Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Makio Madarame | CTR | Olympics | 1992 | 0–0–1 1994 Hiroshima CRD bronze: 4000 m pursuit team | |
| Nazleen Madraswalla | HOC | Olympics | 1980 | 1–0–0 1982 New Delhi HOC gold | |
| Echiko Maeda | VVO | Olympics | 1976 | 1–0–0 1974 Tehran VVO gold | |
| Miyuki Maeda | BDM | Olympics | 2008—2012 | 0–1–1 2006 Doha BDM silver: team; 2014 Incheon BDM bronze: team | |
| Ryoichi Maeda | FBL | Non-starter | 2004 | 0–1–0 2002 Busan FBL silver | |
| Hideaki Maeguchi | ROW | Olympics | 1984—1988 | 0–1–0 1986 Seoul ROW silver: eights | |
| Charumai Mahawat | SHO | Olympics | 1968 | 0–0–1 1966 Bangkok SHO bronze: 50 m standard rifle 3 positions team | |
| Hasan Mahboob | ATH | Olympics | 2008—2012 | 3–0–1 2006 Doha ATH gold: 10000 m; 2010 Guangzhou ATH gold: 5000 m, bronze: 10000 m; 2014 Incheon ATH gold: marathon | |
| Mehdi Mahdavi | VVO | Olympics | 2016 | 1–1–0 2010 Guangzhou VVO silver; 2014 Incheon VVO gold | |
| Mahdi Kamel | FBL | Olympics | 2016 | 0–0–1 2014 Incheon FBL bronze | |
| Mansour Mahdizadeh | WRE | Olympics | 1960—1968 | 1–0–0 1966 Bangkok WRE gold: freestyle light-heavyweight -97 kg | |
| Murugesan Mahendran | HOC | Olympics | 1972—1976 | 0–0–1 1974 Tehran HOC bronze | |
| Nitya Krishinda Maheswari | BDM | Olympics | 2016 | 1–0–1 2010 Guangzhou BDM bronze: team; 2014 Incheon BDM gold: doubles | |
| Arshad Mahmood | HOC | Olympics | 1976 | 1–0–0 1974 Tehran HOC gold | |
| Ayaz Mahmood | HOC | Olympics | 1984 | 0–1–0 1986 Seoul HOC silver | |
| Irfan Mahmood | HOC | Olympics | 1996 | 0–0–1 1994 Hiroshima HOC bronze | |
| Khalid Mahmood | HOC | Olympics | 1964—1968 | 1–1–0 1966 Bangkok HOC silver; 1970 Bangkok HOC gold | |
| Sultan Mahmoud | BOX | Olympics | 1960—1964 | 0–1–0 1958 Tokyo BOX silver: light-heavyweight -81 kg | |
| Younis Mahmoud | FBL | Olympics | 2004 | 0–1–1 2006 Doha FBL silver; 2014 Incheon FBL bronze | |
| Shahram Mahmoudi | VVO | Olympics | 2016 | 1–0–0 2014 Incheon VVO gold | |
| Mai Shaoyan | HOC | Olympics | 2004 | 1–0–0 2006 Doha HOC gold | |
| Marleve Mainaky | BDM | Olympics | 2000 | 0–1–0 2002 Busan BDM silver: team | |
| Rexy Mainaky | BDM | Olympics / Opening Flagbearer | 1992—2000 | 4–0–1 1990 Beijing BDM bronze: team; 1994 Hiroshima BDM gold: doubles and team; 1998 Bangkok BDM gold: doubles and team | |
| Tavarit Majcharcheep | SHO | Olympics | 2000—2004 | 2–1–1 1998 Bangkok SHO gold: 10 m air rifle team and 50 m small-bore rifle prone team, silver: 50 m small-bore rifle prone, bronze: 50 m small-bore rifle 3 positions team | |
| Varavut Majcharcheep | SHO | Olympics | 2000 | 0–0–1 1998 Bangkok SHO bronze: 50 m small-bore rifle 3 positions team | |
| Abdul Reza Majdpour | WPO | Olympics | 1976 | 1–0–0 1974 Tehran WPO gold | |
| Abdul Majeed | WRE | Olympics | 1984—1988 | 1–0–0 1986 Seoul WRE gold: freestyle light-heavyweight -90 kg | |
| Nur Herman Majid | ATH | Olympics / Non-starter | 1992—1996 | 0–0–1 1994 Hiroshima ATH bronze: 110 m hurdles | |
| Stanley Majid | BOX | Olympics | 1952 | 0–0–1 1958 Tokyo BOX bronze: light-middleweight -71 kg | |
| Falah Al-Majidi | FBL | Olympics | 1992 | 0–0–1 1994 Hiroshima FBL bronze | |
