Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Kuo Cheng-Wei | ARC | Olympics | 2008—2012 | 1–1–0 2005 İzmir ARC gold: recurve; 2009 Beograd ARC silver: recurve team | |
| Kuo Hsing-Chun | WLF | Olympics / YOG / Opening Flagbearer | 2010—2024 | 2–0–0 2013 Kazan WLT gold: lightweight -58 kg; 2017 Taipei WLT gold: lightweight -58 kg | |
| Mitch Kupchak | BKB | Olympics | 1976 | 1–0–0 1973 Moskva BAS gold | |
| Toshiaki Kurasawa | SWM | Olympics | 1992—1996 | 0–0–1 1997 Catania SWI bronze: 200 m medley | |
| Olga Kurban | ATH | Olympics | 2008—2012 | 1–0–0 2011 Shenzhen ATH gold: heptathlon | |
| Soyib Kurbonov | JUD | Olympics | 2016 | 0–0–1 2013 Kazan JUD bronze: half-heavyweight -100 kg | |
| Fumie Kurotori | SWM | Olympics | 1996 | 3–0–0 1995 Fukuoka SWI gold: 200 m medley and 400 m medley; 1997 Catania SWI gold: 400 m medley | |
| Wojciech Kurpiewski | CSP | Olympics | 1988—1992 | 1–1–1 1987 Zagreb CAN gold: K4 500 m, silver: K4 1000 m, bronze: K2 500 m | |
| Rimas Kurtinaitis | BKB | Olympics | 1988—1996 | 1–0–0 1985 Kobe BAS gold | |
| Igor Kushpelev | SWM | Olympics | 1976 | 0–2–1 1977 Sofia SWI silver: 1500 m freestyle, bronze: 400 m freestyle; 1979 Ciudad de México SWI silver: 1500 m freestyle | |
| Dan Kutler | SWM | Olympics | 1996 | 1–0–1 1991 Sheffield SWI gold: 4×100 m medley relay, bronze: 100 m butterfly (competed for the United States) | |
| Toshiki Kuwayama | RU7 | YOG | 2014 | 1–0–0 2019 Napoli RGS gold | |
| Olga Kuzenkova | ATH | Olympics | 2000—2004 | 0–1–0 1997 Catania ATH silver: hammer throw | |
| Valentin Kuzmin | SWM | Olympics | 1960—1968 | 1–1–1 1963 Porto Alegre SWI gold: 200 m butterfly; 1965 Budapest SWI silver: 4×100 m medley relay, bronze: 200 m butterfly | |
| Svetlana Kuzmina | SWM | Olympics | 1988 | 1–0–0 1991 Sheffield SWI gold: 200 m breaststroke | |
| Aleksey Kuznetsov | SWM | Olympics | 1988 | 1–0–0 1991 Sheffield SWI gold: 4×200 m freestyle relay | |
| Andrey Kuznetsov | TEN | Olympics | 2016 | 1–0–0 2013 Kazan TEN gold: mixed doubles | |
| Maksim Kuznetsov | SWM | Olympics | 2004 | 1–0–0 2003 Daegu SWI gold: 4×200 m freestyle relay | |
| Vasily Kuznetsov | ATH | Olympics | 1956—1964 | 2–0–0 1959 Torino ATH gold: pentathlon; 1961 Sofia ATH gold: decathlon | |
| Viktor Kuznetsov | SWM | Olympics | 1980 | 0–0–1 1983 Edmonton SWI bronze: 100 m backstroke | |
| Yevgeny Kuznetsov | DIV | Olympics | 2012—2020 | 4–2–1 2013 Kazan DIV gold: 3 m springboard and synchronized springboard, silver: team; 2017 Taipei DIV gold: synchronized springboard and team, silver: 3 m springboard, bronze: 1 m springboard | |
| Viktor Kuznietsov | ATH | Olympics | 2008—2012 | 1–2–0 2007 Bangkok ATH silver: triple jump; 2011 Shenzhen ATH silver: triple jump; 2013 Kazan ATH gold: triple jump | |
| Nataliya Kuzyutina | JUD | Olympics | 2012—2020 | 1–0–1 2013 Kazan JUD gold: half-lightweight -52 kg, bronze: team | |
