Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Akiko Kitada | HOC | Olympics | 2004 | 0–0–1 2002 Busan HOC bronze | |
| Sumiko Kitada | BDM | Non-Medal | 1988 | 0–2–2 1982 New Delhi BDM silver: team, bronze: singles; 1986 Seoul BDM silver: team, bronze: doubles | |
| Asami Kitagawa | 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 | BKB | Olympics | 1976 | 0–0–1 1982 New Delhi BKB bronze | |
| Kosuke Kitajima | SWM | Olympics / Closing Flagbearer | 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 | EVE | Olympics | 2016—2024 | 1–1–0 2014 Incheon EJP silver: Three-Day Event team; 2018 Jakarta/Palembang EJP gold: Three-Day Event team | |
| Shinobu Kitamoto | 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 | SWM | Olympics | 1968 | 1–1–0 1966 Bangkok SWM gold: 4×200 m freestyle relay, silver: 100 m freestyle | |
| Yushu Kitano | WRE | Olympics | 1952 | 0–1–0 1954 Manila WRE silver: freestyle flyweight -52 kg | |
| Tsubasa Kitatsuru | CTR | Olympics | 2008 | 1–1–0 2006 Doha CRD gold: sprint; 2010 Guangzhou CRD silver: sprint | |
| Andrey Kivilyov | CRD | Olympics | 1996—2000 | 1–0–0 1994 Hiroshima CRD gold: road race | |
| Akira Kiyofuji | ATH | Olympics | 1956 | 1–0–0 1954 Manila ATH gold: 4×100 m relay | |
| Ryoko Kizaki | ATH | Olympics | 2012 | 0–1–0 2014 Incheon ATH silver: marathon | |
| Mary Klass | ATH | Olympics | 1956 | 0–1–0 1954 Manila ATH silver: 100 m | |
| Igor Klimov | WRE | Olympics | 1996 | 0–1–0 1994 Hiroshima WRE silver: freestyle super-heavyweight -130 kg | |
| Inna Klinova | 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 | 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 | SHO | Olympics | 1996 | 0–0–1 1994 Hiroshima SHO bronze: 10 m air pistol team | |
| Ko Bu-Beng | WLF | Olympics | 1956—1960 | 1–0–0 1958 Tokyo WLF gold: middleweight -75 kg | |
| Ryohei Koba | 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 | SWA | Olympics | 2012 | 0–3–0 2010 Guangzhou SWA silver: duet, team, and combination | |
| Hiromi Kobayashi | SWA | Olympics | 2008 | 0–1–0 2006 Doha SWA silver: team | |
| Miwako Kobayashi | SWM | Olympics | 1968 | 1–0–1 1966 Bangkok SWM gold: 4×100 m freestyle relay, bronze: 400 m freestyle | |
| Miyuki Kobayashi | 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 | SHO | Olympics | 2008 | 0–0–2 2010 Guangzhou SHO bronze: 10 m air pistol team and 50 m free pistol team | |
| Takako Kobayashi | JUD | Olympics | 1992 | 0–1–0 1990 Beijing JUD silver: half-middleweight -61 kg | |
| Takashi Kobayashi | WRE | Olympics | 1988 | 1–0–0 1982 New Delhi WRE gold: freestyle light-flyweight -48 kg | |
| Yayoi Kobayashi | FBL | Olympics | 2004 | 0–0–1 2002 Busan FBL bronze | |
| Yoshimi Kobayashi | SBL | Olympics | 2000 | 0–2–0 1990 Beijing SOF silver; 1998 Bangkok SOF silver | |
| Yuriko Kobayashi | ATH | Olympics | 2008 | 0–1–0 2006 Doha ATH silver: 1500 m | |
