Host cities:
2023 Santiago (CHI)
Note: In 2003 the Three-Day Events have been held as Pan American Eventing Championships in Fair Hill, Maryland (USA) on 22-26 October 2003.
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Niurka Montalvo | ATH | Olympics | 1996—2004 | 1–1–0 1995 Mar del Plata ATH gold: long jump, silver: triple jump (competed for Cuba) | |
| Montanaro | VVO | Olympics | 1980—1988 | 0–1–0 1979 San Juan VOL silver | |
| Andrés Montaño | WRE | Olympics | 2016—2024 | 2–0–0 2015 Toronto WRE gold: Greco-Roman featherweight -59 kg; 2019 Lima WRE gold: Greco-Roman featherweight -60 kg | |
| Meg Montão | HBL | Olympics | 2000—2004 | 2–0–0 1999 Winnipeg HAN gold; 2003 Santo Domingo HAN gold | |
| Teri Montefusco | GAR | Olympics | 1960 | 2–1–0 1959 Chicago GYM gold: floor and team, silver: uneven bars | |
| Gideoni Monteiro | CTR | Olympics | 2016 | 0–0–1 2015 Toronto CYC bronze: omnium | |
| Marco Monteiro | GAR | Olympics | 1992 | 0–0–1 1987 Indianapolis GYM bronze: team | |
| Thiago Monteiro | TTE | Olympics | 2004—2012 | 4–1–3 1999 Winnipeg TTN bronze: team; 2003 Santo Domingo TTN gold: doubles, silver: singles; 2007 Rio de Janeiro TTN gold: team, bronze: singles; 2011 Guadalajara TTN gold: team; 2015 Toronto TTN gold: team, bronze: singles | |
| Ernesto Montemayor, Jr. | SHO | Olympics | 1960—1972 | 0–2–3 1955 Ciudad de México SHO bronze: small-bore rifle 3 positions team; 1959 Chicago SHO silver: small-bore rifle prone, bronze: free rifle prone team; 1967 Winnipeg SHO bronze: small-bore rifle prone team; 1975 Ciudad de México SHO silver: small-bore rifle prone team | |
| Ernesto Montemayor, Sr. | SHO | Olympics | 1948—1952 | 0–0–1 1951 Buenos Aires SHO bronze: 25 m rapid-fire pistol team | |
| René Montero | WRE | Olympics | 2004 | 0–1–0 2003 Santo Domingo WRE silver: freestyle featherweight -55 kg | |
| Victoria Montero | BDM | Olympics | 2012 | 0–0–1 2011 Guadalajara BDM bronze: singles | |
| Winston Montero | BOX | Olympics | 2008 | 0–0–1 2007 Rio de Janeiro BOX bronze: light-flyweight -48 kg | |
| Benjamín Monterroso | FBL | Olympics | 1976 | 0–0–1 1983 Caracas FTB bronze | |
| Eliécer Montes | BBL | Olympics | 1996 | 1–0–0 1995 Mar del Plata BSB gold | |
| José Montes | WLF | Olympics | 2012 | 0–0–1 2011 Guadalajara WLT bronze: bantamweight -56 kg | |
| Pablo Montes | ATH | Olympics / Non-starter | 1968—1976 | 0–3–1 1967 Winnipeg ATH silver: 4×100 m relay, bronze: 200 m; 1971 Cali ATH silver: 4×100 m relay; 1975 Ciudad de México ATH silver: 4×100 m relay | |
| Carlos Monteverde | SHO | Olympics | 1952—1960 | 0–1–1 1955 Ciudad de México SHO bronze: 25 m centre fire pistol team; 1959 Chicago SHO silver: 25 m centre fire pistol team | |
| Carol Montgomery | ATH/TRI | Olympics / Non-starter | 2000—2004 | 0–1–2 1995 Mar del Plata ATH silver: 10000 m, bronze: 5000 m; 1999 Winnipeg TRI bronze: individual | |
| Eleanor Montgomery | ATH | Olympics | 1964—1968 | 2–0–0 1963 São Paulo ATH gold: high jump; 1967 Winnipeg ATH gold: high jump | |