| Alona Kvasha | GAR | Olympics | 2000—2004 | 0–1–0 2003 Daegu GYM silver: team | |
| Illia Kvasha | DIV | Olympics | 2008—2016 | 0–2–2 2009 Beograd DIV silver: synchronized springboard, bronze: 3 m springboard; 2011 Shenzhen DIV silver: team, bronze: 1 m springboard | |
| Kornelija Kvesić | BKB | Olympics | 1988 | 0–0–1 1985 Kobe BAS bronze | |
| Vitaliy Kyrylenko | ATH | Olympics | 1996 | 0–0–1 1993 Buffalo ATH bronze: long jump | |
| Anhelina Kysla | GAR | Olympics | 2016 | 0–1–1 2011 Shenzhen GYM silver: team, bronze: uneven bars | |
| Pasquale La Ragione | FEN | Olympics | 1964—1968 | 1–1–1 1963 Porto Alegre FEN bronze: sabre team; 1967 Tokyo FEN gold: sabre team, silver: foil team | |
| Stefano La Rosa | ATH | Olympics | 2016 | 0–0–1 2011 Shenzhen ATH bronze: 5000 m | |
| Tanel Laanmäe | ATH | Olympics | 2016 | 1–0–0 2015 Gwangju ATH gold: javelin throw | |
| Yanely Labrada | TKW | Olympics | 2004 | 0–0–1 2005 İzmir TKW bronze: bantamweight -55 kg | |
| Renāte Lāce | ATH | Olympics | 1964 | 3–1–0 1963 Porto Alegre ATH gold: 100 m and 4×100 m relay, silver: 200 m; 1965 Budapest ATH gold: 4×100 m relay | |
| Audrey Lacroix | SWM | Olympics | 2008—2016 | 1–0–0 2007 Bangkok SWI gold: 200 m butterfly | |
| Bernard Lagat | ATH | Olympics | 2000—2016 | 1–0–0 1999 Palma de Mallorca ATH gold: 1500 m (competed for Kenia) | |
| Guy Lagorce | ATH | Non-starter | 1960 | 0–0–1 1959 Torino ATH bronze: 4×100 m relay | |
| Yevgeny Lagunov | SWM | Olympics | 2004—2012 | 3–1–1 2005 İzmir SWI gold: 100 m freestyle; 2007 Bangkok SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 2013 Kazan SWI gold: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay (swam in heats only) | |
| Barbara Lah | ATH | Olympics | 1996 | 0–0–1 1995 Fukuoka ATH bronze: triple jump | |
| Susanne Lahme | VBV/VVO | Olympics | 1988—2004 | 0–0–1 1987 Zagreb VOL bronze | |
| Abdelmalik Lahoulou | ATH | Olympics | 2016—2020 | 0–1–1 2015 Gwangju ATH silver: 400 m hurdles; 2017 Taipei ATH bronze: 400 m hurdles | |
| Lai Chun Ho | ATH | Olympics | 2008—2012 | 0–0–1 2011 Shenzhen ATH bronze: 4×100 m relay | |
| Zuzana Lajbnerová | ATH | Olympics | 1988 | 0–0–1 1987 Zagreb ATH bronze: heptathlon | |
| Jean-Paul Lakafia | ATH | Olympics | 1984 | 0–0–1 1985 Kobe ATH bronze: javelin throw | |
| Giorgio Lalle | SWM | Olympics | 1976 | 0–0–1 1977 Sofia SWI bronze: 100 m breaststroke | |
| Chris Lambert | ATH | Olympics | 2004 | 1–0–1 2001 Beijing ATH bronze: 100 m; 2003 Daegu ATH gold: 100 m | |
| Joel Lamela | ATH | Olympics | 1992—1996 | 0–0–1 1993 Buffalo ATH bronze: 4×100 m relay | |
| Yevgeniya Lamonova | FEN | Olympics | 2008 | 0–0–3 2003 Daegu FEN bronze: foil and foil team; 2005 İzmir FEN bronze: foil team | |
| Oliver Lampe | SWM | Olympics | 1996 | 0–3–2 1993 Buffalo SWI silver: 200 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 100 m butterfly and 4×200 m freestyle relay | |