| Dmitry Koblov | ATH | Olympics | 2016 | 0–0–1 2018 Jakarta/Palembang ATH bronze: 4×400 m mixed relay | |
| Daniyar Kobonov | 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 | 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 | 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 | BKB | Olympics | 1964 | 0–0–1 1970 Bangkok BKB bronze | |
| Chika Kodama | SBL | Olympics | 1996 | 0–1–0 1994 Hiroshima SOF silver | |
| Silvia Koeswandi | FEN | Olympics | 1988 | 0–1–2 1978 Bangkok FEN bronze: foil team; 1990 Beijing FEN silver: épée, bronze: épée team | |
| Junya Koga | 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 | SWM | Olympics | 1956 | 2–0–0 1958 Tokyo SWM gold: 100 m freestyle and 4×100 m medley relay | |
| Toshihiko Koga | JUD | Olympics | 1988—1996 | 0–0–1 1990 Beijing JUD bronze: lightweight -71 kg | |
| Shigeo Kogure | WLF | Olympics | 1960 | 1–0–0 1958 Tokyo WLF gold: bantamweight -56 kg | |
| Koh Chun-Son | ATH | Olympics | 1976—1980 | 0–0–1 1978 Bangkok ATH bronze: marathon | |
| Harumi Kohara | BDM | Olympics | 1992 | 0–1–0 1986 Seoul BDM silver: team | |
| Hirofumi Koike | ATH | Olympics | 1988 | 0–1–0 1986 Seoul ATH silver: 4×100 m relay | |
| Isao Koizumi | VVO | Olympics | 1968 | 2–0–0 1966 Bangkok VVO gold; 1970 Bangkok VVO gold | |
| Fumi Kojima | ATH | Olympics | 1936 | 0–2–0 1951 New Delhi ATH silver: shot put and discus throw | |
| Ippei Kojima | BDM | Non-Medal | 1972 | 0–0–4 1966 Bangkok BDM bronze: team; 1970 Bangkok BDM bronze: singles, mixed doubles, and team | |
| Keiji Kojima | CTR | Olympics | 1992 | 2–0–0 1990 Beijing CRD gold: 1000 m track time trial and 4000 m pursuit team | |
| Yoshio Kojima | ATH | Olympics | 1956 | 1–1–0 1954 Manila ATH gold: hammer throw, silver: shot put | |
| Yukiyo Kojima | VVO | Olympics | 1968 | 1–0–0 1966 Bangkok VVO gold | |
| Mary Kom | BOX | Olympics / Opening Flagbearer / Closing Flagbearer | 2012—2020 | 1–0–1 2010 Guangzhou BOX bronze: flyweight -51 kg; 2014 Incheon BOX gold: flyweight -51 kg | |
| Mary Kom | BOX | Olympics / Opening Flagbearer / Closing Flagbearer | 2012—2020 | 1–0–1 2010 Guangzhou BOX bronze: flyweight -51 kg; 2014 Incheon BOX gold: flyweight -51 kg | |
| Yuichi Komano | FBL | Olympics | 2004 | 0–1–0 2002 Busan FBL silver | |
| Yasuhiro Komazaki | 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 | HOC | Olympics | 2004—2012 | 0–1–1 2006 Doha HOC silver; 2010 Guangzhou HOC bronze | |
| Tomomi Komori | HOC | Olympics | 2004—2008 | 0–1–0 2006 Doha HOC silver | |
| Erika Komura | SWA | Olympics | 2008 | 0–1–0 2006 Doha SWA silver: team | |
| Ami Kondo | JUD | Olympics | 2016 | 0–1–0 2018 Jakarta/Palembang JUD silver: extra-lightweight -48 kg | |
| Masako Kondo | VVO | Olympics | 1964 | 2–0–0 1962 Jakarta VVO gold: six-a-side and nine-a-side | |
| Kong Hye-Ok | FBL | Olympics | 2008 | 1–1–0 2006 Doha FBL gold; 2010 Guangzhou FBL silver | |