| Mary Montgomery | SWM | Olympics | 1972 | 0–1–0 1975 Ciudad de México SWI silver: 800 m freestyle | |
| Toccara Montgomery | WRE | Olympics | 2004 | 1–0–0 2003 Santo Domingo WRE gold: freestyle heavyweight -72 kg | |
| Osvaldo Monti | HOC | Olympics | 1968—1972 | 2–0–0 1967 Winnipeg HOK gold; 1971 Cali HOK gold | |
| Rodolfo Monti | HOC | Olympics | 1968 | 2–0–0 1967 Winnipeg HOK gold; 1971 Cali HOK gold | |
| Juan Carlos Montiel | BOX | Olympics | 1988 | 0–0–1 1987 Indianapolis BOX bronze: middleweight -75 kg | |
| Anne Montminy | DIV | Olympics | 1992—2000 | 1–0–0 1995 Mar del Plata DIV gold: platform | |
| Alejandro Montoya | BOX | Olympics | 1972 | 1–0–0 1975 Ciudad de México BOX gold: middleweight -75 kg | |
| Daniela Montoya | FBL | Olympics | 2012—2024 | 1–1–0 2015 Toronto FTB silver; 2019 Lima FTB gold | |
| Lourdes Montoya | ROW | Olympics | 1992—2000 | 0–1–3 1987 Indianapolis ROW bronze: lightweight double sculls; 1991 La Habana ROW silver: lightweight single sculls, bronze: quadruple sculls; 1995 Mar del Plata ROW bronze: lightweight double sculls | |
| Richard Montpetit | GAR | Olympics | 1960 | 0–4–2 1959 Chicago GYM silver: pommelled horse, horse vault, and team, bronze: robe climbing; 1963 São Paulo GYM silver: team, bronze: pommelled horse | |
| Omar Monza | BKB | Olympics | 1952 | 0–1–0 1951 Buenos Aires BAS silver | |
| Roberto Monzón | WRE | Olympics | 2004—2008 | 2–1–0 1999 Winnipeg WRE silver: Greco-Roman featherweight -58 kg; 2003 Santo Domingo WRE gold: Greco-Roman lightweight -60 kg; 2007 Rio de Janeiro WRE gold: Greco-Roman lightweight -60 kg | |
| Víctor Hugo Monzón | FBL | Olympics | 1988 | 0–0–1 1983 Caracas FTB bronze | |
| Andrea Moody | SWM | Olympics | 1996 | 0–0–1 1995 Mar del Plata SWI bronze: 50 m freestyle | |
| Bryan Moody | BDM | Olympics | 2000 | 0–0–1 1999 Winnipeg BDM bronze: doubles | |
| Heather Moody | WPO | Olympics | 2000—2004 | 1–1–0 1999 Winnipeg WAP silver; 2003 Santo Domingo WAP gold | |
| John Mooney | CSP | Olympics | 1996—2000 | 1–0–0 1999 Winnipeg CAN gold: K4 1000 m | |
| James Moore | MPN | Olympics | 1964—1968 | 1–0–1 1963 São Paulo MOP gold: team, bronze: individual | |
| Joe-Max Moore | FBL | Olympics | 1992 | 1–0–0 1991 La Habana FTB gold | |
| Kendis Moore | SWM | Olympics | 1968 | 1–1–0 1967 Winnipeg SWI gold: 4×100 m medley relay, silver: 200 m backstroke | |
| Marie Moore | SWM | Olympics | 1984 | 0–0–1 1983 Caracas SWI bronze: 200 m butterfly | |
| Tim Moore | DIV | Olympics | 1976 | 1–1–0 1975 Ciudad de México DIV gold: 3 m springboard, silver: platform | |
| Wayne Moore | SWM | Olympics | 1952 | 1–1–0 1955 Ciudad de México SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle | |
| Danilo Mora | ROW | Olympics | 1980 | 1–0–0 1983 Caracas ROW gold: coxed paris | |
| Francisco Mora | ROW | Olympics | 1976—1980 | 1–2–1 1975 Ciudad de México ROW silver: coxed fours and eights; 1979 San Juan ROW gold: coxed pairs, bronze: eights | |