| Lan Wei | DIV | Olympics | 1992 | 1–0–0 1991 Sheffield DIV gold: 1 m springboard | |
| Lan Xing | SHO | Olympics | 2012 | 2–0–0 2013 Kazan SHO gold: 50 m rifle three positions team and 50 m rifle prone team | |
| Brent Lang | SWM | Olympics | 1988 | 1–0–0 1987 Zagreb SWI gold: 4×200 m freestyle relay | |
| Peter Lang | SWM | Olympics | 1976—1984 | 0–1–1 1981 București SWI silver: 100 m breaststroke; 1985 Kobe SWI bronze: 4×100 m medley relay | |
| Ellen van Langen | ATH | Olympics | 1992 | 0–1–0 1989 Duisburg ATH silver: 800 m | |
| Lucyna Langer | ATH | Olympics | 1980 | 1–0–0 1979 Ciudad de México ATH gold: 100 m hurdles | |
| Brigita Langerholc | ATH | Olympics | 2000—2008 | 1–1–0 1999 Palma de Mallorca ATH silver: 800 m; 2001 Beijing ATH gold: 800 m | |
| Kathrin Langschwager | VVO | Olympics | 1988 | 0–0–1 1987 Zagreb VOL bronze | |
| Csaba Lantos | VVO | Olympics | 1964 | 0–1–0 1965 Budapest VOL silver | |
| Klaus Lanzarini | SWM | Olympics | 2000 | 0–1–1 1999 Palma de Mallorca SWI silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay | |
| Lao Lishi | DIV | Olympics | 2004 | 2–2–0 2007 Bangkok DIV gold: platform; 2009 Beograd DIV gold: synchronized platform, silver: synchronized springboard and team | |
| Pensiri Laosirikul | WLF | Olympics | 2008 | 0–0–1 2011 Shenzhen WLT bronze: flyweight -48 kg | |
| Svetlana Lapina | ATH | Olympics | 2000 | 0–1–0 1999 Palma de Mallorca ATH silver: high jump | |
| Yevgeny Lapinsky | VVO | Olympics | 1968—1972 | 1–0–0 1965 Budapest VOL gold | |
| Dzmitry Lapkes | FEN | Olympics | 2000—2012 | 0–0–1 1997 Catania FEN bronze: sabre | |
| Igor Lapshin | ATH | Olympics | 1988 | 1–0–0 1989 Duisburg ATH gold: triple jump | |
| Osvaldo Lara | ATH | Olympics / Non-starter | 1976—1980 | 0–0–1 1977 Sofia ATH bronze: 100 m | |
| Karin Larsson | SWM | Olympics | 1956—1960 | 1–1–0 1961 Sofia SWI gold: 100 m freestyle, silver: 100 m butterfly | |
| Natālija Laščonova | GAR | Olympics | 1988 | 1–2–1 1991 Sheffield GYM gold: floor, silver: horse vault and uneven bars, bronze: team | |
| El-Sayed Lashin | TTE | Olympics | 2000—2012 | 0–0–1 2001 Beijing TTN bronze: team | |
| Irina Lashko | DIV | Olympics | 1988—2004 | 0–2–0 1999 Palma de Mallorca DIV silver: 1 m springboard and 3 m springboard (competed for Russia) | |
| Carla Lasi | SWM | Olympics | 1984 | 0–1–0 1985 Kobe SWI silver: 800 m freestyle | |
| Gunta Latiševa-Čudare-Vaičule | ATH | Olympics / Closing Flagbearer | 2016—2024 | 0–1–0 2017 Taipei ATH silver: 200 m | |
| Brigitte Latrille-Gaudin | FEN | Olympics | 1976—1988 | 0–0–1 1977 Sofia FEN bronze: foil team (competed as Brigitte Latrille) | |
| Larisa Latynina | GAR | Olympics | 1956—1964 | 1–1–0 1963 Porto Alegre GYM gold: all-around, silver: team | |
| Anne Marie Lauck | ATH | Olympics | 1996—2000 | 1–0–0 1991 Sheffield ATH gold: 10000 m (competed as Anne Marie Letko) | |
