Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Sabit Hadžić | BKB | Olympics | 1984 | 0–1–0 1979 Ciudad de México BAS silver | |
| Klaus Haertter | FEN | Olympics | 1976—1980 | 0–1–2 1977 Sofia FEN silver: foil; 1979 Ciudad de México FEN bronze: foil and foil team | |
| Ryunosuke Haga | JUD | Olympics | 2016 | 2–0–0 2011 Shenzhen JUD gold: half-heavyweight -100 kg and team | |
| Kosuke Hagino | SWM | Olympics | 2012—2020 | 2–2–1 2017 Taipei SWI gold: 200 m medley and 4×200 m freestyle relay, silver: 100 m backstroke and 400 m medley, bronze: 4×100 m medley relay | |
| Vlad Hagiu | WPO | Olympics | 1996 | 0–0–1 1981 București WAP bronze | |
| Tomoko Hagiwara | SWM | Olympics | 2000 | 3–5–1 1999 Palma de Mallorca SWI gold: 100 m butterfly, 200 m medley, and 4×100 m medley relay, silver: 100 m backstroke and 200 m backstroke; 2001 Beijing SWI silver: 200 m backstroke, 200 m medley, and 4×200 m freestyle relay, bronze: 4×100 m freestyle relay | |
| Lars Haglund | ATH | Olympics | 1964 | 1–0–0 1965 Budapest ATH gold: discus throw | |
| Aika Hakoyama | SWA | Olympics | 2012—2016 | 0–2–0 2013 Kazan SYN silver: team and team Free Routine Combination | |
| Miki Halika | SWM | Olympics | 2000 | 0–2–1 1997 Catania SWI silver: 400 m medley; 1999 Palma de Mallorca SWI silver: 400 m medley; 2003 Daegu SWI bronze: 400 m medley | |
| Svitlana Haliuk | CTR | Olympics | 2012 | 0–0–1 2011 Shenzhen CYC bronze: 3000 m individual pursuit | |
| Kaye Hall | SWM | Olympics | 1968 | 3–0–0 1970 Torino SWI gold: 100 m backstroke, 4×100 m freestyle relay, and 4×100 m medley relay | |
| Tony Hall | ATH | Olympics | 1976 | 0–0–1 1973 Moskva ATH bronze: javelin throw | |
| Laurence Halsted | FEN | Olympics | 2012—2016 | 0–0–1 2007 Bangkok FEN bronze: foil | |
| Ham Bong-Sil | ATH | Olympics | 2000—2004 | 1–0–0 2001 Beijing ATH gold: half marathon | |
| Pavla Hamáčková | ATH | Olympics | 2000—2004 | 1–0–0 1999 Palma de Mallorca ATH gold: pole vault | |
| Davit Hambardzumyan | DIV | Olympics | 1972—1980 | 0–1–0 1979 Ciudad de México DIV silver: platform | |
| Fabian Hambüchen | GAR | Olympics | 2004—2016 | 1–2–0 2013 Kazan GYM silver: all-around and floor; 2015 Gwangju GYM gold: horizontal bar | |
| William Hamlyn-Harris | ATH | Olympics | 2004 | 0–0–1 2003 Daegu ATH bronze: javelin throw | |
| Dzhavid Hamzatau | WRE | Olympics | 2016 | 0–0–1 2013 Kazan WRE bronze: Greco-Roman light-heavyweight -84 kg | |
| Han Chung-Sik | GAR | Olympics | 1984 | 0–0–1 1985 Kobe GYM bronze: floor | |
| Han Jong-Ok | GAR | Olympics | 2004 | 0–2–0 2005 İzmir GYM silver: uneven bars and team | |
| Han Xue | SWM | Olympics | 1996—2000 | 2–2–1 2001 Beijing SWI gold: 50 m freestyle and 4×100 m medley relay, silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 4×200 m freestyle relay | |
| Sarah Hanffou | TTE | Olympics | 2012—2024 | 0–0–1 2007 Bangkok TTN bronze: team | |
| Cornelia Hanisch | FEN | Olympics | 1976—1984 | 0–2–1 1977 Sofia FEN silver: foil; 1979 Ciudad de México FEN silver: foil, bronze: foil team | |