| Iris Mora | FBL | Olympics | 2004 | 0–1–1 1999 Winnipeg FTB silver; 2003 Santo Domingo FTB bronze | |
| Lázaro Mora | FEN | Olympics | 1976 | 1–0–0 1975 Ciudad de México FEN gold: sabre team | |
| Nelson Mora | SWM | Olympics | 1996 | 1–0–0 1995 Mar del Plata SWI gold: 200 m butterfly | |
| Raúl Mora | WLF | Olympics | 1992 | 3–0–0 1987 Indianapolis WLT lightweight -67.5 kg gold: clean & jerk, snatch, and total | |
| Basílio de Moraes Júnior | ATH | Olympics | 2004 | 1–0–0 2007 Rio de Janeiro ATH gold: 4×100 m relay | |
| Carolina Moraes | SWA | Olympics | 2000—2004 | 0–0–2 1999 Winnipeg SYN bronze: duet; 2003 Santo Domingo SYN bronze: duet | |
| Isabela Moraes | SWA | Olympics | 2000—2004 | 0–0–3 1999 Winnipeg SYN bronze: duet; 2003 Santo Domingo SYN bronze: duet and group | |
| Andressa de Morais | ATH | Olympics | 2012—2024 | 0–1–0 2019 Lima ATH silver: discus throw | |
| Alfonso Morales | FEN | Olympics | 1960—1972 | 1–0–0 1963 São Paulo FEN gold: sabre team | |
| Amado Morales | ATH | Olympics | 1976 | 0–0–2 1971 Cali ATH bronze: javelin throw; 1983 Caracas ATH bronze: javelin throw | |
| Ángel Morales | BBL | Olympics / Non-Medal | 1988—1992 | 0–1–2 1987 Indianapolis BSB bronze; 1991 La Habana BSB silver; 1995 Mar del Plata BSB bronze | |
| Francisco Morales | JUD | Olympics | 1992—1996 | 1–1–0 1991 La Habana JUD gold: half-lightweight -65 kg; 1995 Mar del Plata JUD silver: half-lightweight -65 kg | |
| Gisela Morales | SWM | Olympics / Opening Flagbearer | 2004—2008 | 0–0–2 2003 Santo Domingo SWI bronze: 100 m backstroke and 200 m backstroke | |
| Ignacio Morales | TKW | Olympics | 2016 | 0–0–1 2019 Lima TKW bronze: featherweight -68 kg | |
| Juan Morales | ATH | Olympics | 1968—1972 | 0–2–2 1967 Winnipeg ATH silver: 4×100 m relay, bronze: 110 m hurdles; 1971 Cali ATH silver: 4×100 m relay, bronze: 110 m hurdles | |
| Lázaro Morales | WRE | Olympics | 1976 | 0–1–0 1975 Ciudad de México WRE silver: freestyle super-heavyweight +100 kg | |
| Marcos Morales | ROW | Olympics | 2004 | 1–1–0 1999 Winnipeg ROW silver: eights; 2003 Santo Domingo ROW gold: coxless pairs | |
| Mario Morales | BKB | Olympics | 1988—1992 | 1–1–1 1979 San Juan BAS silver; 1987 Indianapolis BAS bronze; 1991 La Habana BAS gold | |
| Pablo Morales | SWM | Olympics | 1984—1992 | 0–1–0 1983 Caracas SWI silver: 100 m butterfly | |
| Surella Morales | ATH | Olympics | 1996 | 1–0–0 1995 Mar del Plata ATH gold: 4×400 m relay | |
| Wilfredo Morales | WRE | Olympics | 1996—2000 | 1–1–1 1995 Mar del Plata WRE gold: freestyle heavyweight -100 kg; 1999 Winnipeg WRE silver: freestyle heavyweight -97 kg; 2003 Santo Domingo WRE bronze: freestyle heavyweight -96 kg | |
| Carlos Moratorio | EVE | Olympics / Opening Flagbearer | 1960—1968 | 0–0–1 1963 São Paulo EQU bronze: Three-Day Event individual | |
| Greg Morava | HBL | Olympics | 1984 | 1–0–0 1987 Indianapolis HAN gold | |
| Roberto Moré | ATH | Olympics | 1976 | 0–0–1 1975 Ciudad de México ATH bronze: pole vault | |