| Svetlana Laukhova | ATH | Olympics | 2000 | 0–0–2 1995 Fukuoka ATH bronze: 100 m hurdles; 1997 Catania ATH bronze: 100 m hurdles | |
| Silken Laumann | ROW | Olympics / Closing Flagbearer | 1984—1996 | 0–0–1 1987 Zagreb ROW bronze: single sculls | |
| Tessa Lavey | BKB | Olympics | 2016—2020 | 0–0–1 2013 Kazan BAS bronze | |
| John Lawlor | ATH | Olympics / Opening Flagbearer | 1960—1964 | 0–0–1 1961 Sofia ATH bronze: hammer throw | |
| Esmie Lawrence | ATH | Olympics | 1988 | 0–1–0 1985 Kobe ATH silver: 4×400 m relay | |
| Micah Lawrence | SWM | Olympics | 2012 | 0–1–0 2011 Shenzhen SWI silver: 4×100 m medley relay (swam in heats only) | |
| Kara Lawson | BKB | Olympics | 2008 | 1–0–0 2001 Beijing BAS gold | |
| Belsy Laza | ATH | Olympics | 1992—1996 | 0–2–0 1989 Duisburg ATH silver: shot put; 1993 Buffalo ATH silver: shot put | |
| Reka Lazăr-Szabo | FEN | Olympics | 1988—2000 | 0–0–1 1995 Fukuoka FEN bronze: foil (competed as Reka Szabo) | |
| Mylène Lazare | SWM | Olympics | 2012 | 0–0–2 2005 İzmir SWI bronze: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Cornelia Lăzeanu | VVO | Olympics | 1964 | 0–1–0 1965 Budapest VOL silver | |
| Roberto Lazzari | SWM | Olympics | 1960 | 1–1–0 1959 Torino SWI gold: 4×100 m medley relay, silver: 200 m breaststroke | |
| Clarisse Le Bihan | FBL | Non-starter | 2016 | 1–0–0 2015 Gwangju FTB gold | |
| Philippe Le Joncour | ATH | Non-starter | 1980 | 0–0–1 1981 București ATH bronze: 4×100 m relay | |
| Monique Le Roux | FEN | Olympics | 1960 | 1–0–1 1959 Torino FEN gold: foil team, bronze: foil | |
| Anastasia Le-Roy | ATH | Non-starter | 2008 | 0–0–2 2011 Shenzhen ATH bronze: 4×100 m relay; 2013 Kazan ATH bronze: 400 m | |
| Le Jingyi | SWM | Olympics | 1992—1996 | 2–0–0 1993 Buffalo SWI gold: 50 m freestyle and 100 m freestyle | |
| Yuliya Leantsiuk | ATH | Olympics | 2016 | 0–1–0 2007 Bangkok ATH silver: shot put | |
| Nataliya Lebedeva | ATH | Olympics | 1976 | 0–0–2 1973 Moskva ATH bronze: 100 m hurdles; 1977 Sofia ATH bronze: 100 m hurdles | |
| Tatyana Lebedeva | ATH | Olympics | 2000—2012 | 1–0–0 2001 Beijing ATH gold: triple jump | |
| Emmanuel Lebesson | TTE | Olympics | 2016—2020 | 0–2–1 2009 Beograd TTN silver: doubles and team; 2011 Shenzhen TTN bronze: team | |
| Serhiy Lebid | ATH | Olympics | 2000—2012 | 3–0–0 1999 Palma de Mallorca ATH gold: 5000 m; 2001 Beijing ATH gold: 5000 m; 2003 Daegu ATH gold: 5000 m | |
| Guillaume LeBlanc | ATH | Olympics | 1984—1992 | 1–0–1 1983 Edmonton ATH gold: 20 km walk; 1985 Kobe ATH bronze: 20 km walk | |
| Céline Lebrun | JUD | Olympics | 2000—2004 | 2–0–0 1999 Palma de Mallorca JUD gold: half-heavyweight -78 kg and team | |
| Camille Lecointre | SAL | Olympics | 2012—2024 | 2–0–0 2005 İzmir SAI gold: 470 women and team | |
| Tatsiana Ledauskaya | ATH | Olympics | 1988—1996 | 0–1–0 1987 Zagreb ATH silver: 4×400 m relay (competed for the Soviet Union) | |
