Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Anoushirvan Nourian | AUS IRI |
BOX | Olympics / Non-starter | 1992—2004 | 0–0–1 1994 Hiroshima BOX bronze: welterweight -67 kg (competed for Iran) |
| Anoushirvan Nourian | AUS IRI |
BOX | Olympics / Non-starter | 1992—2004 | 0–0–1 1994 Hiroshima BOX bronze: welterweight -67 kg (competed for Iran) |
| Mubarak Sultan Al-Nubi Faraj | QAT |
ATH | Olympics | 1996—2000 | 0–1–0 2002 Busan ATH silver: 400 m hurdles |
| Abdul Rahman Al-Nubi | QAT |
ATH | Olympics | 2000—2004 | 0–0–1 1998 Bangkok ATH bronze: long jump |
| Kevin Nunis | MAS |
HOC | Olympics | 1984 | 0–0–1 1982 New Delhi HOC bronze |
| Kelbet Nurgazina | KAZ |
JUD | Olympics | 2008 | 0–0–1 2006 Doha JUD bronze: extra-lightweight -48 kg |
| Kaysar Nurmaganbetov | KAZ |
CSP | Olympics | 1996—2008 | 2–2–1 1998 Bangkok CSP gold: C1 500 m, silver: C1 1000 m; 2002 Busan CSP silver: C1 1000 m, bronze: C1 500 m; 2006 Doha CSP gold: C2 500 m |
| Guvanch Nurmuhammedov | TKM |
JUD | Olympics / Opening Flagbearer | 2008 | 0–1–0 2002 Busan JUD silver: half-lightweight -66 kg |
| Ruslan Nurudinov | UZB |
WLF | Olympics | 2012—2016 | 1–0–0 2018 Jakarta/Palembang WLF gold: heavyweight -105 kg |
| Bakhtiyer Nurullayev | UZB |
WLF | Olympics | 1996—2000 | 0–0–2 1998 Bangkok WLF bronze: light-heavyweight -85 kg; 2002 Busan WLF bronze: light-heavyweight -85 kg |
| Nyamaagiin Altankhuyag | MGL |
BOX | Olympics | 1988—1992 | 0–0–1 1990 Beijing BOX bronze: light-welterweight -63.5 kg |
| Nyamaagiin Altankhuyag | MGL |
BOX | Olympics | 1988—1992 | 0–0–1 1990 Beijing BOX bronze: light-welterweight -63.5 kg |
| Vyacheslav Nyu | KAZ |
WLF | Olympics | 2000 | 1–0–0 1994 Hiroshima WLF gold: light-heavyweight -83 kg |
| O Gwang-Sun | PRK |
ARC | Olympics | 1980 | 1–1–0 1982 New Delhi ARC gold: individual, silver: team |
| Hitomi Obara | JPN |
WRE | Olympics | 2012 | 0–0–1 2010 Guangzhou WRE bronze: freestyle flyweight -48 kg (competed as Hitomi Sakamoto) |
| Saori Obata | JPN |
TEN | Olympics | 2004 | 0–1–1 2002 Busan TEN silver: team, bronze: doubles |
| Satsuki Obata | JPN |
GAR | Olympics | 1996 | 0–1–0 1994 Hiroshima GAR silver: team |
| Motoko Obayashi | JPN |
VVO | Olympics | 1988—1996 | 0–0–2 1990 Beijing VVO bronze; 1994 Hiroshima VVO bronze |
| Yumi Obe | JPN |
FBL | Olympics / Non-starter | 1996—2004 | 0–0–2 1998 Bangkok FBL bronze; 2002 Busan FBL bronze |
| Seiko Obonai | JPN |
ATH | Olympics | 1964 | 2–2–0 1958 Tokyo ATH gold: shot put, silver: discus throw; 1962 Jakarta ATH gold: shot put, silver: discus throw |
| Félix Ocampo | PHI |
BOX | Olympics | 1964 | 0–0–1 1966 Bangkok BOX bronze: light-middleweight -71 kg |
| Félix Ocampo | PHI |
BOX | Olympics | 1964 | 0–0–1 1966 Bangkok BOX bronze: light-middleweight -71 kg |
| Ochirbatyn Burmaa | MGL |
WRE | Olympics | 2004—2020 | 0–0–2 2006 Doha WRE bronze: freestyle heavyweight -72 kg; 2014 Incheon WRE bronze: freestyle heavyweight -75 kg |