| Janet Moreau | ATH | Olympics | 1952 | 1–0–0 1951 Buenos Aires ATH gold: 4×100 m relay | |
| Lucette Moreau | ATH | Olympics | 1976 | 0–0–1 1975 Ciudad de México ATH bronze: shot put | |
| Brenda Morehead | ATH | Olympics | 1976 | 2–1–0 1975 Ciudad de México ATH gold: 4×100 m relay; 1979 San Juan ATH gold: 4×100 m relay, silver: 100 m | |
| Tim Morehouse | FEN | Olympics | 2008—2012 | 1–1–0 2011 Guadalajara FEN gold: sabre team, silver: sabre | |
| Juraci Moreira Júnior | TRI | Olympics | 2000—2008 | 0–0–1 2007 Rio de Janeiro TRI bronze: individual | |
| Dolores Moreira | SAL | Olympics / YOG / Opening Flagbearer / Closing Flagbearer | 2014—2024 | 0–1–0 2015 Toronto SAI silver: Laser Radial | |
| Federico Moreira | CRD/CTR | Olympics | 1988—1992 | 1–0–0 1987 Indianapolis CYC gold: points race | |
| Pablo Moreira | HOC | Olympics | 1992—2004 | 3–0–0 1991 La Habana HOK gold; 1995 Mar del Plata HOK gold; 2003 Santo Domingo HOK gold | |
| Silvia Morel | TTE | Olympics | 2000 | 0–0–1 1999 Winnipeg TTN bronze: team | |
| Agustín Moreno | TEN | Olympics | 1988 | 0–1–0 1987 Indianapolis TEN silver: doubles | |
| Alexa Moreno | GAR | Olympics | 2016—2024 | 0–0–1 2011 Guadalajara GYM bronze: team | |
| Antônio Carlos Moreno | VVO | Olympics | 1968—1980 | 0–3–1 1967 Winnipeg VOL silver; 1971 Cali VOL bronze; 1975 Ciudad de México VOL silver; 1979 San Juan VOL silver | |
| Carla Moreno | TRI | Olympics | 2000—2004 | 0–1–0 1999 Winnipeg TRI silver: individual | |
| Frank Moreno | JUD | Olympics | 1992—1996 | 2–1–0 1987 Indianapolis JUD gold: heavyweight +95 kg; 1991 La Habana JUD gold: heavyweight +95 kg; 1995 Mar del Plata JUD silver: heavyweight +95 kg | |
| Héctor Moreno | ATH | Olympics | 1984—1996 | 1–0–2 1983 Caracas ATH bronze: 20 km walk; 1987 Indianapolis ATH bronze: 50 km walk; 1991 La Habana ATH gold: 20 km walk | |
| José Querubín Moreno | ATH | Olympics | 1984—1988 | 0–0–2 1983 Caracas ATH bronze: 50 km walk; 1987 Indianapolis ATH bronze: 20 km walk | |
| Juan Miguel Moreno | TKW | Olympics / Non-Medal | 1988—2000 | 1–0–0 1991 La Habana TKW gold: finweight -50 kg | |
| Niurka Moreno | JUD | Olympics | 1992 | 1–0–0 1991 La Habana JUD gold: half-heavyweight -72 kg | |
| Óscar Moreno | ROW | Olympics | 1948 | 1–0–0 1951 Buenos Aires ROW gold: eights | |
| Sandy Moreno | BBL | Olympics | 1996 | 0–1–0 1995 Mar del Plata BSB silver | |
| Xavier Moreno | ATH | Olympics | 2004—2012 | 1–0–0 2007 Rio de Janeiro ATH gold: 50 km walk | |
| Yipsi Moreno | ATH | Olympics | 2000—2012 | 3–1–0 1999 Winnipeg ATH silver: hammer throw; 2003 Santo Domingo ATH gold: hammer throw; 2007 Rio de Janeiro ATH gold: hammer throw; 2011 Guadalajara ATH gold: hammer throw | |
| Fernando Moresi | HOC | Olympics | 1996 | 1–1–0 1995 Mar del Plata HOK gold; 1999 Winnipeg HOK silver | |
| María Moret | BKB | Olympics | 1980 | 1–1–0 1979 San Juan BAS gold; 1983 Caracas BAS silver | |
| Kenia Moreta | VVO | Olympics | 2004 | 1–0–0 2003 Santo Domingo VOL gold | |