| Andrey Makarov | WLF | Olympics | 1996—2000 | 2–0–0 1994 Hiroshima WLF gold: middle-heavyweight -91 kg; 1998 Bangkok WLF gold: middle-heavyweight -94 kg | |
| Dilshod Makhmudov | BOX | Olympics / Opening Flagbearer | 2004—2008 | 1–0–1 2002 Busan BOX gold: lightweight -60 kg; 2006 Doha BOX bronze: light-welterweight -64 kg | |
| Dilshod Makhmudov | BOX | Olympics / Opening Flagbearer | 2004—2008 | 1–0–1 2002 Busan BOX gold: lightweight -60 kg; 2006 Doha BOX bronze: light-welterweight -64 kg | |
| Nikolay Maksimov | WPO | Olympics | 1996—2012 | 1–0–0 2010 Guangzhou WPO gold (competed for Kazakhstan) | |
| Latifah Al-Maktoum | EJP | Olympics | 2008 | 0–2–1 2006 Doha EJP bronze: jumping team; 2010 Guangzhou EJP silver: jumping individual and jumping team | |
| Sheikh Juma Al-Maktoum | SHO | Olympics | 2012 | 0–1–1 2010 Guangzhou SHO silver: double trap; 2014 Incheon SHO bronze: double trap | |
| Sheikh Saeed Al-Maktoum | SHO | Olympics / Opening Flagbearer | 2000—2016 | 0–1–0 2006 Doha SHO silver: skeet | |
| Hamed Malekmohammadi | JUD | Olympics | 2004—2008 | 0–0–1 2002 Busan JUD bronze: lightweight -73 kg | |
| Manisha Malhotra | TEN | Olympics | 2000 | 0–1–0 2002 Busan TEN silver: mixed doubles | |
| Muhammad Asad Malik | HOC | Olympics | 1964—1972 | 2–1–0 1962 Jakarta HOC gold; 1966 Bangkok HOC silver; 1970 Bangkok HOC gold | |
| Muhammad Shafqat Malik | HOC | Olympics | 1996—2000 | 0–0–1 1994 Hiroshima HOC bronze | |
| Mohamed Al-Malky | ATH | Olympics / Opening Flagbearer | 1984—2000 | 1–0–1 1986 Seoul ATH bronze: 400 m; 1990 Beijing ATH gold: 400 m | |
| Oveyss Mallahi | WRE | Olympics | 1992 | 1–0–1 1990 Beijing WRE gold: freestyle flyweight -52 kg; 1994 Hiroshima WRE bronze: freestyle bantamweight -57 kg | |
| Kamal Aldin Mallash | HBL | Olympics | 2016 | 1–0–0 2014 Incheon HBL gold | |
| Karnam Malleswari | WLF | Olympics | 2000—2004 | 0–2–0 1994 Hiroshima WLF silver: featherweight -54 kg; 1998 Bangkok WLF silver: middleweight -63 kg | |
| Aset Mambetov | WRE | Olympics | 2004—2008 | 0–1–0 2010 Guangzhou WRE silver: Greco-Roman heavyweight -96 kg | |
| Sakina Mamedova | SHO | Olympics | 2012 | 0–0–1 2010 Guangzhou SHO bronze: 10 m air rifle team | |
| Yuka Mamiya | BKB | Olympics | 2016 | 0–0–1 2010 Guangzhou BKB bronze | |
| Maulen Mamyrov | WRE | Olympics | 1996—2000 | 1–0–1 1994 Hiroshima WRE gold: freestyle flyweight -52 kg; 1998 Bangkok WRE bronze: freestyle bantamweight -54 kg | |
| Kazushito Manabe | WLF | Olympics | 1984—1988 | 1–1–0 1982 New Delhi WLF gold: flyweight -52 kg; 1986 Seoul WLF silver: flyweight -52 kg | |
| Keiko Manabe | HOC | Olympics | 2012 | 0–0–1 2010 Guangzhou HOC bronze | |
| Masayoshi Manabe | VVO | Olympics / Coach | 1988—2024 | 0–0–1 1990 Beijing VVO bronze | |
| Ravil Manafov | WPO | Olympics | 2012 | 2–0–1 2006 Doha WPO bronze; 2010 Guangzhou WPO gold; 2018 Jakarta WPO gold | |
| Maruti Mane | WRE | Olympics | 1964 | 1–1–0 1962 Jakarta WRE gold: freestyle light-heavyweight -97 kg, silver: Greco-Roman light-heavyweight -97 kg | |
| Jutatip Maneephan | CRD | Olympics | 2012—2020 | 1–0–0 2014 Incheon CRD gold: road race | |