| Vivian Kong | FEN | Olympics | 2016—2024 | 0–0–4 2014 Incheon FEN bronze: épée and épée team; 2018 Jakarta/Palembang FEN bronze: épée and épée team | |
| Yvette Kong | SWM | Olympics / YOG | 2010—2016 | 0–0–1 2014 Incheon SWM bronze: 4×100 m medley relay | |
| Hiroyuki Konishi | GAR | Olympics | 1988 | 0–0–1 1986 Seoul GAR bronze: team | |
| Yukari Konishi | 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 | BKB | Olympics | 1956 | 0–0–1 1954 Manila BKB bronze | |
| Ujitoshi Konomi | SHO | Olympics | 1956 | 1–0–0 1958 Tokyo SHO gold: trap | |
| Koo Kien Keat | BDM | Olympics | 2008—2012 | 1–1–1 2006 Doha BDM gold: doubles, bronze: team; 2010 Guangzhou BDM silver: doubles | |
| Gholam Hossein Koohi | CRD/CTR | Olympics | 1972—1976 | 1–1–0 1974 Tehran CRD gold: road race team, silver: road race | |
| Louisa Koon | BDM | Olympics | 2000—2004 | 0–0–1 2002 Busan BDM bronze: team | |
| Sergey Kopytov | WLF | Olympics | 1996 | 1–0–0 1994 Hiroshima WLF gold: heavyweight I -99 kg | |
| Sergey Korepanov | ATH | Olympics | 1996—2004 | 1–1–0 1994 Hiroshima ATH gold: 50 km walk; 1998 Bangkok ATH silver: 50 km walk | |
| Isaac Korir | ATH | Olympics | 2016 | 0–0–1 2014 Incheon ATH bronze: 10000 m | |
| Yelizaveta Korol | SHO | Olympics | 2016 | 0–0–1 2014 Incheon SHO bronze: 50 m small-bore rifle 3 positions team (competed as Yelizaveta Lunina) | |
| Noriko Kosai | 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 | ATH | Olympics | 1988—1996 | 0–0–2 1990 Beijing ATH bronze: 50 km walk; 1994 Hiroshima ATH bronze: 50 km walk | |
| Shiori Koseki | SBL | Olympics | 2000 | 0–1–0 1998 Bangkok SOF silver | |
| Yasuhiro Koseki | 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 | ATH | Olympics | 1996—2004 | 0–0–1 2002 Busan ATH bronze: long jump | |
| Kazunori Koshikawa | ATH | Olympics | 1976 | 0–1–0 1978 Bangkok ATH silver: high jump | |
| Yu Koshikawa | VVO | Olympics | 2008 | 0–1–1 2002 Busan VVO bronze; 2014 Incheon VVO silver | |
| Hideka Koshimizu | SWM | Olympics | 1984 | 1–1–0 1982 New Delhi SWM gold: 400 m medley, silver: 200 m medley | |
| Tadanori Koshino | JUD | Olympics | 1992 | 1–0–0 1990 Beijing JUD gold: extra-lightweight -60 kg | |
| Mari Kosuge | GAR | Olympics | 1992 | 0–2–0 1990 Beijing GAR silver: floor; 1994 Hiroshima GAR silver: team | |
| Wiradech Kothny | FEN | Olympics | 2000—2008 | 0–0–2 2006 Doha FEN bronze: sabre and sabre team (competed for Thailand) | |
| Aleksandra Kotlyarova | ATH | Olympics | 2012 | 0–1–0 2014 Incheon ATH silver: triple jump | |
| Emiko Koumaru | ATH | Olympics | 1964 | 0–1–0 1966 Bangkok ATH silver: long jump | |
| Viktoriya Kovyreva | ATH | Olympics | 2000—2004 | 0–0–1 2002 Busan ATH bronze: 200 m | |
| Takaharu Koyama | ATH | Olympics | 1972—1976 | 1–0–0 1974 Tehran ATH gold: 3000 m steeplechase | |
| Tsutomu Koyama | 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 | GAR | Olympics | 1996 | 0–0–2 1998 Bangkok GAR bronze: balance beam and team | |