| Marcia Morey | SWM | Olympics | 1976 | 1–1–1 1975 Ciudad de México SWI gold: 4×100 m medley relay, silver: 100 m breaststroke, bronze: 200 m breaststroke | |
| Carlos Morfín | WPO | Olympics | 1968 | 0–0–1 1967 Winnipeg WAP bronze | |
| Bárbaro Morgan | WRE | Olympics | 1972—1980 | 1–5–0 1971 Cali WRE silver: freestyle light-heavyweight -90 kg; 1975 Ciudad de México WRE silver: freestyle light-heavyweight -90 kg and Greco-Roman light-heavyweight -90 kg; 1979 San Juan WRE silver: freestyle heavyweight -100 kg and Greco-Roman heavyweight -100 kg; 1983 Caracas SAM gold: +100 kg | |
| Christy Morgan | HOC | Olympics | 1988 | 0–1–0 1987 Indianapolis HOK silver | |
| Colin Morgan | JUD | Olympics | 1996 | 0–0–1 1995 Mar del Plata JUD bronze: half-middleweight -78 kg | |
| Gordy Morgan | WRE | Olympics | 1996 | 0–0–1 1995 Mar del Plata WRE bronze: Greco-Roman welterweight -74 kg | |
| John Morgan | WRE | Olympics | 1988 | 0–0–1 1991 La Habana WRE bronze: Greco-Roman middleweight -82 kg | |
| Keith Morgan | JUD | Olympics | 1996—2008 | 1–2–1 1995 Mar del Plata JUD gold: half-heavyweight -95 kg; 1999 Winnipeg JUD bronze: middleweight -90 kg; 2003 Santo Domingo JUD silver: middleweight -90 kg; 2007 Rio de Janeiro JUD silver: half-heavyweight -100 kg | |
| Dorothy Morkis | EDR | Olympics | 1976 | 1–0–1 1975 Ciudad de México EQU gold: dressage team, bronze: dressage individual | |
| Steve Mormando | FEN | Olympics | 1984—1992 | 1–3–0 1983 Caracas FEN silver: sabre team; 1987 Indianapolis FEN silver: sabre team; 1991 La Habana FEN gold: sabre, silver: sabre team | |
| Jaime Morón | FBL | Olympics | 1972 | 0–1–0 1971 Cali FTB silver | |
| Jim Moroney | ROW | Olympics | 1972—1976 | 1–0–0 1975 Ciudad de México ROW gold: eights | |
| Julián Morrinson | ATH | Olympics | 1976 | 0–1–0 1975 Ciudad de México ATH silver: discus throw | |
| Devon Morris | ATH | Olympics | 1984—1992 | 0–0–1 1987 Indianapolis ATH bronze: 4×400 m relay | |
| George Morris | EJP | Olympics | 1960 | 1–0–0 1959 Chicago EQU gold: jumping team | |
| Ian Morris | ATH | Olympics / Opening Flagbearer | 1988—1992 | 0–1–1 1991 La Habana ATH silver: 400 m; 1995 Mar del Plata ATH bronze: 4×400 m relay | |
| Jason Morris | JUD | Olympics | 1988—2000 | 2–1–0 1987 Indianapolis JUD gold: half-middleweight -78 kg; 1991 La Habana JUD gold: half-middleweight -78 kg; 1995 Mar del Plata JUD silver: half-middleweight -78 kg | |
| Price Morris | WLF | Olympics | 1972 | 0–0–4 1971 Cali WLT super-heavyweight +110 kg bronze: clean & jerk, press, snatch, and total | |
| Una Morris | ATH | Olympics | 1964—1972 | 0–0–1 1967 Winnipeg ATH bronze: 4×100 m relay | |
| Brian Morrissette | ATH | Olympics | 1984 | 0–0–1 1979 San Juan ATH bronze: pole vault | |
| Angus Mortimer | CSP | Olympics | 2008 | 1–2–0 2007 Rio de Janeiro CAN gold: K1 1000 m, silver: K1 500 m and K4 1000 m | |
| Rafael Mósca | SWM | Olympics | 2004 | 0–1–0 2003 Santo Domingo SWI silver: 4×200 m freestyle relay | |
| Carol Moseke | ATH | Olympics | 1968 | 1–0–0 1967 Winnipeg ATH gold: discus throw | |
