Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Kim Un-Hyang | PRK |
FBL | Olympics | 2012 | 1–0–0 2014 Incheon FBL gold |
| Kim Un-Jong | PRK |
GAR | Olympics | 2004 | 0–1–0 2002 Busan GAR silver: team |
| Kim Un-Seong | KOR |
FEN | Olympics | 2004 | 0–0–1 1998 Bangkok FEN bronze: foil team |
| Kim Won-Il | KOR |
BOX | Olympics | 2004 | 1–0–0 2002 Busan BOX gold: bantamweight -54 kg |
| Kim Won-Jin | KOR |
FEN | Olympics | 2008 | 3–0–0 2006 Doha FEN gold: épée team; 2010 Guangzhou FEN gold: épée and épée team |
| Kim Won-Jin | KOR |
JUD | Olympics | 2016—2020 | 0–0–1 2014 Incheon JUD bronze: extra-lightweight -60 kg |
| Kim Won-Tak | KOR |
ATH | Olympics | 1988 | 1–0–0 1990 Beijing ATH gold: marathon |
| Kim Wu-Jin | KOR |
ARC | Olympics | 2016—2020 | 3–1–0 2010 Guangzhou ARC gold: individual and team; 2018 Jakarta/Palembang ARC gold: individual, silver: team |
| Kim Yeon-Gyeong | KOR |
VVO | Olympics / Other | 2012—2020 | 1–1–1 2010 Guangzhou VVO silver; 2014 Incheon VVO gold; 2018 Jakarta/Palembang VVO bronze |
| Kim Yeon-Hui | KOR |
SHO | Olympics | 2004 | 1–0–2 2002 Busan SHO gold: skeet team, bronze: skeet; 2006 Doha SHO bronze: skeet team |
| Kim Yeon-Ja | KOR |
BDM | Non-Medal | 1988 | 0–2–4 1982 New Delhi BDM silver: doubles, bronze: singles and team; 1986 Seoul BDM silver: doubles, bronze: singles and team |
| Kim Yeong-Gi | KOR |
BKB | Olympics | 1956—1964 | 0–0–1 1962 Jakarta BKB bronze |
| Kim Yeong-Gwi | KOR |
HOC | Olympics | 1996 | 0–1–0 1998 Bangkok HOC silver |
| Kim Yeong-Gwon | KOR |
FBL | Olympics | 2012 | 0–0–1 2010 Guangzhou FBL bronze |
| Kim Yeong-Ho | KOR |
FEN | Olympics | 1992—2000 | 1–2–1 1994 Hiroshima FEN gold: foil team; 1998 Bangkok FEN silver: foil, bronze: foil team; 2002 Busan FEN silver: foil team |
| Kim Yeong-Hui | KOR |
BKB | Olympics | 1984 | 0–2–0 1982 New Delhi BKB silver; 1986 Seoul BKB silver |
| Kim Yeong-Il | KOR |
WRE | Olympics | 1996 | 1–0–0 1994 Hiroshima WRE gold: Greco-Roman lightweight -68 kg |
| Kim Yeong-Il | KOR |
BKB | Olympics | 1964—1968 | 1–0–2 1962 Jakarta BKB bronze; 1966 Bangkok BKB bronze; 1970 Bangkok BKB gold |
| Kim Yeong-Ja | KOR |
VVO | Olympics | 1968—1972 | 0–1–0 1970 Bangkok VVO silver |
| Kim Yeong-Jin | KOR |
SHO | Olympics | 1984 | 0–2–0 1978 Bangkok SHO silver: skeet team; 1986 Seoul SHO silver: skeet team |
| Kim Yeong-Jin | KOR |
HOC | Olympics | 2012 | 0–0–1 2014 Incheon HOC bronze |
| Kim Yeong-Jun | KOR |
WRE | Olympics | 1972 | 0–0–1 1970 Bangkok WRE bronze: freestyle flyweight -52 kg |
| Kim Yeong-Jun | KOR |
HOC | Olympics | 1988 | 1–0–0 1986 Seoul HOC gold |
| Kim Yeong-Mi | KOR |
SHO | Olympics | 1984—1988 | 0–0–1 1986 Seoul SHO bronze: 50 m small-bore rifle 3 positions team |
| Kim Yeong-Nam | KOR |
WRE | Olympics | 1984—1988 | 1–0–0 1986 Seoul WRE gold: Greco-Roman welterweight -74 kg |
| Kim Yeong-Ok | KOR |
BKB | Olympics | 2004—2008 | 0–1–0 2002 Busan BKB silver |
| Kim Yeong-Ran | KOR |
HOC | Olympics | 2008—2012 | 0–1–0 2010 Guangzhou HOC silver |
| Kim Yeong-Ran | KOR |
JUD | Olympics | 2008 | 0–2–0 2002 Busan JUD silver: extra-lightweight -48 kg; 2006 Doha JUD silver: extra-lightweight -48 kg |
| Kim Yeong-Suk | KOR |