| Maiya Maneza | WLF | Olympics | 2012 | 1–0–0 2010 Guangzhou WLF gold: middleweight -63 kg | |
| Sailen Manna | FBL | Olympics | 1948—1952 | 1–0–0 1951 New Delhi FBL gold | |
| Yukari Mano | HOC | Olympics | 2016—2020 | 1–0–0 2018 Jakarta/Palembang HOC gold | |
| Isaac Mansoor | SWM/WPO | Olympics | 1948—1952 | 1–0–1 1951 New Delhi SWM bronze: 4×100 m freestyle relay, WPO gold | |
| Talal Mansour | ATH | Olympics | 1984—1992 | 4–0–1 1986 Seoul ATH gold: 100 m; 1990 Beijing ATH gold: 100 m; 1994 Hiroshima ATH gold: 100 m and 200 m, bronze: 4×100 m relay | |
| Jalal Mansouri | WLF | Olympics | 1952—1956 | 1–1–0 1951 New Delhi WLF silver: middleweight -75 kg; 1958 Tokyo WLF gold: light-heavyweight -82.5 kg | |
| Dilshod Mansurov | WRE | Olympics | 2004—2012 | 3–0–0 2002 Busan WRE gold: freestyle featherweight -55 kg; 2006 Doha WRE gold: freestyle featherweight -55 kg; 2010 Guangzhou WRE gold: freestyle featherweight -55 kg | |
| Mkhitar Manukyan | WRE | Olympics | 1996—2004 | 0–1–0 1998 Bangkok WRE silver: Greco-Roman welterweight -69 kg (competed for Kazakhstan) | |
| Mon Manulat | BKB | Olympics | 1956 | 2–0–0 1954 Manila BKB gold; 1958 Tokyo BKB gold | |
| Gyuzel Manyurova | WRE | Olympics | 2004—2016 | 0–1–1 2010 Guangzhou WRE bronze: freestyle heavyweight -72 kg (competed for Kazakhstan); 2014 Incheon WRE silver: freestyle heavyweight -75 kg (competed for Kazakhstan) | |
| Muhammad Manzoor | WLF | Olympics | 1976 | 0–0–1 1978 Bangkok WLF bronze: bantamweight -56 kg | |
| Mao Feilian | SWM | Olympics | 2016 | 1–1–0 2014 Incheon SWM gold: 4×100 m medley relay (swam in heats only), silver: 4×200 m freestyle relay | |
| Mao Xinyuan | ATH | Olympics | 1996 | 1–0–0 1990 Beijing ATH gold: 20 km walk | |
| Adnan Maqsood | HOC | Olympics | 2004—2008 | 0–0–1 2006 Doha HOC bronze | |
| Mar Mar Min | ATH | Olympics | 1988 | 0–0–1 1974 Tehran ATH bronze: 4×400 m relay | |
| Mahdi Marandi | VVO | Olympics | 2016—2020 | 1–0–0 2018 Jakarta/Palembang VVO gold | |
| Ruben Mares | BOX | Olympics | 1976 | 0–1–0 1978 Bangkok BOX silver: lightweight -60 kg | |
| Ruben Mares | BOX | Olympics | 1976 | 0–1–0 1978 Bangkok BOX silver: lightweight -60 kg | |
| Vita Marissa | BDM | Olympics | 2004—2008 | 0–0–1 2002 Busan BDM bronze: mixed doubles | |
| Saeid Marouf | VVO | Olympics | 2016—2020 | 2–1–0 2010 Guangzhou VVO silver; 2014 Incheon VVO gold; 2018 Jakarta/Palembang VVO gold | |
| Alfonso Márquez | BKB | Olympics | 1960—1968 | 1–0–0 1962 Jakarta BKB gold | |
| Leonardo Marquicias | BKB | Olympics | 1956 | 1–0–0 1958 Tokyo BKB gold | |
| Antonio Martínez | BKB | Olympics | 1952 | 1–0–0 1951 New Delhi BKB gold | |
| Kei Marumo | SWA | Olympics | 2016 | 0–3–0 2014 Incheon SWA silver: team and combination; 2018 Jakarta/Palembang SWA silver: team | |
| Satoshi Maruya | SWM | Olympics | 1968 | 2–2–0 1970 Bangkok SWM gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 100 m butterfly and 200 m butterfly | |
| Karina Maruyama | FBL | Olympics | 2004—2012 | 0–1–1 2002 Busan FBL bronze; 2006 Doha FBL silver | |
| Sayuri Maruyama | CSP | Olympics | 1996—2000 | 0–1–1 1994 Hiroshima CSP bronze: K4 500 m; 1998 Bangkok CSP silver: K1 1000 m | |
