Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Kazuya Mitake | VVO | Olympics / Coach | 1984—1988 | 1–0–0 1982 New Delhi VVO gold | |
| Hiroshi Mitome | ROW | Olympics | 1992 | 0–1–0 1990 Beijing ROW silver: eights | |
| Aki Mitsuhashi | HOC | Olympics | 2012—2020 | 0–0–1 2010 Guangzhou HOC bronze | |
| Eizaburo Mitsuhashi | VVO | Olympics | 1984—1988 | 1–0–0 1982 New Delhi VVO gold | |
| Risako Mitsui | SWA | Olympics | 2012—2016 | 0–3–0 2014 Incheon SWA silver: duet, team, and combination | |
| Yasuaki Mitsumori | VVO | Olympics | 1968 | 1–0–0 1970 Bangkok VVO gold | |
| Yuko Mitsuya | VVO | Olympics | 1984 | 0–1–0 1982 New Delhi VVO silver | |
| Hanako Miura | GAR | Olympics | 1992—1996 | 0–1–0 1994 Hiroshima GAR silver: team | |
| Hiroshi Miura | SWM | Olympics | 1988 | 2–1–0 1986 Seoul SWM gold: 100 m butterfly and 4×100 m medley relay, silver: 4×100 m freestyle relay | |
| Keiko Miura | HOC | Olympics | 2004—2008 | 0–1–2 2002 Busan HOC bronze; 2006 Doha HOC silver; 2010 Guangzhou HOC bronze | |
| Kunihiro Miura | BOX | Olympics | 1984—1988 | 0–1–1 1986 Seoul BOX bronze: welterweight -67 kg; 1990 Beijing BOX silver: light-welterweight -63.5 kg | |
| Kunihiro Miura | BOX | Olympics | 1984—1988 | 0–1–1 1986 Seoul BOX bronze: welterweight -67 kg; 1990 Beijing BOX silver: light-welterweight -63.5 kg | |
| Kyoshi Miura | CRD/MTB | Olympics | 1988—1996 | 0–1–0 1986 Seoul CRD silver: road time trial team | |
| Naoko Miura | SWM | Olympics | 1976 | 0–2–0 1978 Bangkok SWM silver: 100 m backstroke and 200 m backstroke | |
| Nobuyoshi Miura | ATH | Olympics | 1968 | 1–0–1 1966 Bangkok ATH bronze: 3000 m steeplechase; 1970 Bangkok ATH gold: 3000 m steeplechase | |
| Hideki Miwa | CTR | Olympics | 1988 | 1–0–0 1990 Beijing CRD gold: sprint | |
| Shizue Miyabe | SWM | Olympics | 1952—1960 | 2–0–1 1954 Manila SWM gold: 4×100 m freestyle relay, bronze: 100 m freestyle; 1958 Tokyo SWM gold: 100 m butterfly | |
| Nana Miyagi | TEN | Olympics | 2000 | 3–1–4 1990 Beijing TEN gold: team, bronze: doubles; 1994 Hiroshima TEN gold: team, silver: mixed doubles, bronze: doubles; 1998 Bangkok TEN gold: mixed doubles, bronze: doubles and team | |
| Atsuji Miyahara | WRE | Olympics | 1984—1988 | 1–0–0 1986 Seoul WRE gold: Greco-Roman flyweight -52 kg | |
| Mieko Miyahara | FEN | Olympics | 1984—1988 | 0–0–2 1986 Seoul FEN bronze: foil team; 1990 Beijing FEN bronze: foil team | |
| Misako Miyahara | ATH | Olympics | 1988 | 0–1–0 1986 Seoul ATH silver: marathon | |
| Teruhiko Miyahara | WRE | Olympics | 1976 | 0–1–0 1974 Tehran WRE silver: Greco-Roman featherweight -62 kg | |
| Toshiyuki Miyahara | WPO | Olympics | 1984 | 0–2–0 1978 Bangkok WPO silver; 1982 New Delhi WPO silver | |
| Keiko Miyajima | VVO | Olympics | 1984 | 0–1–0 1986 Seoul VVO silver | |
| Ryo Miyake | FEN | Olympics | 2012 | 1–0–0 2014 Incheon FEN gold: foil team | |
| Yoshinobu Miyake | WLF | Olympics | 1960—1972 | 1–0–0 1966 Bangkok WLF gold: featherweight -60 kg | |