HOC | Olympics | 1988 | 1–0–0 1986 Seoul HOC gold |
| Kim Yong-Ae | PRK |
FBL | Olympics | 2008 | 1–1–0 2006 Doha FBL gold; 2010 Guangzhou FBL silver |
| Kim Yong-Bae | KOR |
SHO | Olympics | 1968 | 2–0–4 1966 Bangkok SHO gold: 50 m free pistol team; 1970 Bangkok SHO gold: 25 m centre fire pistol, bronze: 25 m centre fire pistol team and 50 m free pistol team; 1974 Tehran SHO bronze: 25 m centre fire pistol team and 25 m standard pistol team |
| Kim Yong-Bae | KOR |
HOC | Olympics | 1996—2008 | 2–1–0 1998 Bangkok HOC silver; 2002 Busan HOC gold; 2006 Doha HOC gold |
| Kim Yong-Dae | KOR |
FBL | Olympics | 2000 | 0–0–1 2002 Busan FBL bronze |
| Kim Yong-Guk | KOR |
FEN | Olympics | 1988—1996 | 1–1–0 1990 Beijing FEN silver: foil team; 1994 Hiroshima FEN gold: foil team |
| Kim Yong-Gyu | KOR |
CTR | Olympics | 1988—1992 | 0–0–1 1990 Beijing CRD bronze: 4000 m pursuit team |
| Kim Yong-Mi | KOR |
CRD/CTR | Olympics | 1996—2004 | 2–0–1 1998 Bangkok CRD bronze: 3000 m pursuit individual; 2002 Busan CRD gold: road race and points race |
| Kim Yong-Mi | PRK |
SWA | Olympics | 2008 | 0–0–2 2006 Doha SWA bronze: team; 2010 Guangzhou SWA bronze: team |
| Kim Yong-Se | KOR |
FBL | Olympics | 1988 | 1–0–0 1986 Seoul FBL gold |
| Kim Yong-Sik | PRK |
WRE | Olympics | 1992 | 1–0–0 1990 Beijing WRE gold: freestyle bantamweight -57 kg |
| Kim Yu-Hyeon | KOR |
BOX | Olympics | 1988 | 1–0–0 1986 Seoul BOX gold: heavyweight -91 kg |
| Kim Yu-Seok | KOR |
ATH | Olympics | 2004—2012 | 0–1–0 2010 Guangzhou ATH silver: pole vault |
| Kim Yu-Taek | KOR |
BKB | Olympics | 1988 | 0–2–1 1986 Seoul BKB silver; 1990 Beijing BKB bronze; 1994 Hiroshima BKB silver |
| Kim Yun | KOR |
HOC | Olympics | 1996—2000 | 2–0–0 1994 Hiroshima HOC gold; 2002 Busan HOC gold |
| Kim Yun-Mi | KOR |
SHO | Olympics | 2008 | 2–0–0 2010 Guangzhou SHO gold: 10 m air pistol and 10 m air pistol team |
| Kim Yun-Mi | KOR |
HOC | Olympics | 2004 | 0–1–0 2002 Busan HOC silver |
| Kenji Kimihara | JPN |
ATH | Olympics | 1964—1972 | 2–0–0 1966 Bangkok ATH gold: marathon; 1970 Bangkok ATH gold: marathon |
| Ayako Kimura | JPN |
ATH | Olympics | 2012—2020 | 0–0–1 2014 Incheon ATH bronze: 100 m hurdles |
| Chie Kimura | JPN |
HOC | Olympics | 2004—2008 | 0–1–1 2002 Busan HOC bronze; 2006 Doha HOC silver |
| Kenji Kimura | JPN |
VVO | Olympics | 1968—1972 | 3–0–0 1966 Bangkok VVO gold; 1970 Bangkok VVO gold; 1974 Tehran VVO gold |
| Saori Kimura | JPN |
VVO | Olympics | 2004—2016 | 0–1–0 2006 Doha VVO silver |
| Takeo Kimura | JPN |
WLF | Olympics | 1968 | 0–1–0 1966 Bangkok WLF silver: lightweight -67.5 kg |
| Toyoko Kimura | JPN |
SWM | Olympics | 1964 | 2–1–0 1962 Jakarta SWM gold: 400 m freestyle and 4×100 m freestyle relay, silver: 100 m freestyle |
| Michitaka Kinami | JPN |
ATH | Olympics | 1952 | 0–1–0 1951 New Delhi ATH silver: 110 m hurdles |
| Yukari Kinga | JPN |
FBL | Olympics / Non-starter | 2004—2012 | 1–0–0 2010 Guangzhou FBL gold |
| Kyoko Kinoshita | JPN |
SHO | Olympics | 1988 | 0–1–1 1986 Seoul SHO silver: 50 m small-bore rifle 3 positions team, bronze: 10 m air rifle team |
| Tatsuya Kinugasa | JPN |