| Shigemori Maruyama | SWM | Olympics | 1988 | 0–1–1 1986 Seoul SWM silver: 100 m backstroke, bronze: 200 m backstroke | |
| Takashi Maruyama | VVO | Olympics | 1976 | 0–1–0 1978 Bangkok VVO silver | |
| Tomokazu Maruyama | SHO | Olympics | 1956 | 0–0–1 1958 Tokyo SHO bronze: 300 m free rifle 3 positions | |
| Salah Al-Marzouq | HBL | Olympics | 1996 | 0–1–0 2002 Busan HBL silver | |
| Jhila Al-Masi | FEN | Olympics | 1976 | 1–0–0 1974 Tehran FEN gold: foil team | |
| Darya Maslova | ATH | Olympics | 2016—2020 | 1–1–0 2018 Jakarta/Palembang ATH gold: 10000 m, silver: 5000 m | |
| Marina Maslyonko | ATH | Olympics | 2012 | 0–2–1 2006 Doha ATH silver: 4×400 m relay; 2010 Guangzhou ATH silver: 4×400 m relay, bronze: 400 m | |
| Fardin Masoumi | WRE | Olympics | 2008 | 0–1–1 2006 Doha WRE silver: freestyle super-heavyweight -120 kg; 2010 Guangzhou WRE bronze: freestyle super-heavyweight -120 kg | |
| Rafed El-Masri | SWM | Olympics | 2004—2008 | 1–0–0 2006 Doha SWM gold: 50 m freestyle (competed for Syria) | |
| Hicham El-Masry | SWM | Olympics | 1992—1996 | 1–1–1 1994 Hiroshima SWM gold: 1500 m freestyle, silver: 400 m freestyle; 1998 Bangkok SWM bronze: 1500 m freestyle | |
| Mariko Masubuchi | SBL | Olympics | 2000 | 1–0–0 2006 Doha SOF gold | |
| Koji Masuda | BOX | Olympics | 1964 | 1–0–0 1962 Jakarta BOX gold: light-middleweight -71 kg | |
| Takashi Masuda | BKB | Olympics | 1960—1964 | 0–1–0 1962 Jakarta BKB silver | |
| Toshiki Masui | EJP | Olympics | 2016 | 1–1–0 1998 Bangkok EJP gold: jumping team; 2018 Jakarta/Palembang EJP silver: jumping team | |
| Wuttichai Masuk | BOX | Olympics | 2016 | 1–0–2 2010 Guangzhou BOX bronze: light-welterweight -64 kg; 2014 Incheon BOX gold: light-welterweight -64 kg; 2018 Jakarta/Palembang BOX bronze: light-welterweight -64 kg | |
| Wuttichai Masuk | BOX | Olympics | 2016 | 1–0–2 2010 Guangzhou BOX bronze: light-welterweight -64 kg; 2014 Incheon BOX gold: light-welterweight -64 kg; 2018 Jakarta/Palembang BOX bronze: light-welterweight -64 kg | |
| Varvara Masyagina | JUD | Olympics | 2004 | 0–1–0 1998 Bangkok JUD silver: half-heavyweight -78 kg | |
| Gulnoza Matniyazova | JUD | Olympics / YOG | 2010—2024 | 0–0–1 2018 Jakarta/Palembang JUD bronze: middleweight -70 kg | |
| Akihiko Matsuda | VVO | Olympics | 1992 | 1–0–0 1994 Hiroshima VVO gold | |
| Haruko Matsuda | BDM | Olympics | 2000 | 0–0–1 1998 Bangkok BDM bronze: team | |
| Noriko Matsuda | VVO | Olympics | 1976 | 1–0–0 1974 Tehran VVO gold | |
| Takafumi Matsuda | CTR | Olympics | 1972 | 3–0–0 1970 Bangkok CRD gold: 1000 m track time trial, 1600 m track time trial team, and 4000 m pursuit team | |
| Takeshi Matsuda | SWM | Olympics | 2004—2016 | 3–2–4 2002 Busan SWM bronze: 200 m butterfly; 2006 Doha SWM gold: 4×200 m freestyle relay, silver: 200 m butterfly, bronze: 400 m freestyle and 1500 m freestyle; 2010 Guangzhou SWM gold: 200 m butterfly, silver: 4×200 m freestyle relay, bronze: 200 m freestyle; 2014 Incheon SWM gold: 4×200 m freestyle relay | |
| Tomoyuki Matsuda | SHO | Olympics | 2008—2016 | 0–1–3 2010 Guangzhou SHO bronze: 10 m air pistol team, 50 m free pistol, and 50 m free pistol team; 2018 Jakarta/Palembang SHO silver: 10 m air pistol | |