| Juttaporn Krasaeyan | ATH | Olympics | 2004 | 0–0–2 1998 Bangkok ATH bronze: shot put; 2002 Busan ATH bronze: shot put | |
| Vadim Kravchenko | 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 | 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 | 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 | 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 | ATH | Olympics | 1984 | 0–1–0 1990 Beijing ATH silver: decathlon | |
| Ku Kuo-Chian | BBL | Olympics | 1992 | 0–0–0 1990 Beijing BSB gold (demonstration event) | |
| Ku Kuo-Chian | BBL | Olympics | 1992 | 0–0–0 1990 Beijing BSB gold (demonstration event) | |
| Kuan Chia-Hsien | SWM | Olympics | 2000 | 0–0–1 1998 Bangkok SWM bronze: 4×200 m freestyle relay | |
| Kuang Lubin | BKB | Olympics | 1984 | 1–1–0 1978 Bangkok BKB gold; 1982 New Delhi BKB silver | |
| Kanji Kubo | 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 | CTR | Olympics | 2016—2024 | 0–0–1 2014 Incheon CRD bronze: 4000 m pursuit team | |
| Satomi Kubokura | 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 | 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 | HBL | Olympics | 2008 | 0–2–0 2002 Busan HBL silver; 2006 Doha HBL silver | |
| Akio Kudo | HOC | Olympics | 1968 | 0–0–1 1966 Bangkok HOC bronze | |
| Akira Kudo | WRE | Olympics | 1976 | 1–0–0 1974 Tehran WRE gold: freestyle light-flyweight -48 kg | |
| Kui Yuanyuan | GAR | Olympics | 1996—2000 | 2–1–0 1998 Bangkok GAR gold: horse vault and team, silver: floor | |
| Mikhail Kukushkin | TEN | Olympics | 2012—2020 | 1–0–0 2014 Incheon TEN gold: team | |
| Sriyani Kulawansa | ATH | Olympics / Opening Flagbearer | 1992—2000 | 0–0–1 1998 Bangkok ATH bronze: 100 m hurdles | |
| Anna Kulkina | SWA | Olympics | 2012 | 0–0–2 2006 Doha SWA bronze: duet; 2010 Guangzhou SWA bronze: combination | |
| Rattikan-Siripuch Kulnoi | WLF | Olympics | 2012—2016 | 0–0–1 2014 Incheon WLF bronze: lightweight -58 kg (competed as Rattikan Kulnoi) | |
| Saki Kumagai | FBL | Olympics | 2012—2024 | 1–0–0 2010 Guangzhou FBL gold | |
| Anil Kumar Sangwan | ATH | Olympics | 2004 | 0–1–1 1998 Bangkok ATH silver: discus throw; 2002 Busan ATH bronze: discus throw | |
| Ashok Kumar | WRE | Olympics | 1980 | 0–0–1 1982 New Delhi WRE bronze: freestyle bantamweight -57 kg | |
| Ashok Kumar | HOC | Olympics | 1972—1976 | 0–3–0 1970 Bangkok HOC silver; 1974 Tehran HOC silver; 1978 Bangkok HOC silver | |
| Charanjit Kumar | HOC | Olympics | 1980—1984 | 0–1–0 1982 New Delhi HOC silver | |
| Dinesh Kumar | BOX | Olympics | 2008 | 0–1–0 2010 Guangzhou BOX silver: light-heavyweight -81 kg | |
| Dinesh Kumar | BOX | Olympics | 2008 | 0–1–0 2010 Guangzhou BOX silver: light-heavyweight -81 kg | |
| Praveen Kumar | 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 | HOC | Olympics | 1996 | 0–1–0 1994 Hiroshima HOC silver | |
| Surender Kumar | HOC | Olympics | 2016—2020 | 0–0–1 2018 Jakarta/Palembang HOC bronze | |