SWM | Olympics | 1992—1996 | 0–1–1 1994 Hiroshima SWM silver: 400 m medley, bronze: 200 m medley |
| Futaba Kioka | JPN |
FBL | Olympics | 1996 | 0–1–0 1990 Beijing FBL silver |
| Yoshiko Kira | JPN |
SHO | Olympics | 1996 | 0–0–1 1998 Bangkok SHO bronze: double trap team |
| Ivan Kireyev | EUN UZB |
CSP | Olympics | 1992—1996 | 3–1–0 1994 Hiroshima CSP gold: K1 500 m, K1 1000 m, and K4 1000 m, silver: K4 500 m (competed for Uzbekistan) |
| Nona Kiritani | JPN |
FEN | Olympics | 1988 | 0–1–1 1990 Beijing FEN bronze: foil team; 1994 Hiroshima FEN silver: foil team |
| Eunice Kirwa | BRN |
ATH | Olympics | 2016 | 1–0–0 2014 Incheon ATH gold: marathon |
| Yoshihide Kiryu | JPN |
ATH | Olympics | 2016—2020 | 1–0–0 2018 Jakarta/Palembang ATH gold: 4×100 m relay |
| Masayuki Kishida | JPN |
SWM | Olympics | 2008 | 1–2–0 2010 Guangzhou SWM gold: 4×100 m medley relay (swam in heats only), silver: 50 m freestyle and 50 m butterfly |
| Sachiko Kishimoto | JPN |
ATH | Olympics | 1964 | 1–0–0 1962 Jakarta ATH gold: long jump |
| Takayuki Kishimoto | JPN |
ATH | Olympics | 2012 | 0–1–0 2014 Incheon ATH silver: 400 m hurdles |
| Akiko Kitada | JPN |
HOC | Olympics | 2004 | 0–0–1 2002 Busan HOC bronze |
| Sumiko Kitada | JPN |
BDM | Non-Medal | 1988 | 0–2–2 1982 New Delhi BDM silver: team, bronze: singles; 1986 Seoul BDM silver: team, bronze: doubles |
| Asami Kitagawa | JPN |
SWM | Olympics | 2008 | 1–3–0 2006 Doha SWM gold: 100 m breaststroke, silver: 50 m breaststroke, 200 m medley, and 4×100 m medley relay |
| Norihiko Kitahara | JPN |
BKB | Olympics | 1976 | 0–0–1 1982 New Delhi BKB bronze |
| Kosuke Kitajima | JPN |
SWM | Olympics / Other | 2000—2012 | 7–1–0 2002 Busan SWM gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay; 2006 Doha SWM gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay, silver: 50 m breaststroke; 2010 Guangzhou SWM gold: 4×100 m medley relay (swam in heats only) |
| Ryuzo Kitajima | JPN |
EVE | Olympics | 2016—2020 | 1–1–0 2014 Incheon EJP silver: Three-Day Event team; 2018 Jakarta/Palembang EJP gold: Three-Day Event team |
| Shinobu Kitamoto | JPN |
CSP | Olympics | 2004—2012 | 1–2–2 2002 Busan CSP bronze: K4 500 m; 2006 Doha CSP silver: K2 500 m; 2010 Guangzhou CSP gold: K1 200 m, silver: K2 500 m, bronze: K1 500 m |
| Teruhiko Kitani | JPN |
SWM | Olympics | 1968 | 1–1–0 1966 Bangkok SWM gold: 4×200 m freestyle relay, silver: 100 m freestyle |
| Yushu Kitano | JPN |
WRE | Olympics | 1952 | 0–1–0 1954 Manila WRE silver: freestyle flyweight -52 kg |
| Tsubasa Kitatsuru | JPN |
CTR | Olympics | 2008 | 1–1–0 2006 Doha CRD gold: sprint; 2010 Guangzhou CRD silver: sprint |
| Andrey Kivilyov | KAZ |
CRD | Olympics | 1996—2000 | 1–0–0 1994 Hiroshima CRD gold: road race |
| Akira Kiyofuji | JPN |
ATH | Olympics | 1956 | 1–0–0 1954 Manila ATH gold: 4×100 m relay |
| Ryoko Kizaki | JPN |
ATH | Olympics | 2012 | 0–1–0 2014 Incheon ATH silver: marathon |
| Mary Klass | SGP |
ATH | Olympics | 1956 | 0–1–0 1954 Manila ATH silver: 100 m |
| Igor Klimov | KAZ |
WRE | Olympics | 1996 | 0–1–0 1994 Hiroshima WRE silver: freestyle super-heavyweight -130 kg |
| Inna Klinova | KAZ |