| Tommy Hannan | SWM | Olympics | 2000 | 1–0–0 1999 Palma de Mallorca SWI gold: 200 m medley | |
| Heidi Hannula | ATH | Olympics | 2000 | 1–0–0 2007 Bangkok ATH gold: 4×100 m relay | |
| Tawin Hanprab | TKW | Olympics / YOG | 2014—2016 | 0–0–1 2017 Taipei TKW bronze: flyweight -58 kg | |
| Jacob Hansford | SWM | Olympics | 2016 | 0–1–2 2015 Gwangju SWI silver: 4×200 m freestyle relay, bronze: 200 m freestyle; 2019 Napoli SWI bronze: 4×200 m freestyle relay | |
| Brooke Hanson | SWM | Olympics | 2004 | 0–1–1 1999 Palma de Mallorca SWI silver: 200 m breaststroke, bronze: 100 m breaststroke | |
| Hisayoshi Harasawa | JUD | Olympics | 2016—2020 | 1–0–0 2015 Gwangju JUD gold: heavyweight +100 kg | |
| András Hargitay | SWM | Olympics | 1972—1980 | 1–0–0 1977 Sofia SWI gold: 400 m medley | |
| Arto Härkönen | ATH | Olympics | 1984 | 0–1–0 1979 Ciudad de México ATH silver: javelin throw | |
| Suzanne Harmes | GAR | Olympics | 2004—2008 | 0–1–0 2005 İzmir GYM silver: all-around | |
| Henning Harnisch | BKB | Olympics | 1992 | 0–0–1 1989 Duisburg BAS bronze (competed for West Germany) | |
| Marlène Harnois | TKW | Olympics | 2012 | 1–0–1 2009 Beograd TKW bronze: lightweight -63 kg; 2011 Shenzhen TKW gold: featherweight -57 kg | |
| Diana Harris | SWM | Olympics | 1968—1972 | 1–2–0 1967 Tokyo SWI gold: 100 m breaststroke, silver: 200 m breaststroke and 4×100 m medley relay | |
| Tora Harris | ATH | Olympics | 2004 | 0–0–1 2001 Beijing ATH bronze: high jump | |
| Kenny Harrison | ATH | Olympics | 1996 | 0–1–0 1987 Zagreb ATH silver: triple jump | |
| Chad Harting | ATH | Olympics | 2000 | 0–1–0 1997 Catania ATH silver: pole vault | |
| Jim Hartung | GAR | Olympics | 1984 | 0–1–3 1983 Edmonton GYM silver: rings, bronze: parallel bars, horizontal bar, and team | |
| Mika Haruna | SWM | Olympics | 1992—1996 | 0–1–0 1997 Catania SWI silver: 200 m butterfly | |
| Jak Ali Harvey | ATH | Olympics | 2016—2020 | 1–0–0 2011 Shenzhen ATH gold: 100 m (competed as Jacques Harvey for Jamaica) | |
| Junya Hasegawa | SWM | Olympics | 2016 | 2–0–1 2015 Gwangju SWI gold: 50 m backstroke and 100 m backstroke, bronze: 4×100 m medley relay | |
| Miho Hashiguchi | GAR | Olympics | 1996 | 0–0–1 1997 Catania GYM bronze: team | |
| Ibrahim Hassan | ATH | Olympics | 1996 | 1–0–0 1993 Buffalo ATH gold: 400 m | |
| Gavin Hassett | ROW | Olympics | 1996—2004 | 0–0–1 1993 Buffalo ROW bronze: lightweight coxless fours | |
| Yoshiaki Hatakeda | GAR | Olympics | 1992—1996 | 1–2–1 1995 Fukuoka GYM gold: team, bronze: pommelled horse; 1997 Catania GYM silver: horizontal bar and team | |
| John Hatch | BKB | Olympics | 1984—1988 | 1–0–0 1983 Edmonton BAS gold | |
| Siobhán Haughey | SWM | Olympics / YOG / Opening Flagbearer | 2014—2024 | 2–0–0 2017 Taipei SWI gold: 100 m freestyle and 200 m freestyle | |
| Ștefan Haukler | FEN | Olympics | 1964—1972 | 0–1–0 1965 Budapest FEN silver: foil team | |
| Norbert Haupert | ATH | Olympics / Administrator | 1960—1999 | 0–0–1 1963 Porto Alegre ATH bronze: 800 m | |