| Lenka Ledvinová | ATH | Olympics | 2008 | 0–0–1 2007 Bangkok ATH bronze: hammer throw | |
| Lee Bok-Hui | JUD | Olympics | 2004 | 0–0–1 2001 Beijing JUD bronze: half-middleweight -63 kg | |
| Lee Byeong-Gu | BKB | Olympics | 1964—1968 | 0–1–0 1967 Tokyo BAS silver | |
| Lee Chang-Hwan | ARC | Olympics | 2008 | 0–2–0 2003 Daegu ARC silver: recurve and recurve team | |
| Lee Chia-Hsin | BDM | Olympics / YOG | 2014—2024 | 2–0–0 2017 Taipei BDM gold: mixed doubles and team | |
| Lee Chih-Kai | GAR | Olympics | 2016—2020 | 2–1–1 2017 Taipei GYM gold: pommelled horse; 2019 Napoli GYM gold: pommelled horse, silver: team, bronze: all-around | |
| Lee Dae-Myeong | SHO | Olympics | 2008—2016 | 5–2–3 2007 Bangkok SHO gold: 10 m air pistol team, bronze: 10 m air pistol, 50 m free pistol, and 50 m free pistol team; 2011 Shenzhen SHO gold: 10 m air pistol, 50 m free pistol, and 10 m air pistol team, silver: 50 m free pistol team; 2013 Kazan gold: 10 m air pistol team, silver: 50 m free pistol team | |
| David Lee | VVO | Olympics | 2008—2016 | 0–0–1 2003 Daegu VOL bronze | |
| Lee Eun-Bi | HBL | Olympics | 2012—2016 | 0–1–0 2015 Gwangju HAN silver | |
| Lee Eun-Gyeong | ARC | YOG | 2014 | 1–0–0 2017 Taipei ARC gold: Recurve team | |
| Lee Eun-Jeong | ATH | Olympics | 2004—2008 | 1–0–0 2005 İzmir ATH gold: half marathon | |
| Lee Gyeong-Su | VVO | Olympics | 2000 | 1–0–0 2003 Daegu VOL gold | |
| Lee Ho-Rim | SHO | Olympics | 2008 | 0–2–0 2007 Bangkok SHO silver: 10 m air pistol team; 2011 Shenzhen SHO silver: 25 m sporting pistol team | |
| Lee Hsiao-Hung | JUD | Olympics | 2000—2004 | 0–0–1 2003 Daegu JUD bronze: open class | |
| Lee Hui-Sol | WLF | Olympics | 2016 | 0–0–1 2013 Kazan WLT bronze: super-heavyweight +75 kg | |
| Lee Hyeong-Taek | TEN | Olympics | 1996—2008 | 2–1–0 1995 Fukuoka TEN silver: singles; 1997 Catania TEN gold: doubles; 1999 Palma de Mallorca TEN gold: singles | |
| Lee In-Pyo | BKB | Olympics | 1968 | 0–1–0 1967 Tokyo BAS silver | |
| Janet Lee | TEN | Olympics | 2000 | 2–1–1 1999 Palma de Mallorca TEN gold: singles and doubles; 2001 Beijing TEN silver: singles, bronze: doubles | |
| Lee Jeong-Myeong | TEN | Olympics | 1988—1992 | 1–0–0 1991 Sheffield TEN gold: doubles | |
| Lee Jin-Taek | ATH | Olympics | 1992—2000 | 1–0–1 1997 Catania ATH gold: high jump; 1999 Palma de Mallorca ATH bronze: high jump | |
| Lee Ju-Hyeong | GAR | Olympics / Referee | 1992—2024 | 0–1–0 1999 Palma de Mallorca GYM silver: horizontal bar | |
| Lee Myeong-Seon | ATH | Olympics | 1996—2000 | 0–2–0 2001 Beijing ATH silver: shot put; 2003 Daegu ATH silver: shot put | |
| Lee Ra-Jin | FEN | Olympics | 2012 | 1–0–1 2011 Shenzhen FEN bronze: sabre team; 2013 Kazan FEN gold: sabre team | |
| Lee Sang-Su | TTE | Olympics | 2016—2020 | 0–0–1 2015 Gwangju TTN bronze: singles | |