CSP | Olympics | 2016 | 2–1–0 2014 Incheon CSP gold: K1 200 m; 2018 Jakarta/Palembang CSP gold: K1 200 m, silver: K4 500 m |
| Orranut Klomdee | THA |
ATH | Olympics | 2000—2008 | 1–1–0 2002 Busan ATH silver: 4×100 m relay; 2010 Guangzhou ATH gold: 4×100 m relay (competed as Neeranuch Klomdee) |
| Surin Klomjai | THA |
SHO | Olympics | 1996 | 0–0–1 1994 Hiroshima SHO bronze: 10 m air pistol team |
| Ko Bu-Beng | TPE |
WLF | Olympics | 1956—1960 | 1–0–0 1958 Tokyo WLF gold: middleweight -75 kg |
| Ryohei Koba | JPN |
SHO | Olympics | 1984—1992 | 4–4–7 1982 New Delhi SHO silver: 10 m air rifle team; 1986 Seoul SHO gold: 50 m small-bore rifle 3 positions, bronze: 10 m air rifle team, 50 m small-bore rifle prone team, and 50 m small-bore rifle 3 positions team; 1990 Beijing SHO gold: 10 m air rifle team and 50 m small-bore rifle prone, silver: 50 m small-bore rifle 3 positions, bronze: 10 m air rifle, 50 m small-bore rifle prone team, and 50 m small-bore rifle 3 positions team; 1994 Hiroshima SHO gold: 50 m small-bore rifle standing, silver: 10 m air rifle team and 50 m small-bore rifle prone team; 1998 Bangkok SHO bronze: 10 m air rifle team |
| Chisa Kobayashi | JPN |
SWA | Olympics | 2012 | 0–3–0 2010 Guangzhou SWA silver: duet, team, and combination |
| Hiromi Kobayashi | JPN |
SWA | Olympics | 2008 | 0–1–0 2006 Doha SWA silver: team |
| Miwako Kobayashi | JPN |
SWM | Olympics | 1968 | 1–0–1 1966 Bangkok SWM gold: 4×100 m freestyle relay, bronze: 400 m freestyle |
| Miyuki Kobayashi | JPN |
CSP | Olympics | 1988—1992 | 0–2–1 1990 Beijing CSP silver: K2 500 m, bronze: K4 500 m; 1994 Hiroshima CSP silver: K2 500 m |
| Susumu Kobayashi | JPN |
SHO | Olympics | 2008 | 0–0–2 2010 Guangzhou SHO bronze: 10 m air pistol team and 50 m free pistol team |
| Takako Kobayashi | JPN |
JUD | Olympics | 1992 | 0–1–0 1990 Beijing JUD silver: half-middleweight -61 kg |
| Takashi Kobayashi | JPN |
WRE | Olympics | 1988 | 1–0–0 1982 New Delhi WRE gold: freestyle light-flyweight -48 kg |
| Yayoi Kobayashi | JPN |
FBL | Olympics | 2004 | 0–0–1 2002 Busan FBL bronze |
| Yoshimi Kobayashi | JPN |
SOF | Olympics | 2000 | 0–2–0 1990 Beijing SOF silver; 1998 Bangkok SOF silver |
| Yuriko Kobayashi | JPN |
ATH | Olympics | 2008 | 0–1–0 2006 Doha ATH silver: 1500 m |
| Dmitry Koblov | KAZ |
ATH | Olympics | 2016 | 0–0–1 2018 Jakarta/Palembang ATH bronze: 4×400 m mixed relay |
| Daniyar Kobonov | KGZ |
WRE | Olympics | 2004—2012 | 1–1–1 2002 Busan WRE silver: Greco-Roman welterweight -66 kg; 2006 Doha WRE bronze: Greco-Roman middleweight -74 kg; 2010 Guangzhou WRE gold: Greco-Roman middleweight -74 kg |
| Yuki Kobori | JPN |
SWM | Olympics | 2012—2016 | 2–3–1 2010 Guangzhou SWM silver: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay; 2014 Incheon SWM gold: 4×200 m freestyle relay; 2018 Jakarta/Palembang SWM gold: 4×200 m freestyle relay (swam in heats only), silver: 4×100 m medley relay, bronze: 100 m butterfly |
| Gerasim Kochnev | UZB |
CSP | Olympics | 2016 | 1–1–1 2006 Doha CSP silver: C2 1000 m; 2010 Guangzhou CSP gold: C2 1000 m; 2014 Incheon CSP bronze: C2 1000 m |
| Akira Kodama | JPN |
BKB | Olympics | 1964 | 0–0–1 1970 Bangkok BKB bronze |
| Chika Kodama | JPN |
