freestyle (swam in heats only) and 4×200 m freestyle | |
| Ashley McKenzie | JUD | Olympics | 2012—2024 | 1–0–0 2014 Glasgow JUD gold: extra-lightweight -60 kg (competed for England) | |
| David McKenzie | FEN | Olympics / Administrator | 1956—1981 | 0–1–0 1962 Perth FEN silver: team foil | |
| Eleanor McKenzie | ATH | Olympics | 1952 | 0–0–1 1950 Auckland ATH bronze: 220-110-220-110 yards relay | |
| Michael McKenzie | SWM | Olympics | 1988 | 0–1–1 1986 Edinburgh SWI silver: 1500 m freestyle; 1990 Auckland SWI bronze: 1500 m freestyle | |
| Precious McKenzie | WLF | Olympics | 1968—1976 | 4–0–0 1966 Kingston WLT gold: bantamweight -56 kg (competed for England); 1970 Edinburgh WLT gold: bantamweight -56 kg (competed for England); 1974 Christchurch WLT gold: flyweight -52 kg (competed for England); 1978 Edmonton WLT gold: bantamweight -56 kg (competed for New Zealand) | |
| David McKeon | SWM | Olympics | 2012—2016 | 1–1–0 2014 Glasgow SWI gold: 4×200 m freestyle, silver: 400 m freestyle | |
| Emma McKeon | SWM | Olympics / YOG | 2010—2024 | 8–0–4 2014 Glasgow SWI gold: 200 m freestyle, 4×100 m freestyle, 4×200 m freestyle, and 4×100 m medley, bronze: 100 m freestyle and 100 m butterfly; 2018 Gold Coast SWI gold: 100 m butterfly, 4×100 m freestyle, 4×200 m freestyle, and 4×100 m medley, bronze: 200 m freestyle and 200 m butterfly | |
| Ron McKeon | SWM | Olympics | 1980—1984 | 4–1–1 1978 Edmonton SWI gold: 200 m freestyle, 400 m freestyle, and 4×200 m freestyle, silver: 4×100 m freestyle; 1982 Brisbane SWI gold: 4×200 m freestyle, bronze: 200 m freestyle | |
| Taylor McKeown | SWM | Olympics | 2016 | 1–0–0 2014 Glasgow SWI gold: 200 m breaststroke | |
| Bill McKerlich | ROW | Olympics | 1956—1960 | 1–0–0 1958 Cardiff ROW gold: eights | |
| Jackie McKernan | ATH | Olympics | 1988—1996 | 0–1–0 1990 Auckland ATH silver: discus throw (competed for Northern Ireland) | |
| Mark McKoy | ATH | Olympics | 1984—1996 | 3–1–0 1982 Brisbane ATH gold: 110 m hurdles, silver: 4×100 m relay (competed for Canada); 1986 Edinburgh ATH gold: 110 m hurdles and 4×100 m relay (competed for Canada) | |
| Olivia McKoy | ATH | Olympics | 2000—2008 | 0–0–1 2006 Melbourne ATH bronze: javelin throw | |
| Murray McLachlan | SWM | Olympics | 1960 | 0–0–1 1958 Cardiff SWI bronze: 1650 yards freestyle |