| Lee Seon-Seong | GAR | Olympics | 2004 | 1–0–0 2003 Daegu GYM gold: team | |
| Lee Seong-Jin | ARC | Olympics | 2004—2012 | 2–0–0 2005 İzmir ARC gold: recurve and recurve team | |
| Lee Seung-Su | JUD | Olympics | 2016 | 1–1–0 2013 Kazan JUD silver: team; 2017 Taipei JUD gold: half-middleweight -81 kg | |
| Lee Seung-Yun | ARC | Olympics | 2016 | 6–0–0 2015 Gwangju ARC gold: recurve, recurve team, and recurve mixed team; 2017 Taipei ARC gold: recurve, recurve team, and recurve mixed team | |
| Lee Sheng-Mu | BDM | Olympics | 2012—2016 | 0–2–2 2007 Bangkok BDM bronze: team; 2011 Shenzhen BDM silver: doubles and mixed doubles, bronze: team | |
| Lee Sin-Mi | FEN | Olympics | 2004—2008 | 2–0–0 2007 Bangkok FEN gold: sabre and sabre team | |
| Lee So-Hui | BDM | Olympics | 2016—2024 | 3–0–1 2013 Kazan BDM gold: team, bronze: doubles; 2015 Gwangju BDM gold: doubles and team | |
| Lee So-Yeon | JUD | Olympics | 2000—2004 | 0–1–1 2007 Bangkok JUD silver: half-heavyweight -78 kg, bronze: team | |
| Lee Tae-Hun | SAL | Olympics | 2008—2016 | 0–0–1 2011 Shenzhen SAI bronze: RS:X | |
| Lee U-Seok | ARC | Olympics / YOG | 2014—2024 | 2–0–0 2017 Taipei ARC gold: Recurve team; 2019 Napoli ARC gold: Recurve individual | |
| Lee Un-Jae | FBL | Non-starter | 1992—2000 | 0–1–0 1993 Buffalo FTB silver | |
| Lee Won-Hui | JUD | Olympics | 2004 | 2–0–0 2003 Daegu JUD gold: lightweight -73 kg and team | |
| Lee Yeong-Seon | ATH | Olympics | 1992—2000 | 1–0–1 1993 Buffalo ATH gold: javelin throw; 1995 Fukuoka ATH bronze: javelin throw | |
| Lee Yong-Dae | BDM | Olympics | 2008—2016 | 3–0–0 2013 Kazan BDM gold: doubles and team; 2015 Gwangju BDM gold: team | |
| Lee Yong-Gwan | VVO | Olympics | 1972—1976 | 0–0–1 1970 Torino VOL bronze | |
| Lee Yu-Ri | HOC | YOG | 2010 | 1–0–0 2013 Kazan HOK gold | |
| Clément Lefert | SWM | Olympics | 2008—2012 | 0–1–1 2011 Shenzhen SWI silver: 200 m freestyle, bronze: 4×100 m freestyle relay | |
| Pascal Lefèvre | ATH | Olympics | 1988 | 0–1–0 1989 Duisburg ATH silver: javelin throw | |
| Enzo Lefort | FEN | Olympics | 2012—2024 | 0–0–1 2013 Kazan FEN bronze: foil team | |
| Charles Lefrançois | ATH | Olympics | 1996 | 0–1–0 1997 Catania ATH silver: high jump | |
| Lei Chien-Ying | ARC | Olympics | 2012—2024 | 0–1–1 2011 Shenzhen ARC bronze: recurve team; 2017 Taipei ARC silver: recurve team | |
| Lei Sheng | FEN | Olympics / Olympic Flagbearer / Opening Flagbearer | 2008—2016 | 1–1–0 2011 Shenzhen FEN gold: foil team, silver: foil | |
| Gwendolyn Lemaitre | SAL | Olympics | 2008 | 2–0–0 2005 İzmir SAI gold: 470 women and team | |
| Justin Lemberg | SWM | Olympics | 1984 | 1–0–0 1985 Kobe SWI gold: 400 m freestyle | |
| Armin Lemme | ATH | Olympics | 1980 | 1–0–0 1981 București ATH gold: discus throw | |
| Ingrid Lempereur | SWM | Olympics | 1984—1988 | 1–1–0 1987 Zagreb SWI gold: 200 m breaststroke, silver: 100 m breaststroke | |