| Yoshiyuki Miyake | WLF | Olympics | 1968 | 1–0–0 1970 Bangkok WLF gold: featherweight -60 kg | |
| Aya Miyama | FBL | Olympics | 2008—2012 | 1–2–0 2006 Doha FBL silver; 2010 Guangzhou FBL gold; 2014 Incheon FBL silver | |
| Fumiharu Miyamoto | CTR | Olympics | 1988 | 1–0–0 1990 Beijing CRD gold: 4000 m pursuit team | |
| Masakatsu Miyamoto | FBL | Olympics / Non-starter | 1964—1968 | 0–0–1 1966 Bangkok FBL bronze | |
| Masami Miyamoto | DIV | Olympics | 1952 | 2–1–0 1954 Manila DIV gold: 3 m springboard and platform; 1958 Tokyo DIV silver: platform | |
| Teruki Miyamoto | FBL | Olympics | 1964—1968 | 0–0–1 1966 Bangkok FBL bronze | |
| Teruko Miyamoto | BKB | Olympics | 1976 | 1–0–0 1974 Tehran BKB gold | |
| Tomomi Miyamoto | FBL | Olympics | 2004 | 0–0–2 1998 Bangkok FBL bronze (competed as Tomomi Mitsui); 2002 Busan FBL bronze | |
| Aiko Miyamura | BDM | Olympics | 1996 | 0–0–2 1990 Beijing BDM bronze: team; 1994 Hiroshima BDM bronze: team | |
| Motonobu Miyamura | WPO | Olympics | 1960 | 1–0–0 1958 Tokyo WPO gold | |
| Ai Miyaoka | WSU | Non-Medal | 2008 | 0–2–0 2006 Doha WUS silver: Taijiquan & Taijijuan; 2010 Guangzhou WUS silver: Taijiquan & Taijijuan | |
| Junichi Miyashita | SWM | Olympics | 2008 | 2–0–0 2006 Doha SWM gold: 100 m backstroke and 4×100 m medley relay | |
| Kazuhiro Miyashita | HBL | Olympics | 1988 | 0–1–1 1986 Seoul HBL bronze; 1990 Beijing HBL silver | |
| Miyo Miyashita | ATH | Olympics | 1952 | 0–1–0 1954 Manila ATH silver: 80 m hurdles | |
| Eiki Miyazaki | EVE | Olympics | 1988—1992 | 1–1–0 1986 Seoul EJP gold: Three-Day Event team, silver: Three-Day Event individual | |
| Hisashi Miyazaki | BOB | Olympics | 2014 | 0–1–0 2002 Busan ATH silver: 4×100 m relay | |
| Nami Miyazaki | HOC | Olympics | 2004 | 0–0–1 2002 Busan HOC bronze | |
| Takiri Miyazaki | DIV | Olympics | 2004 | 0–0–1 2002 Busan DIV bronze: synchronised platform | |
| Yoshinobu Miyazaki | SWM | Olympics | 1996 | 0–0–1 1998 Bangkok SWM bronze: 200 m breaststroke | |
| Yuka Miyazaki | FBL | Non-starter | 2004 | 0–0–1 2002 Busan FBL bronze | |
| Takashi Miyazawa | CRD | Olympics | 2008 | 0–1–0 2010 Guangzhou CRD silver: road race | |
| Naho Miyoshi | BKB | Olympics | 2016—2020 | 0–0–1 2014 Incheon BKB bronze | |
| Satoru Miyoshi | ROW | Olympics | 1984—1988 | 1–1–0 1986 Seoul ROW gold: coxless pais; 1990 Beijing ROW silver: eights | |
| Tomohiro Miyoshi | SWM | Olympics | 1992 | 0–1–1 1990 Beijing SWM silver: 200 m butterfly, bronze: 100 m butterfly | |
| Ghader Mizbani | CRD | Olympics | 2008—2016 | 1–1–0 1998 Bangkok CRD gold: individual road time trial; 2006 Doha CRD silver: road time trial team | |
| Kazuhiro Mizoguchi | ATH | Olympics | 1984—1988 | 1–0–1 1986 Seoul ATH gold: javelin throw; 1990 Beijing ATH bronze: javelin throw | |
| Hisako Mizui | BDM | Olympics | 1992—1996 | 0–1–2 1990 Beijing BDM bronze: team; 1994 Hiroshima BDM silver: singles, bronze: team | |