| Ochirbatyn Nasanburmaa | MGL |
WRE | Olympics | 2016 | 0–1–0 2010 Guangzhou WRE silver: freestyle middleweight -63 kg |
| Ochirdolgoryn Enkhtaivan | MGL |
WRE | Olympics | 1972 | 0–0–1 1974 Tehran WRE bronze: freestyle light-flyweight -48 kg |
| Katsumi Oda | JPN |
VVO | Olympics | 1976 | 1–1–0 1974 Tehran VVO gold: 1978 Bangkok VVO silver |
| Yukio Odagiri | JPN |
BOX | Olympics | 1976 | 0–0–1 1978 Bangkok BOX bronze: lightweight -60 kg |
| Yukio Odagiri | JPN |
BOX | Olympics | 1976 | 0–0–1 1978 Bangkok BOX bronze: lightweight -60 kg |
| Emiko Odaka | JPN |
VVO | Olympics | 1984 | 0–1–0 1982 New Delhi VVO silver |
| Edidiong Odiong | BRN |
ATH | Olympics | 2016 | 3–1–0 2018 Jakarta/Palembang ATH gold: 100 m, 200 m, and 4×100 m relay, silver: 4×400 m relay |
| Yuko Oga | JPN |
BKB | Olympics | 2004 | 0–0–2 2006 Doha BKB bronze; 2010 Guangzhou BKB bronze |
| Akari Ogata | JPN |
JUD | Olympics | 2012 | 0–1–0 2010 Guangzhou JUD silver: half-heavyweight -78 kg |
| Shigeo Ogata | JPN |
SWM | Olympics | 1984—1992 | 1–4–0 1986 Seoul SWM gold: 4×200 m freestyle relay, silver: 200 m freestyle, 400 m freestyle, 1500 m freestyle, and 4×100 m freestyle relay |
| Naoya Ogawa | JPN |
JUD | Olympics | 1992—1996 | 0–0–1 1990 Beijing JUD bronze: heavyweight +95 kg |
| Satoshi Ogawa | JPN |
FEN | Olympics | 2008 | 0–0–1 2010 Guangzhou FEN bronze: sabre team |
| Aritatsu Ogi | JPN |
FBL | Olympics | 1964—1968 | 0–0–1 1966 Bangkok FBL bronze |
| Masaji Ogino | JPN |
VVO | Olympics | 1992—2008 | 0–0–1 1990 Beijing VVO bronze |
| Chiharu Ogiwara | JPN |
BOX | Olympics | 1984 | 0–1–0 1986 Seoul BOX silver: light-middleweight -71 kg |
| Chiharu Ogiwara | JPN |
BOX | Olympics | 1984 | 0–1–0 1986 Seoul BOX silver: light-middleweight -71 kg |
| Oleg Ogorodov | UZB |
TEN | Olympics | 1996 | 0–0–4 1998 Bangkok TEN bronze: team; 2002 Busan TEN bronze: singles, mixed doubles, and team |
| Femi Ogunode | QAT |
ATH | Olympics | 2016—2020 | 4–0–0 2010 Guangzhou ATH gold: 200 m and 400 m; 2014 Incheon ATH gold: 100 m and 200 m |
| Kumiko Ogura | JPN |
BDM | Olympics | 2008 | 0–1–1 2006 Doha BDM silver: team, bronze: doubles |
| Shinji Ogura | JPN |
ATH | Olympics | 1968 | 1–0–0 1970 Bangkok ATH gold: long jump |
| Keiji Ogushi | JPN |
ATH | Olympics | 1956—1964 | 2–1–1 1958 Tokyo ATH gold: 4×400 m relay, silver: 400 m hurdles; 1962 Jakarta ATH gold: 400 m hurdles, bronze: 4×400 m relay |
| Christopher Oh | SGP |
WPO | Olympics | 1956 | 1–0–0 1954 Manila WPO gold |
| Oh Dae-Geun | KOR |
HOC | Olympics | 2012 | 0–0–1 2014 Incheon HOC bronze |
| Oh Eun-Seok | KOR |
FEN | Olympics | 2004—2012 | 1–3–1 2006 Doha FEN silver: sabre and sabre team; 2010 Guangzhou FEN silver: sabre team, bronze: sabre; 2014 Incheon FEN gold: sabre team |
| Oh Go-Un | KOR |
HOC | Olympics | 2000—2004 | 0–1–0 2002 Busan HOC silver |
| Oh Gwang-Su | KOR |
BOX | Olympics | 1988 | 1–0–0 1986 Seoul BOX gold: light-flyweight -48 kg |
| Oh Gwang-Su | KOR |