SOF | Olympics | 1996 | 0–1–0 1994 Hiroshima SOF silver |
| Silvia Koeswandi | INA |
FEN | Olympics | 1988 | 0–1–2 1978 Bangkok FEN bronze: foil team; 1990 Beijing FEN silver: épée, bronze: épée team |
| Junya Koga | JPN |
SWM | Olympics | 2016 | 3–1–0 2006 Doha SWM gold: 50 m backstroke; 2010 Guangzhou SWM gold: 50 m backstroke, silver: 100 m backstroke; 2014 Incheon SWM gold: 50 m backstroke |
| Manabu Koga | JPN |
SWM | Olympics | 1956 | 2–0–0 1958 Tokyo SWM gold: 100 m freestyle and 4×100 m medley relay |
| Toshihiko Koga | JPN |
JUD | Olympics | 1988—1996 | 0–0–1 1990 Beijing JUD bronze: lightweight -71 kg |
| Shigeo Kogure | JPN |
WLF | Olympics | 1960 | 1–0–0 1958 Tokyo WLF gold: bantamweight -56 kg |
| Koh Chun-Son | PRK |
ATH | Olympics | 1976—1980 | 0–0–1 1978 Bangkok ATH bronze: marathon |
| Harumi Kohara | JPN |
BDM | Olympics | 1992 | 0–1–0 1986 Seoul BDM silver: team |
| Hirofumi Koike | JPN |
ATH | Olympics | 1988 | 0–1–0 1986 Seoul ATH silver: 4×100 m relay |
| Isao Koizumi | JPN |
VVO | Olympics | 1968 | 2–0–0 1966 Bangkok VVO gold; 1970 Bangkok VVO gold |
| Fumi Kojima | JPN |
ATH | Olympics | 1936 | 0–2–0 1951 New Delhi ATH silver: shot put and discus throw |
| Ippei Kojima | JPN |
BDM | Non-Medal | 1972 | 0–0–4 1966 Bangkok BDM bronze: team; 1970 Bangkok BDM bronze: singles, mixed doubles, and team |
| Keiji Kojima | JPN |
CTR | Olympics | 1992 | 2–0–0 1990 Beijing CRD gold: 1000 m track time trial and 4000 m pursuit team |
| Yoshio Kojima | JPN |
ATH | Olympics | 1956 | 1–1–0 1954 Manila ATH gold: hammer throw, silver: shot put |
| Yukiyo Kojima | JPN |
VVO | Olympics | 1968 | 1–0–0 1966 Bangkok VVO gold |
| Mary Kom | IND |
BOX | Olympics / Other | 2012—2020 | 1–0–1 2010 Guangzhou BOX bronze: flyweight -51 kg; 2014 Incheon BOX gold: flyweight -51 kg |
| Yuichi Komano | JPN |
FBL | Olympics | 2004 | 0–1–0 2002 Busan FBL silver |
| Yasuhiro Komazaki | JPN |
SWM | Olympics | 1972 | 3–0–1 1970 Bangkok SWM gold: 100 m butterfly and 200 m butterfly; 1974 Tehran SWM gold: 200 m butterfly, bronze: 100 m butterfly |
| Rika Komazawa | JPN |
HOC | Olympics | 2004—2012 | 0–1–1 2006 Doha HOC silver; 2010 Guangzhou HOC bronze |
| Tomomi Komori | JPN |
HOC | Olympics | 2004—2008 | 0–1–0 2006 Doha HOC silver |
| Erika Komura | JPN |
SWA | Olympics | 2008 | 0–1–0 2006 Doha SWA silver: team |
| Ami Kondo | JPN |
JUD | Olympics | 2016 | 0–1–0 2018 Jakarta/Palembang JUD silver: extra-lightweight -48 kg |
| Masako Kondo | JPN |
VVO | Olympics | 1964 | 2–0–0 1962 Jakarta VVO gold: six-a-side and nine-a-side |
| Kong Hye-Ok | PRK |
FBL | Olympics | 2008 | 1–1–0 2006 Doha FBL gold; 2010 Guangzhou FBL silver |
| Vivian Kong | HKG |
FEN | Olympics | 2016—2020 | 0–0–4 2014 Incheon FEN bronze: épée and épée team; 2018 Jakarta/Palembang FEN bronze: épée and épée team |
| Yvette Kong | HKG |
SWM | Olympics / YOG | 2010—2016 | 0–0–1 2014 Incheon SWM bronze: 4×100 m medley relay |
| Hiroyuki Konishi | JPN |
GAR | Olympics | 1988 | 0–0–1 1986 Seoul GAR bronze: team |
| Yukari Konishi | JPN |
SHO | Olympics | 2004—2012 | 0–3–0 2002 Busan SHO silver: 25 m sporting pistol team; 2006 Doha SHO silver: 25 m sporting pistol team; 2010 Guangzhou SHO silver: 25 m sporting pistol team |