| Ödön Lendvay | BKB | Olympics | 1964 | 0–0–1 1965 Budapest BAS bronze | |
| Olivier Lenglet | FEN | Olympics | 1984—1992 | 0–1–1 1981 București FEN silver: épée, bronze: épée team | |
| Imre Lengyel | DIV | Olympics | 1996—2000 | 2–0–1 1997 Catania DIV gold: 1 m springboard and 3 m springboard; 2001 Beijing DIV bronze: 1 m springboard | |
| Ferenc Lenkei | SWM | Olympics | 1964 | 0–1–2 1965 Budapest SWI silver: 200 m breaststroke, bronze: 4×100 m freestyle relay and 4×100 m medley relay | |
| María León | BKB | Olympics | 1992—2000 | 0–1–0 1993 Buffalo BAS silver | |
| Silvio Leonard | ATH | Olympics | 1976—1980 | 1–2–0 1973 Moskva ATH silver: 100 m; 1977 Sofia ATH gold: 100 m, silver: 200 m | |
| Luca Leonardi | SWM | Olympics | 2016 | 0–0–1 2011 Shenzhen SWI bronze: 4×100 m medley relay | |
| Giuseppina Leone | ATH | Olympics | 1952—1960 | 2–1–0 1959 Torino ATH gold: 100 m and 200 m, silver: 4×100 m relay | |
| Leong Mun Yee | DIV | Olympics | 2000—2020 | 0–0–2 2011 Shenzhen DIV bronze: synchronized platform and team | |
| Olha Leonova | DIV | Olympics | 2004 | 0–1–0 2001 Beijing DIV silver: team | |
| Galina Leontyeva | VVO | Olympics | 1968—1972 | 1–0–0 1965 Budapest VOL gold | |
| Francesco Lepre | JUD | Olympics | 2000—2004 | 0–0–1 2001 Beijing JUD bronze: middleweight -90 kg | |
| Barbara Lerczak-Janiszewska-Sobotta | ATH | Olympics | 1956—1964 | 1–2–0 1959 Torino ATH silver: 200 m (competed as Barbara Janiszewska); 1961 Sofia ATH gold: 200 m, silver: 4×100 m relay (competed as Barbara Janiszewska) | |
| Cristian Leric | GAR | Olympics | 1996 | 0–1–2 1995 Fukuoka GYM silver: horse vault, bronze: all-around; 1997 Catania GYM bronze: team | |
| Robert Leroux | FEN | Olympics | 1992—1996 | 0–0–2 1991 Sheffield FEN bronze: épée and épée team | |
| Alan Lerwill | ATH | Olympics | 1968—1972 | 1–0–0 1970 Torino ATH gold: long jump | |
| Yoandys Lescay | ATH | Olympics | 2016 | 0–1–0 2017 Taipei ATH silver: 400 m | |
| Gaby Lesch | ATH | Olympics | 1988 | 0–2–0 1989 Duisburg ATH silver: 4×400 m relay; 1991 Sheffield ATH silver: 800 m (competed for Germany) | |
| Svetlana Leseva | ATH | Olympics | 1992 | 1–0–0 1987 Zagreb ATH gold: high jump (competed as Svetlana Isaeva) | |
| Yekaterina Leshchova | ATH | Olympics | 1996 | 1–1–0 1997 Catania ATH gold: 200 m, silver: 4×100 m relay | |
| Lisa Leslie | BKB | Olympics | 1996—2008 | 1–0–0 1991 Sheffield BAS gold | |
| Justin Lester | WRE | Olympics | 2012 | 0–0–1 2005 İzmir WRE bronze: Greco-Roman welterweight -66 kg | |
| Ionel Lețcae | CSP | Olympics | 1984 | 0–1–3 1987 Zagreb CAN silver: K1 500 m, bronze: K1 1000 m, K4 500 m, and K4 1000 m | |
| Vladimir Letnicov | ATH | Olympics | 2004—2016 | 0–0–1 2009 Beograd ATH bronze: triple jump | |
| Laura Letrari | SWM | Olympics | 2012 | 1–1–0 2013 Kazan SWI silver: 4×100 m medley relay (swam in heats only); 2015 Gwangju SWI gold: 4×100 m medley relay | |