BOX | Olympics | 1988 | 1–0–0 1986 Seoul BOX gold: light-flyweight -48 kg |
| Oh Gyo-Mun | KOR |
ARC | Olympics | 1996—2000 | 2–0–0 1994 Hiroshima ARC gold: team; 1998 Bangkok ARC gold: team |
| Oh Ha-Na | KOR |
FEN | Olympics | 2012 | 2–0–0 2010 Guangzhou FEN gold: foil team; 2014 Incheon FEN gold: foil team |
| Oh Jae-Seok | KOR |
FBL | Olympics | 2012 | 0–0–1 2010 Guangzhou FBL bronze |
| Oh Jin-Hyeok | KOR |
ARC | Olympics | 2012—2020 | 2–1–1 2010 Guangzhou ARC gold: team; 2014 Incheon ARC gold: individual, bronze: team; 2018 Jakarta/Palembang ARC silver: team |
| Oh Seong-Ok | KOR |
HBL | Olympics | 1992—2008 | 2–0–0 1990 Beijing HBL gold; 1994 Hiroshima HBL gold |
| Oh Seong-Sik | KOR |
BKB | Olympics | 1996 | 0–1–0 1994 Hiroshima BKB silver |
| Oh Seung-Hwan | KOR |
BBL | Olympics | 2008—2020 | 0–0–1 2006 Doha BSB bronze |
| Oh Seung-Sin | KOR |
HOC | Olympics | 1996—2000 | 2–0–0 1994 Hiroshima HOC gold; 1998 Bangkok HOC gold |
| Oh Seung-Sun | KOR |
FEN | Olympics | 1984 | 0–1–0 1986 Seoul FEN silver: foil team |
| Oh Yeong-Ran | KOR |
HBL | Olympics | 1996—2016 | 2–0–0 1994 Hiroshima HBL gold; 1998 Bangkok HBL gold |
| Oh Yun-Seok | KOR |
HBL | Olympics | 2004 | 1–1–0 2010 Guangzhou HBL gold; 2014 Incheon HBL silver |
| Masanobu Ohata | JPN |
SHO | Olympics | 1976 | 0–2–0 1974 Tehran SHO silver: 50 m free pistol and 50 m free pistol |
| Takahiro Ohata | JPN |
HBL | Olympics | 1984 | 0–1–1 1982 New Delhi HBL silver; 1986 Seoul HBL bronze |
| Mitsuhiro Ohira | JPN |
WRE | Olympics | 1956 | 0–0–1 1958 Tokyo WRE bronze: freestyle heavyweight +87 kg |
| Asumi Ohmura | JPN |
CSP | Olympics | 2012 | 0–1–2 2010 Guangzhou CSP silver: K2 500 m, bronze: K4 500 m; 2014 Incheon CSP bronze: K2 500 m |
| Shinobu Ohno | JPN |
FBL | Olympics | 2008—2012 | 1–1–0 2006 Doha FBL silver; 2010 Guangzhou FBL gold |
| Satokazu Ohtsuka | JPN |
HOC | Non-starter | 1968 | 0–0–2 1966 Bangkok HOC bronze; 1970 Bangkok HOC bronze |
| Masashi Ohuchi | JPN |
WLF | Olympics | 1964—1968 | 2–0–0 1966 Bangkok WLF gold: middleweight -75 kg; 1970 Bangkok WLF gold: light-heavyweight -82.5 kg |
| Yoshiaki Oiwa | JPN |
EVE | Olympics | 2008—2024 | 4–1–1 2006 Doha EJP gold: Three-Day Event individual, silver: Three-Day Event team; 2010 Guangzhou EJP gold: Three-Day Event team, bronze: Three-Day Event individual; 2018 Jakarta/Palembang EJP gold: Three-Day Event individual and Three-Day Event team |
| Hossein Ojaghi | IRI |
WSU | Non-Medal | 2008 | 1–1–0 1998 Bangkok WUS silver: Sanshou -70 kg; 2002 Busan WUS gold: Sanshou -70 kg |
| Ok Gyeong-Suk | KOR |
JUD | Non-Medal | 1988 | 0–0–1 1990 Beijing JUD bronze: extra-lightweight -48 kg |
| Tomoko Oka | JPN |
FEN | Olympics | 1984—1988 | 0–0–1 1986 Seoul FEN bronze: foil team |
| Tsutomu Okabori | JPN |
CTR | Olympics | 1976 | 1–0–0 1978 Bangkok CRD gold: road time trial team |
| Hirotaka Okada | JPN |
JUD | Olympics | 1988—1992 | 1–0–0 1990 Beijing JUD gold: middleweight -86 kg |