| Hitoshi Konno | JPN |
BKB | Olympics | 1956 | 0–0–1 1954 Manila BKB bronze |
| Ujitoshi Konomi | JPN |
SHO | Olympics | 1956 | 1–0–0 1958 Tokyo SHO gold: trap |
| Koo Kien Keat | MAS |
BDM | Olympics | 2008—2012 | 1–1–1 2006 Doha BDM gold: doubles, bronze: team; 2010 Guangzhou BDM silver: doubles |
| Gholam Hossein Koohi | IRI |
CRD/CTR | Olympics | 1972—1976 | 1–1–0 1974 Tehran CRD gold: road race team, silver: road race |
| Louisa Koon | HKG |
BDM | Olympics | 2000—2004 | 0–0–1 2002 Busan BDM bronze: team |
| Sergey Kopytov | KAZ |
WLF | Olympics | 1996 | 1–0–0 1994 Hiroshima WLF gold: heavyweight I -99 kg |
| Sergey Korepanov | KAZ |
ATH | Olympics | 1996—2004 | 1–1–0 1994 Hiroshima ATH gold: 50 km walk; 1998 Bangkok ATH silver: 50 km walk |
| Isaac Korir | BRN |
ATH | Olympics | 2016 | 0–0–1 2014 Incheon ATH bronze: 10000 m |
| Yelizaveta Korol | KAZ |
SHO | Olympics | 2016 | 0–0–1 2014 Incheon SHO bronze: 50 m small-bore rifle 3 positions team (competed as Yelizaveta Lunina) |
| Noriko Kosai | JPN |
SHO | Olympics | 1984—1992 | 0–2–2 1986 Seoul SHO silver: 50 m small-bore rifle 3 positions team, bronze: 10 m air rifle team; 1990 Beijing SHO silver: 50 m small-bore rifle 3 positions team, bronze: 10 m air rifle team |
| Tadahiro Kosaka | JPN |
ATH | Olympics | 1988—1996 | 0–0–2 1990 Beijing ATH bronze: 50 km walk; 1994 Hiroshima ATH bronze: 50 km walk |
| Shiori Koseki | JPN |
SOF | Olympics | 2000 | 0–1–0 1998 Bangkok SOF silver |
| Yasuhiro Koseki | JPN |
SWM | Olympics | 2016 | 3–5–1 2014 Incheon SWM silver: 50 m breaststroke, 100 m breaststroke, and 4×100 m medley relay, bronze: 200 m breaststroke; 2018 Jakarta/Palembang SWM gold: 50 m breaststroke, 100 m breaststroke, and 200 m breaststroke, silver: 4×100 m medley relay and 4×100 m medley mixed relay |
| Yelena Koshcheyeva | KAZ |
ATH | Olympics | 1996—2004 | 0–0–1 2002 Busan ATH bronze: long jump |
| Kazunori Koshikawa | JPN |
ATH | Olympics | 1976 | 0–1–0 1978 Bangkok ATH silver: high jump |
| Yu Koshikawa | JPN |
VVO | Olympics | 2008 | 0–1–1 2002 Busan VVO bronze; 2014 Incheon VVO silver |
| Hideka Koshimizu | JPN |
SWM | Olympics | 1984 | 1–1–0 1982 New Delhi SWM gold: 400 m medley, silver: 200 m medley |
| Tadanori Koshino | JPN |
JUD | Olympics | 1992 | 1–0–0 1990 Beijing JUD gold: extra-lightweight -60 kg |
| Mari Kosuge | JPN |
GAR | Olympics | 1992 | 0–2–0 1990 Beijing GAR silver: floor; 1994 Hiroshima GAR silver: team |
| Wiradech Kothny | GER THA |
FEN | Olympics | 2000—2008 | 0–0–2 2006 Doha FEN bronze: sabre and sabre team (competed for Thailand) |
| Aleksandra Kotlyarova | UZB |
ATH | Olympics | 2012 | 0–1–0 2014 Incheon ATH silver: triple jump |
| Emiko Koumaru | JPN |
ATH | Olympics | 1964 | 0–1–0 1966 Bangkok ATH silver: long jump |
| Viktoriya Kovyreva | KAZ |
ATH | Olympics | 2000—2004 | 0–0–1 2002 Busan ATH bronze: 200 m |
| Takaharu Koyama | JPN |
ATH | Olympics | 1972—1976 | 1–0–0 1974 Tehran ATH gold: 3000 m steeplechase |
| Tsutomu Koyama | JPN |
VVO | Olympics / Coach | 1964—1976 | 3–0–0 1958 Tokyo VVO gold: six-a-side; 1962 Jakarta VVO gold: six-a-side and nine-a-side |