| Laurence Mosely | SHO | Olympics | 1960 | 1–1–0 1963 São Paulo SHO gold: 25 m rapid-fire pistol team, silver: 25 m rapid-fire pistol | |
| Ana Moser | VVO | Olympics | 1988—1996 | 0–1–0 1991 La Habana VOL silver | |
| Ed Moses | SWM | Olympics | 2000 | 1–1–0 1999 Winnipeg SWI gold: 100 m breaststroke, silver: 4×100 m medley relay | |
| Melisa Moses | DIV | Olympics | 1996 | 0–1–0 1995 Mar del Plata DIV silver: 3 m springboard | |
| Merrill Moses | WPO | Olympics | 2008—2016 | 3–0–0 2007 Rio de Janeiro WAP gold; 2011 Guadalajara WAP gold; 2015 Toronto WAP gold | |
| Scott Mosher | HOC | Olympics | 2000 | 1–0–0 1999 Winnipeg HOK gold | |
| Rolando Mosqueira | EVE | Olympics | 1952 | 0–1–0 1951 Buenos Aires EQU silver: Three-Day Event team | |
| Edwin Mosquera | WLF | Olympics | 2008—2016 | 0–1–0 2007 Rio de Janeiro WLT silver: lightweight -69 kg | |
| Isidro Mosquera | BOX | Olympics | 2004 | 0–1–0 2003 Santo Domingo BOX silver: light-welterweight -64 kg | |
| Juana Mosquera | ATH | Olympics | 1972 | 0–0–1 1971 Cali ATH bronze: 4×100 m relay | |
| Luis Mosquera | WLF | Olympics | 2016—2024 | 1–1–0 2015 Toronto WLT gold: lightweight -69 kg; 2019 Lima WLT silver: lightweight -73 kg | |
| Mabel Mosquera | WLF | Olympics | 2004 | 1–0–0 2003 Santo Domingo WLT gold: featherweight -53 kg | |
| Mosquito | BKB | Olympics | 1960—1972 | 1–1–1 1959 Chicago BAS bronze; 1963 São Paulo BAS silver; 1971 Cali BAS gold | |
| Shona Moss | SAL | Olympics | 1992 | 1–0–0 1991 La Habana SAI gold: Laser | |
| Cydonie Mothersill | ATH | Olympics / Non-starter / Opening Flagbearer | 1996—2012 | 0–1–0 2003 Santo Domingo ATH silver: 200 m | |
| Alfredo da Motta | BKB | Olympics | 1948—1952 | 0–0–1 1951 Buenos Aires BAS bronze | |
| Peter Motzek | HOC | Olympics | 1976 | 0–2–0 1975 Ciudad de México HOK silver; 1979 San Juan HOK silver | |
| Mike Mouat | HOC | Olympics | 1976 | 0–0–1 1971 Cali HOK bronze | |
| Alan Mouchawar | WPO | Olympics | 1988 | 1–0–0 1987 Indianapolis WAP gold | |
| Tim Mountford | CTR | Olympics | 1964—1968 | 0–0–1 1967 Winnipeg CYC bronze: 10 km scratch race | |
| Lucimar Moura | ATH | Olympics | 2004—2008 | 0–1–0 1999 Winnipeg ATH silver: 200 m | |
| Jaque Mourão | BTH/CCS/MTB | Olympics / Opening Flagbearer / Closing Flagbearer | 2004—2022 | 0–0–1 2019 Lima CYC bronze: cross-country | |
| Nick Mowrer | SHO | Olympics | 2012—2020 | 0–2–0 2019 Lima SHO silver: 10 m air pistol and 10 metre air pistol pairs | |
| Julio Moya | BBL | Non-Medal | 1984 | 0–1–0 1983 Caracas BSB silver | |
| Leydi Moya | MPN | Olympics / YOG | 2010—2020 | 0–2–1 2019 Lima MOP silver: relay and mixed relay, bronze: individual | |
| Roberto Moya | ATH | Olympics | 1992—1996 | 1–1–0 1991 La Habana ATH silver: discus throw; 1995 Mar del Plata ATH gold: discus throw | |
| Víctor Moya | ATH | Olympics | 2012 | 1–0–1 2007 Rio de Janeiro ATH gold: high jump; 2011 Guadalajara ATH bronze: high jump | |
| Walter Moyano | CRD | Olympics | 1956 | 0–0–1 1959 Chicago CYC bronze: road race team | |