| Kumiko Okada | JPN |
ATH | Olympics | 2016—2024 | 0–0–1 2018 Jakarta/Palembang ATH bronze: 20 km walk |
| Mariko Okamoto | JPN |
VVO | Olympics | 1972—1976 | 1–0–0 1974 Tehran VVO gold |
| Noboru Okamoto | JPN |
ATH | Olympics | 1960—1964 | 1–0–0 1962 Jakarta ATH gold: hammer throw |
| Ikuko Okamura | JPN |
HOC | Olympics | 2008 | 0–1–0 2006 Doha HOC silver |
| Teruichi Okamura | JPN |
GAR | Olympics | 1972 | 0–1–1 1978 Bangkok GAR silver: team, bronze: rings |
| Eitaro Okano | JPN |
ATH | Olympics | 1952 | 2–1–0 1951 New Delhi ATH gold: 400 m and 400 m hurdles, silver: 4×400 m relay |
| Tomoyuki Okano | JPN |
ROW | Olympics | 1988 | 0–0–1 1986 Seoul ROW bronze: coxed fours |
| Keigo Okawa | JPN |
WPO | Olympics | 2016—2024 | 0–2–0 2014 Incheon WPO silver; 2018 Jakarta WPO silver |
| Masumi Okawa | JPN |
GAR | Olympics | 1996 | 0–1–0 1994 Hiroshima GAR silver: team |
| Naoto Okazaki | JPN |
FEN | Olympics | 2000 | 0–1–1 1998 Bangkok FEN silver: foil team; 2002 Busan FEN bronze: foil team |
| Takayuki Okazaki | JPN |
ATH | Olympics | 1960—1964 | 1–2–0 1962 Jakarta ATH gold: long jump, silver: 4×100 m relay; 1966 Bangkok ATH silver: long jump |
| Akemi Okazato | JPN |
BKB | Olympics | 1996 | 1–1–0 1994 Hiroshima BKB silver; 1998 Bangkok BKB gold |
| Seiji Oko | JPN |
VVO | Olympics / Coach | 1968—1992 | 1–0–0 1970 Bangkok VVO gold |
| Hideaki Okubo | JPN |
BBL | Olympics | 1996 | 1–0–0 1994 Hiroshima BSB gold |
| Hideaki Okubo | JPN |
BBL | Olympics | 1996 | 1–0–0 1994 Hiroshima BSB gold |
| Yoshito Okubo | JPN |
FBL | Olympics | 2004 | 0–1–0 2002 Busan FBL silver |
| Shinji Okuda | JPN |
HBL | Olympics | 1988 | 0–0–1 1986 Seoul HBL bronze |
| Nozomi Okuhara | JPN |
BDM | Olympics | 2016—2020 | 1–0–0 2018 Jakarta/Palembang BDM gold: team |
| Yoshihiro Okumura | JPN |
SWM | Olympics | 2004—2008 | 2–4–0 2002 Busan SWM gold: 4×200 m freestyle relay and 4×100 m medley relay, silver: 200 m freestyle and 4×100 m freestyle relay; 2010 Guangzhou SWM silver: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay (swam in heats only) |
| Fumiko Okuno | JPN |
SWA | Olympics | 1992 | 2–0–0 1994 Hiroshima SWA gold: solo and duet |
| Hiroaki Okuno | JPN |
VVO | Olympics | 1984 | 1–0–0 1982 New Delhi VVO gold |
| Keisuke Okuno | JPN |
SWM | Olympics | 1984 | 1–2–0 1982 New Delhi SWM silver: 1500 m freestyle; 1986 Seoul SWM gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay |
| Ryuzo Okuno | JPN |
EJP | Olympics | 1988—1992 | 2–1–1 1986 Seoul EJP gold: jumping team, bronze: jumping individual; 1994 Hiroshima EJP gold: jumping team, silver: jumping individual |
| Zenji Okuzawa | JPN |
ATH | Olympics | 1964 | 0–0–1 1962 Jakarta ATH bronze: 3000 m steeplechase |
| Om Jong-Guk | PRK |
WLF | Olympics | 1976 | 0–1–0 1974 Tehran WLF featherweight -60 kg silver: clean & jerk |
| Om Jong-Ran | PRK |
FBL | Olympics | 2008 | 1–0–0 2006 Doha FBL gold |
| Om Yun-Chol | PRK |