| Yasuko Mizui | BDM | Olympics | 1996—2000 | 0–0–2 1994 Hiroshima BDM bronze: team; 1998 Bangkok BDM bronze: team | |
| Hideo Mizuno | WLF | Olympics | 1992 | 0–1–1 1990 Beijing WLF bronze: lightweight -67.5 kg; 1994 Hiroshima WLF silver: middleweight -76 kg | |
| Andrey Mizurov | CRD | Olympics | 2004—2008 | 2–0–1 1994 Hiroshima CRD gold: road time trial team; 2006 Doha CRD gold: road time trial team, bronze: individual road time trial | |
| Koichi Mizushima | GAR | Olympics | 1988 | 0–0–3 1986 Seoul GAR bronze: parallel bars, horizontal bar, and team | |
| Hisashi Mizutori | GAR | Olympics | 2004 | 1–3–2 2002 Busan GAR bronze: team; 2006 Doha GAR gold: horizontal bar, silver: all-around and team; 2010 Guangzhou GAR silver: team, bronze: all-around | |
| Mo Huilan | GAR | Olympics | 1996 | 5–0–1 1994 Hiroshima GAR gold: floor, horse vault, uneven bars, balance beam and team, bronze: all-around | |
| Mo Ji-Yeong | HOC | Olympics | 1988 | 1–0–0 1986 Seoul HOC gold | |
| Mo Ke | BKB | Olympics | 2004 | 1–0–0 2006 Doha BKB gold | |
| Mo Myeong-Hui | ATH | Olympics | 1984 | 0–0–3 1982 New Delhi ATH bronze: 100 m, 200 m, and 4×100 m relay | |
| Arvin Moazami | CRD | Olympics | 2016 | 0–1–0 2014 Incheon CRD silver: road race | |
| Aleksey Mochalov | CSP | Olympics | 2016 | 2–0–2 2010 Guangzhou CSP gold: K4 1000 m, bronze: K1 200 m; 2014 Incheon CSP gold: K1 1000 m, bronze: K4 1000 m | |
| Sachi Mochida | SWM | Olympics | 2016 | 0–2–0 2018 Jakarta/Palembang SWM silver: 200 m butterfly and 4×200 m freestyle relay (swam in heats only) | |
| Noriko Mochizuki | GAR | Olympics | 1984 | 0–0–1 1986 Seoul GAR bronze: team | |
| Davit Modzmanashvili | WRE | Olympics | 2012 | 0–0–1 2018 Jakarta/Palembang WRE bronze: freestyle super-heavyweight -125 kg | |
| Ehsan Mohajer Shojaei | ATH | Olympics | 2008 | 0–0–1 2006 Doha ATH bronze: 800 m | |
| Khairul Anuar Bin Mohamad | ARC | Olympics | 2012—2020 | 0–1–0 2014 Incheon ARC silver: team | |
| Nur Suryani Mohamed Taibi | SHO | Olympics | 2012—2020 | 0–1–2 2010 Guangzhou SHO bronze: 10 m air rifle; 2014 Incheon SHO silver: 50 m small-bore rifle prone, bronze: 50 m small-bore rifle prone team | |
| Darioush Mohammadi | WPO | Olympics | 1976 | 1–0–0 1974 Tehran WPO gold | |
| Morad Mohammadi | WRE | Olympics | 2008 | 1–0–0 2006 Doha WRE gold: freestyle lightweight -60 kg | |
| Asgari Mohammadian | WRE | Olympics | 1988—1992 | 1–1–0 1982 New Delhi WRE silver: freestyle bantamweight -57 kg; 1986 Seoul WRE gold: freestyle bantamweight -57 kg | |
| Mohammed Hameed | FBL | Olympics | 2016 | 0–0–1 2014 Incheon FBL bronze | |
| Abdul Rahman Bressam Mohammed | WRE | Olympics | 1980—1984 | 0–0–1 1978 Bangkok WRE bronze: freestyle middleweight -82 kg | |
| Bassem Hassan Mohammed | EJP | Olympics | 2016 | 1–0–1 2014 Incheon EJP gold: jumping team; 2018 Jakarta/Palembang EJP bronze: jumping team | |
| Mohammed Yaseen Mohammed | WLF | Olympics | 1980—1984 | 0–0–1 1982 New Delhi WLF bronze: middleweight -75 kg | |