| Yasuko Matsuda | ATH | Olympics | 1960 | 0–1–0 1962 Jakarta ATH silver: shot put | |
| Yasutaka Matsudaira | VVO | Coach | 1964—1972 | 1–0–0 1958 Tokyo VVO gold: nine-a-side | |
| Daisuke Matsui | FBL | Olympics | 2004 | 0–1–0 2002 Busan FBL silver | |
| Emi Matsui | ATH | Olympics | 1984—1988 | 1–1–1 1982 New Delhi ATH gold: javelin throw; 1986 Seoul ATH silver: javelin throw; 1990 Beijing ATH bronze: javelin throw | |
| Hiroyoshi Matsui | ROW | Olympics | 1992 | 0–3–0 1986 Seoul ROW silver: coxed pais; 1990 Beijing ROW silver: eights; 1994 Hiroshima ROW silver: coxless fours | |
| Koji Matsui | HBL | Olympics | 1984 | 0–1–0 1982 New Delhi HBL silver | |
| Ikuo Matsumoto | FBL | Olympics | 1968 | 0–0–1 1966 Bangkok FBL bronze | |
| Kaori Matsumoto | JUD | Olympics | 2012—2016 | 1–0–0 2010 Guangzhou JUD gold: lightweight -57 kg | |
| Naomi Matsumoto | SBL | Olympics | 1996—2000 | 0–2–0 1990 Beijing SOF silver; 1998 Bangkok SOF silver | |
| Norihiko Matsumoto | HOC | Olympics / Non-starter | 1964—1968 | 0–0–1 1966 Bangkok HOC bronze | |
| Ryutaro Matsumoto | WRE | Olympics | 2012 | 0–1–1 2010 Guangzhou WRE bronze: Greco-Roman lightweight -60 kg; 2014 Incheon WRE silver: Greco-Roman lightweight -66 kg | |
| Shingo Matsumoto | WRE | Olympics | 2004—2008 | 1–0–1 2002 Busan WRE gold: Greco-Roman light-heavyweight -84 kg; 2006 Doha WRE bronze: Greco-Roman light-heavyweight -84 kg | |
| Yayoi Matsumoto | SWM | Olympics | 2012—2016 | 0–4–1 2010 Guangzhou SWM silver: 4×100 m freestyle relay and 4×200 m freestyle relay, bronze: 50 m freestyle; 2014 Incheon SWM silver: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Ayako Matsumura | SWA | Olympics | 2008 | 0–1–0 2006 Doha SWA silver: team | |
| Suzuko Matsumura | SWM | Olympics | 1972 | 2–0–0 1974 Tehran SWM gold: 100 m backstroke and 4×100 m medley relay | |
| Masayuki Matsunaga | GAR | Olympics | 1992 | 0–1–2 1990 Beijing GAR silver: team, bronze: rings; 1994 Hiroshima GAR bronze: team | |
| Nobuhiko Matsunaka | BBL | Olympics | 1996—2000 | 1–0–0 1994 Hiroshima BSB gold | |
| Nobuhiko Matsunaka | BBL | Olympics | 1996—2000 | 1–0–0 1994 Hiroshima BSB gold | |
| Akemi Matsuno | ATH | Olympics | 1988 | 0–0–1 1990 Beijing ATH bronze: 10000 m | |
| Kaoru Matsuo | SHO | Olympics | 1976—1988 | 0–4–4 1974 Tehran SHO bronze: 50 m small-bore rifle prone team and 50 m small-bore rifle 3 positions team; 1982 New Delhi SHO silver: 10 m air rifle team, 50 m small-bore rifle prone team, and 50 m standard rifle 3 positions, bronze: 50 m standard rifle 3 positions team; 1986 Seoul SHO silver: 50 m standard rifle 3 positions, bronze: 10 m air rifle team | |
| Tomomi Matsuo | BDM | Olympics | 1992—1996 | 0–0–3 1990 Beijing BDM bronze: team; 1994 Hiroshima BDM bronze: doubles and team | |
| Jitsuka Matsuoka | SHO | Olympics | 1976 | 2–1–0 1974 Tehran SHO gold: trap and trap team, silver: skeet team | |
| Momotaro Matsushita | CSP | Olympics | 2012—2020 | 3–0–0 2010 Guangzhou CSP gold: K1 200 m and K2 200 m; 2014 Incheon CSP gold: K2 1000 m | |
| Takayoshi Matsushita | ARC | Olympics | 1984—2000 | 2–5–1 1982 New Delhi ARC bronze: individual; 1986 Seoul ARC gold: individual and 90 m double, silver: 50 m double and team; 1990 Beijing ARC silver: individual and team; 1994 Hiroshima ARC silver: team | |