WLF | Olympics | 2012—2016 | 2–0–0 2014 Incheon WLF gold: bantamweight -56 kg; 2018 Jakarta/Palembang WLF gold: bantamweight -56 kg |
| Kano Omata | JPN |
SWA | Olympics | 2016 | 0–1–0 2018 Jakarta/Palembang DIV silver: team |
| Masashi Omiya | JPN |
CRD | Olympics | 1960—1964 | 0–1–0 1962 Jakarta CRD silver: road race |
| Shigenori Omori | JPN |
ATH | Olympics | 1984 | 1–1–0 1982 New Delhi ATH gold: 4×400 m relay, silver: 400 m hurdles |
| Naser Al-Omran | KUW |
FBL | Olympics | 2000 | 0–1–0 1998 Bangkok FBL silver |
| Somporn On-Chim | THA |
SHO | Olympics | 1976 | 0–0–2 1974 Tehran SHO bronze: 50 m standard rifle 3 positions and 50 m standard rifle 3 positions team |
| Ally Ong | MAS |
SHO | Olympics | 1976 | 0–0–1 1974 Tehran SHO bronze: skeet team |
| Ong Ewe Hock | MAS |
BDM | Olympics | 1996—2000 | 0–0–2 1994 Hiroshima BDM bronze: team; 2002 Busan BDM bronze: team |
| Jeffrey Ong | MAS |
SWM | Olympics | 1988—1992 | 0–1–0 1990 Beijing SWM silver: 1500 m freestyle |
| Katsumasa Onishi | JPN |
SHO | Olympics | 1992 | 1–0–1 1986 Seoul SHO gold: 25 m centre fire pistol team; 1990 Beijing SHO bronze: 25 m rapid-fire pistol team |
| Hitoshi Ono | JPN |
BBL | Olympics | 1996 | 1–0–0 1994 Hiroshima BSB gold |
| Hitoshi Ono | JPN |
BBL | Olympics | 1996 | 1–0–0 1994 Hiroshima BSB gold |
| Mayumi Ono | JPN |
HOC | Olympics | 2008—2016 | 1–1–2 2002 Busan HOC bronze; 2006 Doha HOC silver; 2010 Guangzhou HOC bronze; 2018 Jakarta/Palembang HOC gold |
| Shohei Ono | JPN |
JUD | Olympics | 2016—2020 | 2–0–0 2018 Jakarta/Palembang JUD gold: lightweight -73 kg and team |
| Takashi Ono | JPN |
JUD | Olympics | 2008 | 1–0–1 2006 Doha JUD bronze: half-middleweight -81 kg; 2010 Guangzhou JUD gold: middleweight -90 kg |
| Shiho Onodera | JPN |
FBL | Olympics / Non-starter | 1996—2004 | 0–0–1 1998 Bangkok FBL bronze |
| Rogelio Onofre | PHI |
ATH | Olympics | 1960—1968 | 1–0–2 1962 Jakarta ATH gold: 4×100 m relay, bronze: 100 m; 1966 Bangkok ATH bronze: 4×100 m relay |
| Kenji Onuma | JPN |
WLF | Olympics | 1956—1960 | 0–1–0 1958 Tokyo WLF silver: lightweight -67.5 kg |
| Oo Sandi | MYA |
WSU | Non-Medal | 2008 | 0–1–0 2010 Guangzhou WUS silver: Changquan |
| Ooi Tze Liang | MAS |
DIV | Olympics / YOG | 2010—2016 | 0–2–1 2010 Guangzhou DIV silver: synchronised platform; 2014 Incheon DIV silver: synchronised springboard, bronze: synchronised platform |
| Oon Jin Gee | SGP |
SWM | Olympics | 1984—1988 | 0–0–2 1986 Seoul SWM bronze: 4×100 m freestyle relay and 4×200 m freestyle relay |
| Oon Jin Teik | SGP |
SWM | Olympics / Administrator | 1984—2008 | 0–0–1 1986 Seoul SWM bronze: 4×200 m freestyle relay |
| Satoshi Oosaki | JPN |
ATH | Non-starter | 2008 | 0–0–1 2006 Doha ATH bronze: marathon |
| Askar Orazalinov | KAZ |
WPO | Olympics / Coach | 2000—2004 | 3–0–0 1994 Hiroshima WPO gold; 1998 Bangkok WPO gold; 2002 Busan WPO gold |
| Orgodolyn Üitümen | MGL |
WRE | Olympics | 2012—2016 | 0–0–1 2018 Jakarta/Palembang WRE bronze: freestyle light-heavyweight -86 kg |