| Khairulnizam Mohd Afendy | SAL | Olympics | 2012—2024 | 0–2–0 2014 Incheon SAL silver: Laser; 2018 Jakarta/Palembang SAL silver: Laser | |
| Gitty Moheban | FEN | Olympics | 1976 | 1–0–1 1974 Tehran FEN gold: foil team, bronze: foil | |
| Mohamed Hossein Mohebbi | WRE | Olympics | 1976 | 1–1–0 1982 New Delhi WRE gold: freestyle light-heavyweight -90 kg; 1986 Seoul WRE silver: freestyle light-heavyweight -90 kg | |
| Qazi Mohib | HOC | Olympics | 1988 | 1–1–0 1986 Seoul HOC silver; 1990 Beijing HOC gold | |
| Syed Ghulam Moinuddin | HOC | Olympics | 1984 | 0–1–0 1986 Seoul HOC silver | |
| Adel Mojallali | CSP | Olympics | 2016 | 0–0–1 2014 Incheon CSP bronze: C1 200 m | |
| Mok Chun-Wah | FBL | Olympics | 1960 | 2–0–0 1954 Manila FBL gold; 1958 Tokyo FBL gold | |
| Aida Molinos | ATH | Olympics | 1964 | 1–0–0 1962 Jakarta ATH gold: 4×100 m relay | |
| Saeid Mollaei | JUD | Olympics | 2016—2020 | 0–1–0 2018 Jakarta/Palembang JUD silver: half-middleweight -81 kg | |
| Dipya Mongkollugsana | SHO | Olympics | 1968 | 0–1–0 1974 Tehran SHO silver: trap team | |
| Ferry Moniaga | BOX | Olympics | 1972 | 0–0–1 1970 Bangkok BOX bronze: flyweight -51 kg | |
| Ferry Moniaga | BOX | Olympics | 1972 | 0–0–1 1970 Bangkok BOX bronze: flyweight -51 kg | |
| Monika | HOC | Olympics | 2016—2020 | 0–1–1 2014 Incheon HOC bronze; 2018 Jakarta/Palembang HOC silver | |
| Teruyuki Moniwa | FBL | Olympics | 2004 | 0–1–0 2002 Busan FBL silver | |
| Mönkhbaataryn Bundmaa | JUD | Olympics | 2008—2012 | 0–2–0 2006 Doha JUD silver: half-lightweight -52 kg; 2010 Guangzhou JUD silver: half-lightweight -52 kg | |
| Mönkhbatyn Urantsetseg | JUD | Olympics | 2012—2020 | 1–0–1 2014 Incheon JUD gold: extra-lightweight -48 kg; 2018 Jakarta/Palembang JUD bronze: extra-lightweight -48 kg | |
| Sajjad Moradi | ATH | Olympics | 2004—2012 | 1–1–0 2010 Guangzhou ATH gold: 800 m, silver: 1500 m | |
| Sohrab Moradi | WLF | Olympics | 2012—2016 | 1–0–0 2018 Jakarta/Palembang WLF gold: middle-heavyweight -94 kg | |
| Chiharu Mori | SWM | Olympics | 1976 | 0–1–1 1978 Bangkok SWM silver: 200 m breaststroke, bronze: 100 m breaststroke | |
| Hisako Mori | BDM | Olympics | 1992 | 0–0–1 1990 Beijing BDM bronze: team | |
| Kaori Mori | BDM | Olympics | 2004 | 0–1–0 2006 Doha BDM silver: team | |
| Katsuichi Mori | DIV | Olympics | 1952 | 1–1–0 1954 Manila DIV gold: platform, silver: 3 m springboard | |
| Masahiko Mori | BBL | Olympics | 1996 | 1–0–0 1994 Hiroshima BSB gold | |
| Masahiko Mori | BBL | Olympics | 1996 | 1–0–0 1994 Hiroshima BSB gold | |
| Minori Mori | ATH | Olympics | 1984 | 0–0–1 1982 New Delhi ATH bronze: javelin throw | |
| Satoshi Mori | BKB | Olympics | 1972—1976 | 0–0–1 1970 Bangkok BKB bronze | |
| Takahiro Mori | SWM | Olympics | 2004 | 2–1–0 1998 Bangkok SWM gold: 400 m medley; 2002 Busan SWM gold: 200 m medley, silver: 400 m medley | |
| Takaji Mori | FBL | Olympics / Non-starter | 1964—1968 | 0–0–1 1966 Bangkok FBL bronze | |