| Yukihiro Matsushita | SWM | Olympics | 1996 | 4–0–0 1994 Hiroshima SWM gold: 100 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay | |
| Misaki Matsutomo | BDM | Olympics / YOG | 2010—2016 | 1–2–1 2014 Incheon BDM silver: doubles, bronze: team; 2018 Jakarta/Palembang BDM gold: team silver: doubles | |
| Inna Matveyeva | VVO | Olympics | 2008 | 0–0–1 2010 Guangzhou VVO bronze | |
| Sergey Matviyenko | WRE | Olympics | 1996—2000 | 1–0–0 1998 Bangkok WRE gold: Greco-Roman heavyweight -97 kg | |
| Maung Maung Tin | FBL | Olympics | 1972 | 1–0–0 1970 Bangkok FBL gold | |
| Ali Mazaheri | BOX | Olympics / Opening Flagbearer | 2008—2012 | 1–1–1 2006 Doha BOX gold: heavyweight -91 kg; 2010 Guangzhou BOX bronze: heavyweight -91 kg; 2014 Incheon BOX silver: heavyweight -91 kg | |
| Ali Mazaheri | BOX | Olympics / Opening Flagbearer | 2008—2012 | 1–1–1 2006 Doha BOX gold: heavyweight -91 kg; 2010 Guangzhou BOX bronze: heavyweight -91 kg; 2014 Incheon BOX silver: heavyweight -91 kg | |
| Gholam Mazloomi | FBL | Olympics | 1976 | 1–0–0 1974 Tehran FBL gold | |
| José Medina | SHO | Olympics | 1984 | 0–0–1 1982 New Delhi SHO bronze: 50 m small-bore rifle prone | |
| Raj Kumar Mehra | CRD/CTR | Olympics | 1948—1952 | 0–1–0 1951 New Delhi CRD silver: 4000 m pursuit team | |
| Ibrahim Mehraban | WRE | Olympics | 1996 | 1–0–0 1994 Hiroshima WRE gold: freestyle super-heavyweight -130 kg | |
| Mei Xiaohan | WPO | Olympics | 2016—2020 | 1–0–0 2018 Jakarta/Palembang WPO gold | |
| Avraham Melamed | SWM | Olympics | 1964—1968 | 0–2–0 1966 Bangkok SWM silver: 100 m butterfly and 4×100 m medley relay | |
| Yury Melnichenko | WRE | Olympics | 1996—2000 | 1–0–0 1994 Hiroshima WRE gold: Greco-Roman bantamweight -57 kg | |
| Roman Melyoshin | WRE | Olympics | 2008 | 1–0–0 2006 Doha WRE gold: Greco-Roman middleweight -74 kg | |
| Eldar Memišević | HBL | Olympics | 2016 | 1–0–0 2014 Incheon HBL gold | |
| Mendbayaryn Jantsankhorloo | SHO | Olympics | 1968—1980 | 1–0–0 1982 New Delhi SHO gold: 50 m small-bore rifle prone team | |
| Nurlan Mendygaliyev | WPO | Olympics | 1988 | 1–0–0 1994 Hiroshima WPO gold (competed for Kazakhstan) | |
| Meng Fanlong | BOX | Olympics | 2012 | 0–0–1 2010 Guangzhou BOX bronze: light-heavyweight -81 kg | |
| Meng Fanlong | BOX | Olympics | 2012 | 0–0–1 2010 Guangzhou BOX bronze: light-heavyweight -81 kg | |
| Meng Gang | SHO | Olympics | 1988—1996 | 3–2–2 1990 Beijing SHO silver: 25 m rapid-fire pistol team, bronze: 25 m rapid-fire pistol; 1994 Hiroshima SHO gold: 25 m rapid-fire pistol team and 25 m standard pistol team, silver: 25 m rapid-fire pistol, bronze: 25 m standard pistol; 1998 Bangkok SHO gold: 25 m rapid-fire pistol team | |
| Meng Guanliang | CSP | Olympics | 2004—2008 | 3–0–1 1998 Bangkok CSP gold: C1 1000 m, bronze: C2 500 m; 2002 Busan CSP gold: C1 500 m and C1 1000 m | |
| Meng Jie | FEN | Olympics | 2000—2004 | 0–1–0 2002 Busan FEN silver: foil team | |
| Meng Jun | HOC | Olympics | 2008 | 0–1–0 2006 Doha HOC silver | |