| Mel Mueller | ATH | Olympics | 2000 | 1–0–0 2003 Santo Domingo ATH gold: pole vault | |
| Ibtihaj Muhammad | FEN | Olympics | 2016 | 3–0–0 2011 Guadalajara FEN gold: foil team and sabre team; 2015 Toronto FEN gold: sabre team | |
| Beatriz Mühlbauer | RU7 | Olympics | 2016 | 0–0–1 2015 Toronto RGS bronze | |
| Bheiglys Mujica | SBL | Olympics | 2008 | 0–1–0 2007 Rio de Janeiro SOF silver | |
| Daniel Mujica | SAL | Olympics | 1968—1976 | 0–0–1 1975 Ciudad de México SAI bronze: Finn | |
| Pedro Muléns | WRE | Olympics | 2012 | 1–0–0 2011 Guadalajara WRE gold: Greco-Roman welterweight -66 kg | |
| Laura Mulhall | HOC | Olympics | 1988 | 2–0–0 1987 Indianapolis HOK gold; 1991 La Habana HOK gold | |
| David Mulica | CTR | Olympics | 1972 | 0–0–1 1971 Cali CYC bronze: 4000 m pursuit team | |
| Kim Mulkey | BKB | Olympics | 1984 | 1–0–0 1983 Caracas BAS gold | |
| Phil Mulkey | ATH | Olympics | 1960 | 0–1–0 1959 Chicago ATH silver: decathlon | |
| Tommy Mulkey | CTR | Olympics | 2000 | 1–0–0 1999 Winnipeg CYC gold: 4000 m pursuit team | |
| Axel Müller | RU7 | Olympics | 2016 | 0–1–0 2015 Toronto RGS silver | |
| Elizabeth Müller | ATH | Olympics | 1948 | 0–0–1 1951 Buenos Aires ATH bronze: high jump | |
| Michael Muller | HOC | Olympics | 1988 | 0–1–0 1991 La Habana HOK silver | |
| Nicole Muller | GRY | Olympics | 2008 | 3–0–0 2007 Rio de Janeiro RGY gold: group, group ribbon, and group hoop & ball | |
| Bill Mulliken | SWM | Olympics | 1960 | 1–0–0 1959 Chicago SWI gold: 200 m backstroke | |
| Chris Mullin | BKB | Olympics | 1984—1992 | 1–0–0 1983 Caracas BAS gold | |
| Melissa Mulloy | SHO | Olympics | 2000 | 0–1–0 2003 Santo Domingo SHO silver: 10 m air rifle | |
| Lori Ann Mundt | VVO | Olympics | 1996 | 0–0–1 1995 Mar del Plata VOL bronze | |
| Anniara Muñoz | VVO | Olympics | 2004 | 0–1–0 2003 Santo Domingo VOL silver | |
| Arnoldo Muñoz | BBL | Non-Medal | 1984 | 0–1–0 1983 Caracas BSB silver | |
| Carlos Muñoz | WRE | Olympics | 2016—2024 | 0–0–1 2015 Toronto WRE bronze: Greco-Roman middleweight -75 kg | |
| Edgar Ramón Muñoz | BOX | Olympics | 2004—2016 | 0–1–1 2003 Santo Domingo BOX bronze: light-heavyweight -81 kg; 2015 Toronto BOX silver: super-heavyweight +91 kg | |
| Felipe Muñoz | SWM | Olympics / Administrator / Opening Flagbearer | 1968—2012 | 0–1–1 1971 Cali SWI silver: 200 m breaststroke, bronze: 200 m medley | |
| Guillermo Muñoz | TTE | Olympics | 1996 | 0–0–1 2011 Guadalajara TTN bronze: team | |
| Lino Muñoz | BDM | Olympics | 2016—2020 | 0–0–2 2011 Guadalajara bronze: doubles; 2015 Toronto BDM bronze: doubles | |
| Miriam Muñoz | PEL | Non-Medal | 1992 | 1–0–0 1995 Mar del Plata PEL gold: 30 m frontenis doubles | |
| Roberto Muñoz | CRD/CTR | Olympics | 1984 | 1–0–0 1979 San Juan CYC gold: 4000 m pursuit team | |
| Thalia Munro | WPO | Olympics | 2004 | 1–0–0 2003 Santo Domingo WAP gold | |
| Anastasiya Muntyanu | GRY | Olympics | 2012 | 0–2–1 2011 Guadalajara RGY silver: group and group 3 ribbons & 2 hoops, bronze: group balls | |