| Takumi Mori | WRE | Olympics | 1992 | 0–1–2 1986 Seoul WRE silver: Greco-Roman lightweight -68 kg; 1990 Beijing WRE bronze: Greco-Roman lightweight -68 kg; 1994 Hiroshima WRE bronze: Greco-Roman lightweight -68 kg | |
| Akiko Morigami | TEN | Olympics | 2004 | 0–1–2 2002 Busan TEN bronze: doubles; 2006 Doha TEN silver: mixed doubles, bronze: team | |
| Kenji Morimoto | EJP | Olympics | 1996 | 1–0–0 2002 Busan EJP gold: jumping team | |
| Mamoru Morimoto | ATH | Olympics | 1964 | 1–0–2 1962 Jakarta ATH gold: 800 m, bronze: 4×400 m relay; 1966 Bangkok ATH bronze: 800 m | |
| Sakae Morimoto | HOC | Olympics | 2004—2008 | 0–1–1 2002 Busan HOC bronze; 2006 Doha HOC silver | |
| Masaki Morinaga | ATH | Olympics | 1992—2000 | 1–0–0 1998 Bangkok ATH gold: long jump | |
| Maiko Morio | GAR | Olympics | 1984—1988 | 0–0–3 1982 New Delhi GAR bronze: balance beam and team; 1986 Seoul GAR bronze: team | |
| Koichiro Morioka | ATH | Olympics | 2008—2016 | 0–0–2 2006 Doha ATH bronze: 20 km walk; 2010 Guangzhou ATH bronze: 50 km walk | |
| Koichi Morishita | ATH | Olympics | 1992 | 1–1–0 1990 Beijing ATH gold: 10000 m, silver: 5000 m | |
| Shinji Morisue | GAR | Olympics | 1984 | 0–2–0 1982 New Delhi GAR silver: horizontal bar and team | |
| Ayumi Morita | TEN | Olympics | 2008 | 0–0–1 2010 Guangzhou TEN bronze: team | |
| Hisao Morita | ATH | Olympics | 1964 | 1–0–0 1962 Jakarta ATH gold: pole vault | |
| Jungo Morita | VVO | Olympics | 1968—1972 | 2–0–0 1966 Bangkok VVO gold; 1970 Bangkok VVO gold | |
| Kimie Morita | VVO | Olympics | 1984 | 0–1–0 1982 New Delhi VVO silver | |
| Tomomi Morita | SWM | Olympics | 2004—2008 | 1–0–1 2002 Busan SWM gold: 4×100 m medley relay (swam in heats only), bronze: 100 m backstroke | |
| Teruhisa Moriyama | VVO | Olympics | 1964 | 3–0–0 1962 Jakarta VVO gold: six-a-side and nine-a-side; 1966 Bangkok VVO gold | |
| Yasutoshi Moriyama | WRE | Olympics | 1984—1992 | 1–0–2 1986 Seoul WRE gold: Greco-Roman light-heavyweight -90 kg; 1990 Beijing WRE bronze: Greco-Roman light-heavyweight -90 kg; 1994 Hiroshima WRE bronze: Greco-Roman light-heavyweight -90 kg | |
| Yoshiko Morizane | SWM | Olympics | 1964 | 2–1–0 1966 Bangkok SWM gold: 100 m breaststroke and 4×100 m medley relay, silver: 200 m breaststroke | |
| Fumihiko Moroyama | BKB | Olympics | 1964 | 0–0–1 1970 Bangkok BKB bronze | |
| Bahram Moshtaghi | WRE | Olympics | 1976 | 1–0–0 1974 Tehran WRE gold: Greco-Roman heavyweight -100 kg | |
| Meisam Mostafa Jokar | WRE | Olympics | 2008 | 1–0–0 2014 Incheon WRE gold: freestyle light-heavyweight -86 kg | |
| Masaru Motegi | WRE | Olympics | 1976 | 1–1–0 1974 Tehran WRE silver: freestyle middleweight -82 kg; 1978 Bangkok WRE gold: freestyle middleweight -82 kg | |
| Motiullah | HOC | Olympics | 1956—1964 | 2–0–0 1958 Tokyo HOC gold; 1962 Jakarta HOC gold | |
| Yuki Motobuchi | DIV | Olympics / Referee | 1988—2024 | 0–0–5 1986 Seoul DIV bronze: 3 m springboard; 1990 Beijing DIV bronze: 1 m springboard, 3 m springboard, and team; 1994 Hiroshima DIV bronze: 3 m springboard | |