| Meng Kebate'er | BKB | Olympics | 1996—2004 | 1–1–0 1998 Bangkok BKB gold; 2002 Busan BKB silver | |
| Meng Qiang | WRE | Olympics | 2016 | 0–0–1 2014 Incheon WRE bronze: Greco-Roman super-heavyweight -130 kg | |
| Meng Qianghua | TEN | Olympics | 1992 | 2–0–0 1990 Beijing TEN gold: doubles and team | |
| Meng Suping | WLF | Olympics | 2016 | 0–1–0 2010 Guangzhou WLF silver: super-heavyweight +75 kg | |
| Meng Xuguang | HOC | Olympics | 2008 | 0–1–0 2006 Doha HOC silver | |
| Meng Yan | ATH | Olympics | 2008 | 0–1–0 2006 Doha ATH silver: 400 m hurdles | |
| Vadim Menkov | CSP | Olympics | 2008—2012 | 4–0–1 2006 Doha CSP gold: C1 1000 m, bronze: C1 500 m; 2010 Guangzhou CSP gold: C1 1000 m; 2014 Incheon CSP gold: C1 1000 m; 2018 Jakarta/Palembang CSP gold: C1 1000 m | |
| Naser Al-Meqlad | SHO | Olympics | 2004—2008 | 4–0–0 2006 Doha SHO gold: trap and trap team; 2010 Guangzhou SHO gold: trap and trap team (competed under the IOC flag as athlete from Kuwait) | |
| Akihiro Mera | SHO | Olympics | 1988—1992 | 1–1–2 1990 Beijing SHO gold: 10 m air rifle team, bronze: 50 m small-bore rifle prone team and 50 m small-bore rifle 3 positions team; 1994 Hiroshima SHO silver: 50 m small-bore rifle prone team | |
| Sahu Mewalal | FBL | Olympics / Non-starter | 1948—1952 | 1–0–0 1951 New Delhi FBL gold | |
| Mia Audina | BDM | Olympics | 1996—2004 | 0–0–1 1998 Bangkok BDM bronze: team (competed for Indonesia) | |
| Miao Bo | BKB | Olympics | 1996 | 1–1–0 1998 Bangkok BKB silver; 2002 Busan BKB gold | |
| Miao Lijie | BKB | Olympics | 2004—2012 | 3–1–0 1998 Bangkok BKB silver; 2002 Busan BKB gold; 2006 Doha BKB gold; 2010 Guangzhou BKB gold | |
| Miao Yihua | MPN | Olympics | 2012 | 2–0–0 2010 Guangzhou MPN gold: individual and team | |
| Tomoya Miguchi | MPN | Olympics | 2016 | 0–1–1 2010 Guangzhou MPN bronze: team; 2014 Incheon MPN silver: team | |
| Kikuko Mikawa | BKB | Olympics | 1996 | 0–1–0 1994 Hiroshima BKB silver | |
| Sergey Mikhaylov | BOX | Olympics | 2000 | 2–0–0 1998 Bangkok BOX gold: light-heavyweight -81 kg; 2002 Busan BOX gold: heavyweight -91 kg | |
| Sergey Mikhaylov | BOX | Olympics | 2000 | 2–0–0 1998 Bangkok BOX gold: light-heavyweight -81 kg; 2002 Busan BOX gold: heavyweight -91 kg | |
| Elina Mikhina | ATH | Olympics / YOG | 2010—2016 | 0–0–3 2018 Jakarta/Palembang ATH bronze: 400 m, 4×100 m relay, and 4×400 m mixed relay | |
| Jiro Miki | SWM | Olympics | 2000—2004 | 0–2–0 2002 Busan SWM silver: 200 m medley and 4×100 m freestyle relay (swam in heats only) | |
| Takashi Miki | ATH | Olympics | 1964 | 1–0–0 1962 Jakarta ATH gold: javelin throw | |
| Min A-Yeong | GAR | Olympics | 1992 | 0–0–1 1990 Beijing GAR bronze: team | |
| Min Byeong-Dae | FBL | Olympics / Coach | 1948—1964 | 0–1–0 1954 Manila FBL silver | |
| Min Chunfeng | ATH | Olympics | 1992 | 1–0–0 1994 Hiroshima ATH gold: discus throw | |
| Min Gyeong-Gap | WRE | Olympics | 1992 | 1–0–0 1994 Hiroshima WRE gold: Greco-Roman flyweight -52 kg | |
| Min Yeong-Sam | SHO | Olympics | 1988 | 0–2–1 1986 Seoul SHO silver: 10 m air pistol and 10 m air pistol team, bronze: 50 m free pistol team | |
| Katsuyuki Minami | VVO | Olympics | 1992 | 1–0–1 1990 Beijing VVO bronze; 1994 Hiroshima VVO gold | |