| Olga Kozhevnikova | KAZ |
GAR | Olympics | 1996 | 0–0–2 1998 Bangkok GAR bronze: balance beam and team |
| Juttaporn Krasaeyan | THA |
ATH | Olympics | 2004 | 0–0–2 1998 Bangkok ATH bronze: shot put; 2002 Busan ATH bronze: shot put |
| Vadim Kravchenko | KAZ |
CTR | Olympics | 1996—2000 | 3–3–1 1994 Hiroshima CRD gold: 4000 m pursuit individual, silver: points race and 4000 m pursuit team; 1998 Bangkok CRD gold: 4000 m pursuit individual, silver: 4000 m pursuit team; 2002 Busan CRD gold: 4000 m pursuit individual, bronze: 4000 m pursuit team |
| Tambusamy Krishnan | MAS |
ATH | Olympics | 1968—1972 | 1–1–2 1966 Bangkok ATH gold: 4×100 m relay, silver: 4×400 m relay, bronze: 200 m; 1970 Bangkok ATH bronze: 4×400 m relay |
| Samaisuk Krissanasuwan | THA |
CTR | Olympics | 1964 | 1–1–1 1962 Jakarta CRD bronze: road time trial team; 1966 Bangkok CRD gold: 1600 m mass start, silver: 4000 m pursuit team |
| Aleksey Krupnyakov | KGZ |
WRE | Olympics | 2004—2008 | 0–1–1 2002 Busan WRE silver: freestyle heavyweight -96 kg; 2006 Doha WRE bronze: freestyle heavyweight -96 kg |
| Ku Chin-Shui | TPE |
ATH | Olympics | 1984 | 0–1–0 1990 Beijing ATH silver: decathlon |
| Ku Kuo-Chian | TPE |
BBL | Olympics | 1992 | 0–0–0 1990 Beijing BSB gold (demonstration event) |
| Kuan Chia-Hsien | TPE |
SWM | Olympics | 2000 | 0–0–1 1998 Bangkok SWM bronze: 4×200 m freestyle relay |
| Kuang Lubin | CHN |
BKB | Olympics | 1984 | 1–1–0 1978 Bangkok BKB gold; 1982 New Delhi BKB silver |
| Kanji Kubo | JPN |
SHO | Olympics | 1964—1976 | 4–1–1 1970 Bangkok SHO gold: 25 m centre fire pistol team, 25 m rapid-fire pistol, and 25 m rapid-fire pistol team; 1974 Tehran SHO gold: 25 m standard pistol team, silver: 25 m rapid-fire pistol, bronze: 25 m rapid-fire pistol team |
| Kazushige Kuboki | JPN |
CTR | Olympics | 2016 | 0–0–1 2014 Incheon CRD bronze: 4000 m pursuit team |
| Satomi Kubokura | JPN |
ATH | Olympics | 2008—2016 | 0–2–1 2006 Doha ATH silver: 400 m hurdles; 2010 Guangzhou ATH bronze: 400 m hurdles; 2014 Incheon ATH silver: 400 m hurdles |
| Minoru Kubota | JPN |
WLF | Olympics | 1960 | 0–2–1 1951 New Delhi WLF bronze: lightweight -67.5 kg; 1954 Manila WLF silver: lightweight -67.5 kg; 1958 Tokyo WLF silver: light-heavyweight -82.5 kg |
| Nataliya Kubrina | KAZ |
HBL | Olympics | 2008 | 0–2–0 2002 Busan HBL silver; 2006 Doha HBL silver |
| Akio Kudo | JPN |
HOC | Olympics | 1968 | 0–0–1 1966 Bangkok HOC bronze |
| Akira Kudo | JPN |
WRE | Olympics | 1976 | 1–0–0 1974 Tehran WRE gold: freestyle light-flyweight -48 kg |
| Kui Yuanyuan | CHN |
GAR | Olympics | 1996—2000 | 2–1–0 1998 Bangkok GAR gold: horse vault and team, silver: floor |
| Mikhail Kukushkin | KAZ |
TEN | Olympics | 2012—2020 | 1–0–0 2014 Incheon TEN gold: team |
| Sriyani Kulawansa | SRI |
ATH | Olympics / Other | 1992—2000 | 0–0–1 1998 Bangkok ATH bronze: 100 m hurdles |
| Anna Kulkina | KAZ |
SWA | Olympics | 2012 | 0–0–2 2006 Doha SWA bronze: duet; 2010 Guangzhou SWA bronze: combination |
| Rattikan-Siripuch Kulnoi | THA |
WLF | Olympics | 2012—2016 | 0–0–1 2014 Incheon WLF bronze: lightweight -58 kg (competed as Rattikan Kulnoi) |
| Saki Kumagai | JPN |