| Sanae Motokawa | BKB | Olympics | 2016 | 0–0–1 2014 Incheon BKB bronze | |
| Kaveh Mousavi | ATH | Olympics | 2012—2016 | 0–1–0 2010 Guangzhou ATH silver: hammer throw | |
| Mohammad Mousavi | VVO | Olympics | 2016—2020 | 2–1–0 2010 Guangzhou VVO silver; 2014 Incheon VVO gold; 2018 Jakarta/Palembang VVO gold | |
| Ahmad Hassan Moussa | ATH | Olympics | 2004 | 0–0–1 2002 Busan ATH bronze: decathlon | |
| Abdullah Movahed | WRE | Olympics / Opening Flagbearer | 1964—1972 | 2–0–0 1966 Bangkok WRE gold: freestyle lightweight -70 kg; 1970 Bangkok WRE gold: freestyle lightweight -68 kg | |
| Mu Lati | SWM | Olympics | 1984 | 1–0–0 1986 Seoul SWM gold: 4×100 m freestyle relay | |
| Mu Xia | SBL | Olympics | 2000—2004 | 1–1–0 1998 Bangkok SOF gold; 2002 Busan SOF silver | |
| Bilal Saad Mubarak | ATH | Olympics | 1992—2000 | 0–1–0 2002 Busan ATH silver: shot put | |
| Ishtiaq Mubarak | ATH | Olympics / Opening Flagbearer | 1968—1976 | 0–1–1 1966 Bangkok ATH bronze: 110 m hurdles; 1974 Tehran ATH silver: 110 m hurdles | |
| Khaled Al-Mudhaf | SHO | Olympics | 2000—2024 | 3–2–1 1998 Bangkok SHO gold: trap team; 2006 Doha SHO gold: trap team, bronze: trap; 2010 Guangzhou SHO gold: trap team, silver: trap (competed under the IOC flag as athlete from Kuwait); 2014 Incheon SHO silver: trap team | |
| Rashid Muhammad | HOC | Olympics | 2012 | 1–1–0 2010 Guangzhou HOC gold; 2014 Incheon HOC silver | |
| Riaz Nabi Muhammad | HOC | Olympics | 1996—2000 | 1–1–0 1994 Hiroshima HOC silver; 1998 Bangkok HOC gold | |
| Danish Mujtaba | HOC | Olympics | 2012—2016 | 1–0–1 2010 Guangzhou HOC bronze; 2014 Incheon HOC gold | |
| Takahiro Mukai | WRE | Olympics | 1984—1988 | 0–1–0 1986 Seoul WRE silver: Greco-Roman middleweight -82 kg | |
| Margarita Mukashova | ATH | Olympics | 2012—2016 | 2–2–0 2010 Guangzhou ATH gold: 800 m, silver: 4×400 m relay (competed as Margarita Matsko); 2014 Incheon ATH gold: 800 m; 2018 Jakarta/Palembang ATH silver: 800 m | |
| Dilshod Mukhtarov | SHO | Olympics | 2000—2008 | 0–1–0 1998 Bangkok SHO silver: 25 m standard pistol | |
| Khaled Al-Mulla | HBL | Olympics | 1996 | 0–1–0 1998 Bangkok HBL silver | |
| Lauro Mumar | BKB | Olympics | 1948 | 2–0–0 1951 New Delhi BKB gold; 1954 Manila BKB gold | |
| Shokir Muminov | JUD | Olympics | 2008 | 0–0–1 2006 Doha JUD bronze: lightweight -73 kg | |
| Mun Byeong-Uk | HBL | Olympics | 1992—2000 | 2–0–0 1990 Beijing HBL gold; 1994 Hiroshima HBL gold | |
| Mun Dong-Hwan | BBL | Olympics | 1996 | 0–1–0 1994 Hiroshima BSB silver | |
| Mun Dong-Hwan | BBL | Olympics | 1996 | 0–1–0 1994 Hiroshima BSB silver | |
| Mun Eun-Jin | EJP | Olympics | 1988—1992 | 0–0–1 1986 Seoul EJP bronze: jumping team | |
| Mun Gyeong-Ae | WLF | Olympics | 2000 | 0–0–1 2002 Busan WLF bronze: super-heavyweight +75 kg | |