| Sushil Kumar | WRE | Olympics / Opening Flagbearer | 2004—2012 | 0–0–1 2006 Doha WRE bronze: freestyle welterweight -66 kg | |
| Vijay Kumar | 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 | BDM | Olympics | 1992 | 0–0–1 1986 Seoul BDM bronze: team | |
| Deepika Kumari | ARC | Olympics | 2012—2024 | 0–0–1 2010 Guangzhou ARC bronze: team | |
| Naoko Kume | SWM | Olympics | 1984 | 0–2–0 1978 Bangkok SWM silver: 100 m butterfly and 200 m butterfly | |
| Sarapong Kumsup | ATH | Olympics | 1992 | 0–1–0 1994 Hiroshima ATH silver: 4×400 m relay | |
| Canagasabai Kunalan | 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 | BDM | Olympics | 2004—2008 | 0–0–2 2006 Doha BDM bronze: team; 2010 Guangzhou BDM bronze: team | |
| Nameirakpam Kunjarani Devi | WLF | Olympics | 2004 | 0–0–2 1990 Beijing WLF bronze: flyweight -44 kg; 1994 Hiroshima WLF bronze: flyweight -46 kg | |
| Ayaka Kuno | CSP | Olympics | 2008 | 0–0–1 2010 Guangzhou CSP bronze: K4 500 m | |
| Kuo Lee Chien-Fu | BBL | Olympics | 1992 | 0–0–1 1990 Beijing BSB gold (demonstration event); 1998 Bangkok BSB bronze | |
| Kuo Lee Chien-Fu | BBL | Olympics | 1992 | 0–0–1 1990 Beijing BSB gold (demonstration event); 1998 Bangkok BSB bronze | |
| Kuo Cheng-Wei | ARC | Olympics | 2008—2012 | 0–1–2 2006 Doha ARC silver: team, bronze: individual; 2014 Incheon ARC bronze: individual | |
| Kuo Hsing-Chun | WLF | Olympics / YOG / Opening Flagbearer | 2010—2024 | 1–0–0 2018 Jakarta/Palembang WLF gold: lightweight -58 kg | |
| Kuo Yen-Wen | BBL | Olympics | 2008 | 0–2–0 2010 Guangzhou BSB silver; 2014 Incheon BSB silver | |
| Kuo Yi-Hang | WLF | Olympics | 2000 | 0–1–0 1994 Hiroshima WLF silver: middleweight -64 kg (competed as Kuo Shu-Fen) | |
| Norihiko Kurahashi | SWM | Olympics | 1952 | 0–1–0 1954 Manila SWM silver: 100 m backstroke | |
| Kazuhiko Kurata | ROW | Olympics | 1996 | 0–2–0 1990 Beijing ROW silver: eights; 1994 Hiroshima ROW silver: eights | |
| Bakhodir Kurbanov | WRE | Olympics | 1996—2000 | 0–1–1 1994 Hiroshima WRE bronze: Greco-Roman featherweight -62 kg; 1998 Bangkok WRE silver: Greco-Roman lightweight -63 kg | |
| Kurban Kurbanov | WRE | Olympics | 2008—2012 | 0–1–0 2010 Guangzhou WRE silver: freestyle heavyweight -96 kg | |
| Ruslan Kurbanov | ATH | Olympics / YOG | 2010—2020 | 0–1–0 2018 Jakarta/Palembang ATH silver: triple jump | |
| Utkir Kurbanov | JUD | Olympics | 2008 | 0–0–2 2006 Doha JUD bronze: half-heavyweight -100 kg; 2010 Guangzhou JUD bronze: open class | |
| Soyib Kurbonov | JUD | Olympics | 2016 | 0–0–1 2014 Incheon JUD bronze: team | |
| Naoki Kurita | SHO | Olympics | 1996—2000 | 0–0–2 1998 Bangkok SHO bronze: 10 m air rifle team and 50 m small-bore rifle prone | |
| Mayu Kuroda | GAR | Olympics | 2008 | 0–1–0 2006 Doha GAR silver: team | |
| Mamoru Kuroiwa | BOX | Olympics | 1984—1988 | 0–0–1 1986 Seoul BOX bronze: light-flyweight -48 kg | |