| Constancio Ortiz | PHI |
BKB | Olympics | 1960 | 1–0–0 1958 Tokyo BKB gold |
| Alejandro Ortuoste | PHI |
BOX | Olympics | 1952 | 1–0–0 1954 Manila BOX gold: bantamweight -54 kg |
| Jun Osakada | JPN |
ATH | Olympics | 1996—2004 | 1–0–0 1998 Bangkok ATH gold: 4×400 m relay |
| Keiko Osaki-Otsubo | JPN |
DIV | Olympics | 1964—1972 | 2–0–0 1966 Bangkok DIV gold: 3 m springboard and platform (competed as Keiko Osaki) |
| Suguru Osako | JPN |
ATH | Olympics | 2016—2024 | 0–1–0 2014 Incheon ATH silver: 10000 m |
| Seiichi Osanai | JPN |
WRE | Olympics | 1984 | 1–0–0 1986 Seoul WRE gold: Greco-Roman featherweight -62 kg |
| Tetsuo Osawa | JPN |
CRD/CTR | Olympics | 1956—1960 | 1–0–0 1958 Tokyo CRD gold: 1000 m track time trial |
| Kyoko Oshima | JPN |
GAR | Olympics | 2004—2008 | 0–2–2 2002 Busan GAR bronze: team; 2006 Doha GAR silver: team, bronze: floor; 2010 Guangzhou GAR silver: team |
| Yasukuni Oshima | JPN |
BKB | Olympics | 1960 | 0–1–0 1962 Jakarta BKB silver |
| Yukiharu Oshita | JPN |
WPO | Olympics | 1972 | 1–0–0 1970 Bangkok WPO gold |
| Stanislav Osinsky | KAZ |
SWM | Olympics | 2004—2008 | 0–0–1 2010 Guangzhou SWM bronze: 4×100 m medley relay |
| Sayuri Osuga | JPN |
CTR/SSK | Olympics | 2002—2006 | 0–1–0 2002 Busan CRD silver: 500 m track time trial |
| Akira Ota | JPN |
WRE | Olympics | 1984—1992 | 0–0–1 1982 New Delhi WRE bronze: freestyle light-heavyweight -90 kg |
| Shinichi Ota | JPN |
CTR | Olympics | 2000 | 1–0–0 2002 Busan CRD gold: keirin |
| Shinobu Ota | JPN |
WRE | Olympics | 2016 | 1–0–0 2018 Jakarta/Palembang WRE gold: Greco-Roman featherweight -60 kg |
| Takuya Ota | JPN |
WRE | Olympics | 1996 | 0–1–0 1994 Hiroshima WRE silver: freestyle welterweight -74 kg |
| Tomio Ota | JPN |
ATH | Olympics | 1960—1964 | 0–1–1 1958 Tokyo ATH bronze: triple jump; 1962 Jakarta ATH silver: triple jump |
| Yoko Ota | JPN |
ATH | Olympics | 2000 | 1–0–0 1998 Bangkok ATH gold: high jump |
| Yuki Ota | JPN |
FEN | Olympics / Administrator | 2004—2021 | 2–1–3 2006 Doha FEN gold: foil, bronze: foil team; 2010 Guangzhou FEN silver: foil team, bronze: foil; 2014 Incheon FEN gold: foil team, bronze: foil |
| Hideyuki Otake | JPN |
VVO | Olympics | 1992 | 1–0–1 1990 Beijing VVO bronze; 1994 Hiroshima VVO gold |
| Nami Otake | JPN |
FBL | Olympics | 1996 | 0–0–1 1998 Bangkok FBL bronze |
| Mio Otani | JPN |
FBL | Olympics | 2004 | 0–0–1 2002 Busan FBL bronze |
| Sachiko Otani | JPN |
VVO | Olympics | 1984 | 0–1–0 1986 Seoul VVO silver |
| Otgonbaataryn Uuganbaatar | MGL |
JUD | Olympics | 2016 | 0–0–1 2018 Jakarta/Palembang JUD bronze: half-middleweight -81 kg |
| Naser Al-Othman | KUW |
FBL | Olympics | 2000 | 0–1–0 1998 Bangkok FBL silver |
| Ai Otomo-Yamamoto | JPN |
VVO | Olympics | 2004—2012 | 0–0–1 2002 Busan VVO bronze (competed as Ai Otomo) |
| Otryadyn Gündegmaa | MGL |