| Mun Gyeong-Eun | BKB | Olympics | 1996 | 1–2–0 1994 Hiroshima BKB silver; 1998 Bangkok BKB silver; 2002 Busan BKB gold | |
| Mun Gyeong-Ha | HBL | Olympics | 2000—2012 | 2–0–1 2002 Busan HBL gold; 2006 Doha HBL gold; 2010 Guangzhou HBL bronze | |
| Mun Gyeong-Ja | BKB | Olympics | 1984 | 0–1–0 1986 Seoul BKB silver | |
| Mun Gyeong-Suk | VVO | Olympics | 1964—1968 | 0–1–0 1966 Bangkok VVO silver | |
| Mun Hyang-Ja | HBL | Olympics | 1992—1996 | 1–0–0 1994 Hiroshima HBL gold | |
| Mun Hyeon-Jang | BKB | Olympics | 1964 | 0–0–1 1962 Jakarta BKB bronze | |
| Mun Ji-Yun | JUD | Olympics / Non-Medal | 1988—1992 | 0–1–2 1990 Beijing JUD silver: open class, bronze: heavyweight +72 kg; 1994 Hiroshima JUD bronze: open class | |
| Mun Myeong-Sik | WRE | Olympics | 2000 | 0–0–1 1994 Hiroshima WRE bronze: freestyle light-flyweight -48 kg | |
| Mun Pil-Hui | HBL | Olympics | 2004—2008 | 1–0–1 2006 Doha HBL gold; 2010 Guangzhou HBL bronze | |
| Mun Seong-Gil | BOX | Olympics | 1984 | 2–0–0 1982 New Delhi BOX gold: bantamweight -54 kg; 1986 Seoul BOX gold: bantamweight -54 kg | |
| Mun Seong-Gil | BOX | Olympics | 1984 | 2–0–0 1982 New Delhi BOX gold: bantamweight -54 kg; 1986 Seoul BOX gold: bantamweight -54 kg | |
| Mun Ui-Je | WRE | Olympics | 2000—2004 | 2–0–0 1998 Bangkok WRE gold: freestyle middleweight -76 kg; 2002 Busan WRE gold: freestyle light-heavyweight -84 kg | |
| Mun Yeong-Hui | HOC | Olympics | 2008—2012 | 0–1–0 2010 Guangzhou HOC silver | |
| Mun Yong-Gwan | VVO | Olympics | 1984 | 1–1–1 1978 Bangkok VVO gold; 1982 New Delhi VVO bronze; 1986 Seoul VVO silver | |
| Mun Yu-Ra | WLF | Olympics | 2012 | 0–0–1 2018 Jakarta/Palembang WLF bronze: light-heavyweight -69 kg | |
| Svetlana Munkova | ATH | Olympics | 1996 | 1–0–0 1994 Hiroshima ATH gold: high jump | |
| Abdulrazzaq Murad | HBL | Olympics | 2016 | 2–0–0 2014 Incheon HBL gold; 2018 Jakarta/Palembang HBL gold | |
| Kamol Muradov | JUD | Olympics | 1996—2000 | 0–0–1 1998 Bangkok JUD bronze: middleweight -90 kg | |
| Ai Murakami | HOC | Olympics | 2012 | 0–0–1 2010 Guangzhou HOC bronze | |
| Chikako Murakami | BKB | Olympics | 1996 | 0–1–0 1994 Hiroshima BKB silver | |
| Yoshihiro Murakami | MPN | Olympics | 2008 | 0–0–1 2002 Busan MPN bronze: team | |
| Yukifumi Murakami | ATH | Olympics | 2004—2012 | 1–2–0 2002 Busan ATH silver: javelin throw; 2006 Doha ATH silver: javelin; 2010 Guangzhou ATH gold: javelin throw | |
| Yosuke Muraki-Iwata | WLF | Olympics | 1984—1992 | 0–1–0 1986 Seoul WLF silver: featherweight -60 kg | |
| Koji Murofushi | ATH | Olympics | 2000—2012 | 2–1–0 1994 Hiroshima ATH silver: hammer throw; 1998 Bangkok ATH gold: hammer throw; 2002 Busan ATH gold: hammer throw | |
| Shigenobu Murofushi | ATH | Olympics / Opening Flagbearer | 1972—1984 | 5–1–0 1966 Bangkok ATH silver: hammer throw; 1970 Bangkok ATH gold: hammer throw; 1974 Tehran ATH gold: hammer throw; 1978 Bangkok ATH gold: hammer throw; 1982 New Delhi ATH gold: hammer throw; 1986 Seoul ATH gold: hammer throw | |