| Masayuki Minami | VVO | Olympics | 1964—1972 | 3–0–0 1962 Jakarta VVO gold: six-a-side and nine-a-side; 1966 Bangkok VVO gold | |
| Sumika Minamoto | SWM | Olympics | 1996—2000 | 2–3–2 1994 Hiroshima SWM gold: 4×100 m freestyle relay, silver: 50 m freestyle, bronze: 100 m freestyle; 1998 Bangkok SWM gold: 4×100 m medley relay, silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 50 m freestyle | |
| Yoko Minamoto | SHO | Olympics | 1988—1996 | 2–2–3 1990 Beijing SHO gold: 50 m small-bore rifle 3 positions, silver: 50 m small-bore rifle 3 positions team, bronze: 10 m air rifle team; 1994 Hiroshima SHO bronze: 50 m small-bore rifle prone team and 50 m small-bore rifle 3 positions team; 1998 Bangkok SHO gold: 50 m small-bore rifle prone team, silver: 50 m small-bore rifle prone | |
| Yukiyo Mine | SBL | Olympics | 2008—2020 | 2–0–0 2010 Guangzhou SOF gold; 2014 Incheon SOF gold | |
| Naoto Minegishi | WPO | Olympics | 1972 | 1–0–0 1970 Bangkok WPO gold | |
| Kazuyasu Minobe | FEN | Olympics | 2016—2024 | 1–1–1 2010 Guangzhou FEN bronze: épée team; 2014 Incheon FEN silver: épée team; 2018 Jakarta/Palembang FEN gold: épée team | |
| Lilima Minz | HOC | Olympics | 2016 | 0–1–1 2014 Incheon HOC bronze; 2018 Jakarta/Palembang HOC silver | |
| Sayed Miran Fashandi | JUD | Olympics | 2000—2004 | 0–4–1 1994 Hiroshima JUD silver: heavyweight +95 kg; 1998 Bangkok JUD silver: heavyweight +100 kg; 2002 Busan JUD silver: heavyweight +100 kg, bronze: open class; 2006 Doha JUD silver: open class | |
| Horacio Miranda | SHO | Olympics | 1960—1968 | 0–1–1 1966 Bangkok SHO silver: 30 m rapid-fire pistol team, bronze: 25 m centre fire pistol team | |
| Paterno Miranda | SHO | Olympics | 1964—1968 | 0–1–1 1966 Bangkok SHO silver: 30 m rapid-fire pistol team, bronze: 30 m rapid-fire pistol | |
| Serik Mirbekov | CSP | Olympics | 2016 | 1–1–2 2006 Doha CSP silver: C2 1000 m; 2010 Guangzhou CSP gold: C2 1000 m; 2014 Incheon CSP bronze: C2 1000 m; 2018 Jakarta/Palembang CSP bronze: C2 1000 m | |
| Arash Miresmaeili | JUD | Olympics / Non-starter / Opening Flagbearer | 2000—2008 | 0–1–1 1998 Bangkok JUD bronze: half-lightweight -66 kg; 2006 Doha JUD silver: half-lightweight -66 kg | |
| Moshin Mirza Khan | ATH | Olympics | 1952 | 1–0–0 1954 Manila ATH gold: 400 m hurdles | |
| Sania Mirza | TEN | Olympics | 2008—2020 | 2–3–3 2002 Busan TEN bronze: mixed doubles; 2006 Doha TEN gold: mixed doubles, silver: singles and team; 2010 Guangzhou TEN silver: mixed doubles, bronze: singles; 2014 Incheon TEN gold: mixed doubles, bronze: doubles | |
| Ali Mirzai | WLF | Olympics | 1952 | 0–1–0 1951 New Delhi WLF silver: bantamweight -56 kg | |
| Mojtaba Mirzajanpour | VVO | Olympics | 2016 | 1–0–0 2014 Incheon VVO gold | |
| Masumi Mishina | SBL | Olympics | 2004—2008 | 2–0–0 2002 Busan SOF gold; 2006 Doha SOF gold | |
| Rachita Mistry | ATH | Olympics | 2000 | 0–0–1 1998 Bangkok ATH bronze: 100 m | |
| Maki Mita | SWM | Olympics | 2000—2008 | 0–6–1 2002 Busan SWM silver: 200 m butterfly, 4×100 m freestyle relay, and 4×200 m freestyle relay; 2006 Doha SWM silver: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, bronze: 200 m freestyle |