FBL | Olympics | 2012—2020 | 1–0–0 2010 Guangzhou FBL gold |
| Anil Kumar Sangwan | IND |
ATH | Olympics | 2004 | 0–1–1 1998 Bangkok ATH silver: discus throw; 2002 Busan ATH bronze: discus throw |
| Ashok Kumar | IND |
WRE | Olympics | 1980 | 0–0–1 1982 New Delhi WRE bronze: freestyle bantamweight -57 kg |
| Ashok Kumar | IND |
HOC | Olympics | 1972—1976 | 0–3–0 1970 Bangkok HOC silver; 1974 Tehran HOC silver; 1978 Bangkok HOC silver |
| Charanjit Kumar | IND |
HOC | Olympics | 1980—1984 | 0–1–0 1982 New Delhi HOC silver |
| Dinesh Kumar | IND |
BOX | Olympics | 2008 | 0–1–0 2010 Guangzhou BOX silver: light-heavyweight -81 kg |
| Praveen Kumar | IND |
ATH | Olympics | 1968—1972 | 2–1–1 1966 Bangkok ATH gold: discus throw, bronze: hammer throw; 1970 Bangkok ATH gold: discus throw; 1974 Tehran ATH silver: discus throw |
| Sanjeev Kumar | IND |
HOC | Olympics | 1996 | 0–1–0 1994 Hiroshima HOC silver |
| Surender Kumar | IND |
HOC | Olympics | 2016—2020 | 0–0–1 2018 Jakarta/Palembang HOC bronze |
| Sushil Kumar | IND |
WRE | Olympics / Other | 2004—2012 | 0–0–1 2006 Doha WRE bronze: freestyle welterweight -66 kg |
| Vijay Kumar | IND |
SHO | Olympics | 2012 | 1–1–3 2006 Doha SHO gold: 25 m center fire pistol team, bronze: 25 m rapid-fire pistol; 2010 Guangzhou SHO bronze: 10 m air pistol and 25 m center fire pistol; 2014 Incheon SHO silver: 25 m centre fire pistol team |
| Vimal Kumar | IND |
BDM | Olympics | 1992 | 0–0–1 1986 Seoul BDM bronze: team |
| Deepika Kumari | IND |
ARC | Olympics | 2012—2020 | 0–0–1 2010 Guangzhou ARC bronze: team |
| Naoko Kume | JPN |
SWM | Olympics | 1984 | 0–2–0 1978 Bangkok SWM silver: 100 m butterfly and 200 m butterfly |
| Sarapong Kumsup | THA |
ATH | Olympics | 1992 | 0–1–0 1994 Hiroshima ATH silver: 4×400 m relay |
| Canagasabai Kunalan | MAS SGP |
ATH | Olympics / Administrator | 1964—2008 | 0–1–4 1966 Bangkok ATH silver: 100 m, bronze: 4×400 m relay (competed for Singapore); 1970 Bangkok ATH bronze: 100 m and 200 m (competed for Singapore); 1974 Tehran ATH bronze: 4×100 m relay (competed for Singapore) |
| Sony Dwi Kuncoro | INA |
BDM | Olympics | 2004—2008 | 0–0–2 2006 Doha BDM bronze: team; 2010 Guangzhou BDM bronze: team |
| Nameirakpam Kunjarani Devi | IND |
WLF | Olympics | 2004 | 0–0–2 1990 Beijing WLF bronze: flyweight -44 kg; 1994 Hiroshima WLF bronze: flyweight -46 kg |
| Ayaka Kuno | JPN |
CSP | Olympics | 2008 | 0–0–1 2010 Guangzhou CSP bronze: K4 500 m |
| Kuo Lee Chien-Fu | TPE |
BBL | Olympics | 1992 | 0–0–1 1990 Beijing BSB gold (demonstration event); 1998 Bangkok BSB bronze |
| Kuo Cheng-Wei | TPE |
ARC | Olympics | 2008—2012 | 0–1–2 2006 Doha ARC silver: team, bronze: individual; 2014 Incheon ARC bronze: individual |
| Kuo Hsing-Chun | TPE |
WLF | Olympics / YOG / Other | 2010—2020 | 1–0–0 2018 Jakarta/Palembang WLF gold: lightweight -58 kg |
| Kuo Yen-Wen | TPE |
BBL | Olympics | 2008 | 0–2–0 2010 Guangzhou BSB silver; 2014 Incheon BSB silver |
| Kuo Yi-Hang | TPE |
WLF | Olympics | 2000 | 0–1–0 1994 Hiroshima WLF silver: middleweight -64 kg (competed as Kuo Shu-Fen) |
| Norihiko Kurahashi | JPN |
SWM | Olympics | 1952 | 0–1–0 1954 Manila SWM silver: 100 m backstroke |