| Yuka Murofushi | ATH | Olympics | 2004 | 0–0–1 2010 Guangzhou ATH bronze: hammer throw | |
| Elma Muros | ATH | Olympics | 1984—1996 | 0–0–2 1990 Beijing ATH bronze: 400 m hurdles; 1994 Hiroshima ATH bronze: long jump | |
| Yoshitaka Muroya | ATH | Olympics | 1952—1956 | 4–1–0 1954 Manila ATH gold: 800 m and 4×400 m relay, silver: 1500 m; 1958 Tokyo ATH gold: 800 m and 4×400 m relay | |
| Shurentheran Murugesan | HOC | Olympics | 1984 | 0–0–1 1982 New Delhi HOC bronze | |
| Fahd Al-Musaibeeh | FBL | Olympics | 1984 | 0–1–1 1982 New Delhi FBL bronze; 1986 Seoul FBL silver | |
| Magomed Musayev | WRE | Olympics | 2012—2016 | 0–2–0 2014 Incheon WRE silver: freestyle heavyweight -97 kg; 2018 Jakarta/Palembang WRE silver: freestyle heavyweight -97 kg | |
| Mustafa Nadhim | FBL | Olympics | 2016 | 0–0–1 2014 Incheon FBL bronze | |
| Vladislav Mustafin | SWM | Olympics | 2016 | 0–0–1 2014 Incheon SWM bronze: 4×100 m medley relay | |
| Fatehah Binti Mustapa | CTR | Olympics | 2012—2016 | 0–1–0 2014 Incheon CRD silver: keirin | |
| Mashfi Al-Mutairi | SHO | Olympics | 2000—2004 | 0–2–1 1998 Bangkok SHO silver: double trap team, bronze: double trap; 2010 Guangzhou SHO silver: double trap team (competed under the IOC flag as athlete from Kuwait) | |
| Sayed Al-Mutairi | SHO | Olympics | 1996—2020 | 1–0–0 1994 Hiroshima SHO gold: skeet | |
| Zaid Al-Mutairi | SHO | Olympics | 2008 | 0–2–0 2006 Doha SHO silver: skeet team; 2010 Guangzhou SHO silver: skeet team (competed under the IOC flag as athlete from Kuwait) | |
| Gurunathan Muthuswamy | WLF | Olympics | 1988 | 0–0–1 1986 Seoul WLF bronze: flyweight -52 kg | |
| Keiko Muto | CSP | Olympics | 1992—1996 | 0–1–1 1994 Hiroshima CSP silver: K2 500 m, bronze: K4 500 m | |
| Myeong Bok-Hui | HBL | Olympics | 2004 | 2–0–1 2002 Busan HBL gold; 2006 Doha HBL gold; 2010 Guangzhou HBL bronze | |
| Myitung Naw | ATH | Olympics | 1956—1960 | 0–1–1 1958 Tokyo ATH silver: marathon; 1962 Jakarta ATH bronze: marathon | |
| Myo Win Nyunt | FBL | Olympics | 1972 | 1–0–0 1970 Bangkok FBL gold | |
| Na A-Reum | CRD | Olympics | 2012—2020 | 5–1–1 2014 Incheon CRD gold: individual road time trial, silver: 3000 m pursuit team, bronze: omnium; 2018 Jakarta/Palembang CRD gold: road race, individual road time trial, 3000 m pursuit team, and madison | |
| Na Gyeong-Min | BDM | Olympics | 1996—2004 | 4–2–1 1994 Hiroshima BDM gold: team; 1998 Bangkok BDM gold: mixed doubles, silver: team, bronze: doubles; 2002 Busan BDM gold: doubles and mixed doubles, silver: team | |
| Na Si-Yun | WLF | Olympics | 1948 | 0–1–0 1954 Manila WLF silver: middleweight -75 kg | |
| Na Yubo | HOC | Olympics | 2008 | 0–1–0 2006 Doha HOC silver | |
| Na Yun-Gyeong | SHO | Olympics | 2012 | 1–2–1 2006 Doha SHO silver: 50 m small-bore rifle 3 positions team, bronze: 50 m small-bore rifle 3 positions; 2010 Guangzhou SHO silver: 50 m small-bore rifle 3 positions team; 2014 Incheon SHO gold: 50 m small-bore rifle prone team |