SHO | Olympics / Closing Flagbearer | 1996—2020 | 0–1–5 1998 Bangkok SHO bronze: 25 m sporting pistol team; 2002 Busan SHO bronze: 25 m sporting pistol; 2006 Doha SHO bronze: 25 m sporting pistol team; 2010 Guangzhou SHO silver: 25 m sporting pistol team; 2014 Incheon SHO bronze: 10 m air pistol team and 25 m sporting pistol |
| Toshio Otsubo | JPN |
DIV | Olympics | 1964—1968 | 0–1–0 1970 Bangkok DIV silver: platform |
| Miyako Otsuka | JPN |
BKB | Olympics | 1976 | 1–0–0 1974 Tehran BKB gold |
| Shiho Otsuka | JPN |
HOC | Olympics | 2012 | 0–0–1 2010 Guangzhou HOC bronze |
| Ou Ching-Chieh | TPE |
SBL | Olympics | 1996 | 0–0–1 1998 Bangkok SOF bronze |
| Ou Jingbai | CHN |
SBL | Olympics | 1996 | 2–0–0 1990 Beijing SOF gold; 1994 Hiroshima SOF gold |
| Ou Zixia | CHN |
HOC | Olympics / Closing Flagbearer | 2016—2024 | 0–0–1 2018 Jakarta/Palembang HOC bronze |
| Masafumi Oura | JPN |
VVO | Olympics | 1992 | 1–0–1 1990 Beijing VVO bronze; 1994 Hiroshima VVO gold |
| Moukheld Al-Outaibi | KSA |
ATH | Olympics | 2008—2016 | 2–0–0 2002 Busan ATH gold: 5000 m and 10000 m |
| Ouyang Kunpeng | CHN |
SWM | Olympics | 2000—2004 | 0–5–1 2002 Busan SWM silver: 4×100 m medley relay, bronze: 200 m medley; 2006 Doha SWM silver: 50 m backstroke, 100 m backstroke, 200 m backstroke, and 4×100 m medley relay |
| Ow Soon Kooi | MAS |
HOC | Olympics | 1976—1984 | 0–0–1 1974 Tehran HOC bronze |
| Kana Oyama | JPN |
VVO | Olympics | 2004 | 0–0–1 2002 Busan VVO bronze |
| Taeko Oyama | JPN |
BKB | Olympics | 1996—2004 | 1–1–0 1994 Hiroshima BKB silver; 1998 Bangkok BKB gold |
| Oyuunbilegiin Pürevbaatar | MGL |
WRE | Olympics | 2000—2004 | 1–1–0 1998 Bangkok WRE silver: freestyle featherweight -58 kg; 2002 Busan WRE gold: freestyle lightweight -60 kg |
| Michiharu Ozaki | JPN |
SHO | Olympics | 1976 | 0–0–2 1974 Tehran SHO bronze: 50 m small-bore rifle prone team and 50 m small-bore rifle 3 positions team |
| Misaki Ozawa | JPN |
HOC | Olympics | 2008 | 0–1–0 2006 Doha HOC silver |
| Eddie Pacheco | PHI |
BKB | Olympics | 1960 | 1–0–0 1962 Jakarta BKB gold |
| Damrong Pachonyut | THA |
SHO | Olympics | 1972—1984 | 0–0–1 1978 Bangkok SHO bronze: trap team |
| Pae Gil-Su | PRK |
GAR | Olympics | 1992—2000 | 2–0–1 1990 Beijing GAR gold: horizontal bar, bronze: pommelled horse; 1998 Bangkok GAR gold: pommelled horse |
| Paek Jong-Suk | PRK |
SHO | Olympics | 1992 | 0–0–2 1990 Beijing SHO bronze: 10 m air pistol team and 25 m sporting pistol team |
| Leander Paes | IND |
TEN | Olympics / Opening Flagbearer | 1992—2016 | 5–0–3 1990 Beijing TEN bronze: team; 1994 Hiroshima TEN gold: doubles and team, bronze: singles; 2002 Busan TEN gold: doubles, bronze: mixed doubles; 2006 Doha TEN gold: doubles and mixed doubles |
| Edgardo Pagarigan | PHI |
CTR | Olympics | 1984 | 0–0–1 1982 New Delhi CRD bronze: points race |
| Ahmed Paidayesh | IRI |
WPO | Olympics | 1976 | 1–0–0 1974 Tehran WPO gold |
| Paidjo | INA |
FBL | Non-starter | 1956 | 0–0–1 1958 Tokyo FBL bronze |