| Mamoru Kuroiwa | BOX | Olympics | 1984—1988 | 0–0–1 1986 Seoul BOX bronze: light-flyweight -48 kg | |
| Takaya Kurokawa | FBL | Non-starter | 2004 | 0–1–0 2002 Busan FBL silver | |
| Akane Kuroki | EDR | Olympics | 2016 | 1–0–0 2018 Jakarta/Palembang EJP gold: dressage team | |
| Narumi Kurosu | MPN | Olympics | 2012 | 0–1–0 2014 Incheon MPN silver: team | |
| Fumie Kurotori | SWM | Olympics | 1996 | 0–1–1 1990 Beijing SWM silver: 200 m medley, bronze: 400 m medley | |
| Magomed Kurugliyev | WRE | Olympics | 1996—2004 | 0–1–2 1998 Bangkok WRE bronze: freestyle light-heavyweight -85 kg; 2002 Busan WRE silver: freestyle light-heavyweight -84 kg; 2006 Doha WRE bronze: freestyle light-heavyweight -84 kg | |
| Kie Kusakabe | JUD | Olympics | 2000—2004 | 0–1–1 1998 Bangkok JUD bronze: lightweight -57 kg; 2002 Busan JUD silver: lightweight -57 kg | |
| Tri Kusharyanto | BDM | Olympics | 1996—2004 | 1–1–2 1998 Bangkok BDM gold: team, bronze: mixed doubles; 2002 Busan BDM silver: team, bronze: doubles | |
| Kaori Kusuda | BKB | Olympics | 2004 | 1–0–0 1998 Bangkok BKB gold (competed as Kaori Kawakami) | |
| Chiaki Kusuhara | VBV | Olympics | 2004—2008 | 0–0–2 1998 Bangkok VBV bronze; 2002 Busan VBV bronze | |
| Sarwendah Kusumawardhani | BDM | Olympics | 1992 | 0–1–1 1986 Seoul BDM bronze: team; 1990 Beijing BDM silver: team | |
| Yuliya Kutsko | VVO | Olympics | 2008 | 0–0–1 2010 Guangzhou VVO bronze | |
| Mercy Kuttan-Mathews | ATH | Olympics | 1988 | 0–1–0 1982 New Delhi ATH silver: long jump | |
| Rosa Kutty | ATH | Olympics | 1996—2000 | 0–2–1 1990 Beijing ATH bronze: 800 m; 1998 Bangkok ATH silver: 800 m and 4×400 m relay | |
| Shigeharu Kuwabara | WPO | Olympics / Non-starter | 1964—1968 | 1–0–0 1970 Bangkok WPO gold | |
| Yasuyuki Kuwahara | FBL | Olympics | 1968 | 0–0–1 1966 Bangkok FBL bronze | |
| Sayed Mubarak Al-Kuwari | ATH | Olympics | 1988—1992 | 0–0–1 1994 Hiroshima ATH bronze: 4×100 m relay | |
| Hirokatsu Kuwayama | WPO | Olympics | 1968—1972 | 2–0–0 1966 Bangkok WPO gold; 1970 Bangkok WPO gold | |
| Shermukhammad Kuziyev | WRE | Olympics | 1996 | 0–1–0 1998 Bangkok WRE silver: Greco-Roman super-heavyweight -130 kg | |
| Stanislav Kuzmin | SWM | Olympics | 2008 | 0–0–1 2010 Guangzhou SWM bronze: 4×100 m medley relay | |
| Yelena Kuznetsova | SHO | Olympics | 2008 | 0–0–1 2010 Guangzhou SHO bronze: 10 m air rifle team | |
| Andrey Kvasov | SWM | Olympics | 1996—2000 | 0–0–1 1998 Bangkok SWM bronze: 4×100 m freestyle relay (competed as for Kazakhstan) | |
| Yelena Kvyatkovskaya | ATH | Olympics | 2000 | 0–1–0 1998 Bangkok ATH silver: 4×100 m relay | |
| Kwak Ok-Chol | JUD | Olympics | 2000 | 0–1–0 1998 Bangkok JUD silver: half-middleweight -81 kg | |
| James Kwalia | ATH | Olympics | 2008 | 1–1–0 2006 Doha ATH gold: 5000 m; 2010 Guangzhou ATH silver: 5000 m | |
| Kwee Kiat Sek | FBL | Olympics | 1956 | 0–0–1 1958 Tokyo FBL bronze | |