| Annick Level | FEN | Olympics | 1964—1968 | 1–2–1 1963 Porto Alegre FEN gold: foil team, silver: foil; 1965 Budapest FEN bronze: foil team; 1967 Tokyo FEN silver: foil | |
| Marylise Lévesque | JUD | Olympics | 2008 | 0–0–1 2007 Bangkok JUD bronze: half-heavyweight -78 kg | |
| Sébastien Levicq | ATH | Olympics | 1996—2000 | 1–0–0 1993 Buffalo ATH gold: decathlon | |
| Brian Lewis | ATH | Olympics | 2000 | 1–0–0 1995 Fukuoka ATH gold: 4×100 m relay (ran in heats only) | |
| Carol Lewis | ATH | Olympics | 1984—1988 | 1–0–0 1981 București ATH gold: 4×100 m relay | |
| Charlotte Lewis | BKB | Olympics | 1976 | 0–1–0 1977 Sofia BAS silver | |
| Greg Lewis | ATH | Olympics | 1968 | 0–0–1 1967 Tokyo ATH bronze: 4×400 m relay | |
| Jason Lezak | SWM | Olympics | 2000—2012 | 2–0–0 1997 Catania SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only) | |
| Li Deliang | DIV | Olympics | 1988 | 1–1–0 1987 Zagreb DIV silver: 3 m springboard; 1991 Sheffield DIV gold: 3 m springboard | |
| Li Dongmei | BKB | Olympics | 1992—1996 | 1–0–0 1993 Buffalo BAS gold | |
| Li Dongna | FBL | Olympics | 2016 | 1–0–0 2011 Shenzhen FTB gold | |
| Li Fengfeng | ATH | Olympics | 2004 | 1–0–0 2003 Daegu ATH gold: shot put | |
| Li Gyong-Hui | GRY | Olympics | 1992 | 3–1–0 1991 Sheffield RGY gold: all-around, ball, and rope, silver: clubs | |
| Li Hongping | DIV | Olympics | 1984 | 1–0–1 1979 Ciudad de México DIV bronze: platform; 1981 București DIV gold: platform | |
| Li Huahua | FEN | Olympics | 1984—1988 | 1–1–0 1983 Edmonton FEN gold: foil team; 1987 Zagreb FEN silver: foil team | |
| Li Jin | SWM | Olympics | 2000 | 0–0–1 2001 Beijing SWI bronze: 4×200 m freestyle relay | |
| Li Juan | VVO | Olympics | 2008 | 1–0–0 2003 Daegu VOL gold | |
| Li Jun | SHO | Olympics | 2012 | 1–0–0 2011 Shenzhen SHO gold: double trap team | |
| Li Kongzheng | DIV | Olympics | 1984—1988 | 1–0–2 1979 Ciudad de México DIV bronze: 3 m springboard; 1981 București DIV bronze: 3 m springboard; 1987 Zagreb DIV gold: platform | |
| Li Ling | ATH | Olympics | 2008—2020 | 1–0–0 2015 Gwangju ATH gold: pole vault | |
| Li Meiju | ATH | Olympics | 2004—2008 | 0–1–0 2005 İzmir ATH silver: shot put | |
| Li Na | DIV | Olympics | 2000 | 1–0–1 2003 Daegu DIV gold: team; 2005 İzmir DIV bronze: platform | |
| Li Na | FEN | Olympics | 2000—2012 | 1–2–3 2001 Beijing FEN gold: épée team, bronze: épée; 2003 Daegu FEN silver: épée team, bronze: épée; 2005 İzmir FEN silver: épée, bronze: épée team | |
| Li Na | TEN | Olympics | 2000—2012 | 3–0–0 2001 Beijing TEN gold: singles, doubles, and mixed doubles | |
| Li Ning | GAR | Olympics / Referee / Torch Bearer | 1984—2008 | 3–3–4 1981 București GYM gold: floor, rings, and pommelled horse, bronze: team; 1987 Zagreb GYM silver: all-around, rings, and team, bronze: floor, horse vault, and parallel bars |