| Pak Dong-Geun | PRK |
WLF | Olympics | 1972 | 0–1–0 1974 Tehran WLF flyweight -52 kg silver: clean & jerk |
| Pak Hyon-Suk | PRK |
WLF | Olympics / Closing Flagbearer | 2004—2008 | 0–1–1 2006 Doha WLF bronze: lightweight -58 kg; 2010 Guangzhou WLF silver: lightweight -58 kg |
| Pak Jong-Chol | PRK |
JUD | Olympics | 1980 | 0–0–1 1990 Beijing JUD bronze: middleweight -86 kg |
| Pak Jong-Hun | PRK |
FBL | Olympics | 1976 | 1–0–0 1978 Bangkok FBL gold |
| Pak Jong-Ran | PRK |
SHO | Olympics | 1992—2008 | 1–2–0 1990 Beijing SHO gold: skeet, silver: skeet team; 2006 Doha SHO silver: skeet team |
| Pak Ui-Myong | PRK |
WLF | Olympics | 1992 | 0–1–0 1990 Beijing WLF silver: light-heavyweight -82.5 kg |
| Ali Pakdaman | IRI |
FEN | Olympics | 2016—2024 | 0–2–1 2014 Incheon FEN silver: sabre team; 2018 Jakarta/Palembang FEN silver: sabre team, bronze: sabre |
| Amrit Pal | IND |
ATH | Olympics | 1964 | 0–1–1 1962 Jakarta ATH silver: 1500 m, bronze: 800 m |
| Buoban Pamang | THA |
ATH | Olympics | 2008 | 1–0–0 2006 Doha ATH gold: javelin throw |
| Pan Bing | CHN |
TEN | Olympics | 1996 | 3–1–1 1990 Beijing TEN gold: singles and team, silver: doubles; 1994 Hiroshima TEN gold: singles, bronze: doubles |
| C. T. Pan | TPE |
GLF | Olympics | 2016—2024 | 2–1–1 2006 Doha GLF silver: individual, bronze: team; 2014 Incheon GLF gold: individual and team |
| Pan Kou-Ang | TPE |
SHO | Olympics | 1964—1968 | 0–0–1 1966 Bangkok SHO bronze: 50 m small-bore rifle prone team |
| Pan Lina | CHN |
FBL | Non-starter | 2000 | 0–1–1 2002 Busan FBL silver; 2006 Doha FBL bronze |
| Pan Qiang | CHN |
SHO | Olympics | 2016 | 1–0–0 2010 Guangzhou SHO gold: double trap team |
| Pan Shenghua | CHN |
WPO | Olympics | 1984 | 1–0–0 1982 New Delhi WPO gold |
| Pan Song | CHN |
JUD | Olympics | 2000—2008 | 0–0–1 1998 Bangkok JUD bronze: heavyweight +100 kg |
| Pan Tzu-Hui | TPE |
SBL | Olympics | 2004—2008 | 0–2–0 2002 Busan SOF silver; 2006 Doha SOF silver |
| Pan Wei | CHN |
BKB | Olympics | 2004 | 1–1–0 1998 Bangkok BKB silver; 2002 Busan BKB gold |
| Pan Wei-Lun | TPE |
BBL | Olympics | 2004—2008 | 1–2–0 2002 Busan BSB silver; 2006 Doha BSB gold; 2010 Guangzhou BSB silver |
| Pan Yao | CHN |
CSP | Olympics | 2008 | 0–1–0 2010 Guangzhou CSP silver: K1 1000 m |
| Lakhshmi Kant Pandey | IND |
WRE | Olympics | 1956 | 0–0–1 1962 Jakarta WRE bronze: freestyle welterweight -78 kg |
| Donald Pandiangan | INA |
ARC | Olympics | 1976—1984 | 0–1–1 1978 Bangkok ARC bronze: team; 1982 New Delhi ARC silver: team |
| Purnama Pandiangan | INA |
ARC | Olympics | 1992 | 0–1–0 1994 Hiroshima ARC silver: team |
| Aleksey Panfili | KAZ RUS |
WPO | Olympics | 1996—2012 | 2–0–0 2010 Guangzhou WPO gold (competed for Kazakhstan); 2014 Incheon WPO gold (competed for Kazakhstan) |
| Pang Jiaying | CHN |
SWM | Olympics | 2004—2012 | 4–2–0 2006 Doha SWM gold: 200 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 50 m freestyle and 100 m freestyle |