| Kwok Kam-Hung | FBL | Olympics | 1960 | 1–0–0 1958 Tokyo FBL gold | |
| Mark Kwok | SWM | Olympics | 1996—2000 | 0–0–1 1998 Bangkok SWM bronze: 400 m freestyle | |
| Kwok Yau | FBL | Olympics | 1960 | 1–0–0 1958 Tokyo FBL gold | |
| Kwon Un-Sil | ARC | Olympics | 2008—2012 | 0–0–1 2010 Guangzhou ARC bronze: individual | |
| Kyaw Shein | SHO | Olympics | 1964 | 0–0–2 1966 Bangkok SHO bronze: 30 m rapid-fire pistol team; 1970 Bangkok SHO bronze: 10 m air rifle team | |
| Kye Sun-Hui | JUD | Olympics | 1996—2008 | 1–0–1 1998 Bangkok JUD gold: half-lightweight -52 kg; 2002 Busan JUD bronze: half-lightweight -52 kg | |
| Sol Kyong | JUD | Olympics | 2016 | 0–2–1 2010 Guangzhou JUD silver: middleweight -70 kg; 2014 Incheon JUD silver: half-heavyweight -78 kg, bronze: team | |
| Rogen Ladon | BOX | Olympics | 2016 | 0–1–0 2018 Jakarta/Palembang BOX silver: flyweight -52 kg | |
| Rogen Ladon | BOX | Olympics | 2016 | 0–1–0 2018 Jakarta/Palembang BOX silver: flyweight -52 kg | |
| Lolita Lagrosas | ATH | Olympics | 1964—1968 | 0–2–3 1958 Tokyo ATH silver: high jump; 1966 Bangkok ATH silver: high jump, bronze: pentathlon; 1970 Bangkok ATH bronze: high jump and pentathlon | |
| Anirban Lahiri | GLF | Olympics | 2016—2020 | 0–1–0 2006 Doha GLF silver: team | |
| Lai Chun Ho | ATH | Olympics | 2008—2012 | 0–0–1 2014 Incheon ATH bronze: 4×100 m relay (ran in heats only) | |
| Lai Fang-Mei | ARC | Olympics | 1988—1992 | 0–1–0 1990 Beijing ARC silver: team | |
| Lai Lam-Kwong | BKB | Olympics | 1956 | 0–2–0 1954 Manila BKB silver; 1958 Tokyo BKB silver | |
| Lai Meng-Ting | SBL | Olympics | 2008 | 0–3–1 2006 Doha SOF silver; 2010 Guangzhou SOF bronze; 2014 Incheon SOF silver; 2018 Jakarta/Palembang SOF silver | |
| Lai Runming | WLF | Olympics | 1984 | 1–0–0 1986 Seoul WLF gold: featherweight -60 kg | |
| Lai Sheng-Jung | SBL | Olympics / Opening Flagbearer | 2004—2008 | 0–2–1 1998 Bangkok SOF bronze; 2002 Busan SOF silver; 2006 Doha SOF silver | |
| Lai Yawen | VVO | Olympics | 1992—1996 | 2–1–0 1990 Beijing VVO gold; 1994 Hiroshima VVO silver; 1998 Bangkok VVO gold | |
| Lai Zhongjian | SWM | Olympics | 2004—2008 | 0–1–0 2006 Doha SWM silver: 4×100 m medley relay | |
| Birendra Lakra | HOC | Olympics | 2012—2020 | 1–0–1 2014 Incheon HOC gold; 2018 Jakarta/Palembang HOC bronze | |
| Sunita Lakra | HOC | Olympics | 2016 | 0–1–1 2014 Incheon HOC bronze; 2018 Jakarta/Palembang HOC silver | |
| Mohinder Lal | HOC | Olympics | 1960—1964 | 1–0–0 1966 Bangkok HOC gold | |
| Lam Hin Chung | FEN | Olympics | 2012 | 0–0–3 2014 Incheon FEN bronze: sabre and sabre team; 2018 Jakarta/Palembang FEN bronze: sabre team | |
| Patrick Lam | EJP | Olympics | 2008 | 0–0–1 2010 Guangzhou EJP bronze: jumping team | |
| Samantha Lam | EJP | Olympics | 2008 | 0–0–1 2010 Guangzhou EJP bronze: jumping team | |
| Spencer Lam | FBL | Olympics | 1960 | 1–0–0 1958 Tokyo FBL gold |