| Lloyd Murad | ATH | Olympics / Non-starter | 1960—1968 | 0–1–0 1959 Chicago ATH silver: 4×100 m relay | |
| Ira Murchison | ATH | Olympics | 1956 | 1–0–1 1963 São Paulo ATH gold: 4×100 m relay, bronze: 100 m | |
| Margaret Murdock | SHO | Olympics | 1976 | 5–0–0 1967 Winnipeg SHO gold: small-bore rifle 3 positions and small-bore rifle 3 positions team (competed as Margaret Thompson); 1975 Ciudad de México SHO gold: small-bore rifle 3 positions, small-bore rifle 3 positions team, and small-bore rifle prone team (competed as Margaret Murdock) | |
| Fabiana Mürer | ATH | Olympics | 2008—2016 | 1–2–0 2007 Rio de Janeiro ATH gold: pole vault; 2011 Guadalajara ATH silver: pole vault; 2015 Toronto ATH silver: pole vault | |
| Tolentino Murillo | WLF | Olympics | 1988 | 0–3–0 1987 Indianapolis WLT bantamweight -56 kg silver: snatch and total; 1991 La Habana WLT lightweight -67.5 kg silver: snatch | |
| Murilo | VVO | Olympics | 2008—2012 | 1–0–0 2007 Rio de Janeiro VOL gold | |
| Clayton Murphy | ATH | Olympics | 2016—2020 | 1–0–0 2015 Toronto ATH gold: 800 m | |
| Dennis Murphy | EJP | Olympics | 1976 | 1–0–0 1975 Ciudad de México EQU gold: jumping team | |
| Ed Murphy | FBL | Olympics | 1956 | 0–0–1 1959 Chicago FTB bronze | |
| John Murphy | SWM | Olympics | 1972 | 1–1–0 1971 Cali SWI gold: 4×100 m medley relay, silver: 100 m backstroke | |
| Linda Murphy | VVO | Olympics | 1964 | 1–1–0 1963 São Paulo VOL silver; 1967 Winnipeg gold | |
| Lizanne Murphy | BKB | Olympics | 2012—2016 | 1–0–0 2015 Toronto BAS gold | |
| Ryan Murphy | SWM | Olympics | 2016—2024 | 0–0–1 2011 Guadalajara SWI bronze: 200 m backstroke | |
| Ted Murphy | ROW | Olympics | 1996—2000 | 1–0–0 1999 Winnipeg ROW gold: eights | |
| Tom Murphy | ATH | Olympics | 1960 | 1–0–0 1959 Chicago ATH gold: 800 m | |
| Tom Murray | ROW | Olympics | 1996 | 2–1–0 1995 Mar del Plata ROW gold: coxed fours, silver: coxed pairs; 1999 Winnipeg ROW gold: eights | |
| Sinclair Murrell | BKB | Olympics | 1968 | 0–0–1 1967 Winnipeg BAS bronze | |
| José Antonio Musi | PEL | Non-Medal | 1992 | 0–1–1 1995 Mar del Plata PEL silver: 36 m pala corta doubles, bronze: 36 m paleta cuero doubles | |
| Maddie Musselman | WPO | Olympics | 2016—2024 | 2–0–0 2015 Toronto WAP gold; 2019 Lima WAP gold | |
| Flor Mutio | HOC | Olympics | 2012—2016 | 0–1–0 2015 Toronto HOK silver | |
| Curtis Myden | SWM | Olympics | 1992—2000 | 4–0–2 1995 Mar del Plata SWI gold: 200 m medley and 400 m medley, bronze: 200 m breaststroke and 4×100 m medley relay; 1999 Winnipeg SWI gold: 200 m medley and 400 m medley | |
| Paula Jean Myers-Pope | DIV | Olympics | 1952—1960 | 2–0–0 1959 Chicago DIV gold: 3 m springboard and platform | |
| Richard Myerscough | SAL | Olympics | 1988 | 0–0–1 1987 Indianapolis SAI bronze: Lechner | |
| Aaron Myette | BBL | Olympics | 2004 | 0–0–1 1999 Winnipeg BSB bronze | |
| Larry Myricks | ATH | Olympics | 1976—1988 | 0–1–0 1987 Indianapolis ATH silver: long jump |