| John Hawes | MPN/SWM | Olympics | 1972—1976 | 0–0–1 1973 Moskva SWI bronze: 200 m backstroke | |
| Brett Hawke | SWM | Olympics | 2000—2004 | 0–1–0 1997 Catania SWI silver: 4×100 m freestyle relay | |
| John Hawkins | ATH | Olympics | 1972 | 0–0–1 1973 Moskva ATH bronze: high jump | |
| Hirotada Hayase | ATH | Olympics | 1960—1964 | 0–1–0 1961 Sofia ATH silver: 4×100 m relay | |
| Akihiro Hayashi | FBL | Non-starter | 2012 | 0–0–1 2009 Beograd FTB bronze | |
| Akira Hayashi | SWM | Olympics | 1992—2000 | 1–3–4 1993 Buffalo SWI silver: 100 m breaststroke, bronze: 200 m breaststroke and 4×100 m medley relay; 1995 Fukuoka SWI gold: 100 m breaststroke, silver: 4×100 m medley relay, bronze: 200 m breaststroke; 1999 Palma de Mallorca SWI silver: 100 m breaststroke, bronze: 4×100 m medley relay | |
| Takuji Hayata | GAR | Olympics / Non-starter | 1964—1968 | 1–0–1 1963 Porto Alegre GYM gold: team, bronze: all-around | |
| Bruce Hayes | SWM | Olympics | 1984 | 1–4–1 1983 Edmonton SWI gold: 200 m freestyle, silver: 400 m freestyle, 400 m medley, 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 1500 m freestyle | |
| Joanna Hayes | ATH | Olympics | 2004 | 0–1–0 1999 Palma de Mallorca ATH silver: 400 m hurdles | |
| Gülnar Haýytbaýewa | JUD | Olympics | 2012 | 0–0–2 2013 Kazan Sambo bronze: -64 kg and belt wrestling freestyle -66 kg | |
| He Chong | DIV | Olympics | 2008—2012 | 2–0–0 2011 Shenzhen DIV gold: 3 m springboard and team | |
| He Jin | WPO | Olympics | 2008—2012 | 2–0–0 2009 Beograd WAP gold; 2011 Shenzhen WAP gold | |
| He Jun | BKB | Olympics | 1992—1996 | 1–0–0 1993 Buffalo BAS gold | |
| He Xiaomin | GRY | Olympics | 1988 | 0–2–2 1991 Sheffield RGY silver: ball and rope, bronze: all-around and hoop | |
| He Zi | DIV | Olympics | 2012—2016 | 3–0–0 2011 Shenzhen DIV gold: 3 m springboard, synchronized springboard, and team | |
| Pat Head | BKB | Olympics / Coach | 1976—1984 | 0–1–0 1973 Moskva BAS silver | |
| Floyd Heard | ATH | Olympics | 2000 | 1–1–0 1987 Zagreb ATH gold: 4×100 m relay, silver: 200 m | |
| Sue Hearnshaw | ATH | Olympics | 1980—1984 | 0–1–0 1981 București ATH silver: 4×100 m relay | |
| Cariola Hechevarría | BKB | Olympics | 1996—2000 | 0–1–0 1997 Catania BAS silver | |
| Kathleen Heddle | ROW | Olympics / Closing Flagbearer | 1992—1996 | 0–1–0 1989 Duisburg ROW silver: coxless fours | |
| Whitney Hedgepeth | SWM | Olympics | 1988—1996 | 2–1–1 1993 Buffalo SWI gold: 200 m backstroke and 4×100 m freestyle relay, silver: 200 m freestyle, bronze: 200 m medley | |
| Lennart Hedmark | ATH | Olympics / Non-starter | 1964—1976 | 0–1–1 1965 Budapest ATH bronze: javelin throw; 1970 Torino ATH silver: decathlon | |
| Hans-Jürgen Hehn | FEN | Olympics | 1972—1976 | 1–0–0 1970 Torino FEN gold: épée team | |
| Jerry Heidenreich | SWM | Olympics | 1972 | 0–1–0 1970 Torino SWI silver: 100 m butterfly | |
| Betty Heidler | ATH | Olympics | 2004—2016 | 1–0–0 2009 Beograd ATH gold: hammer throw | |
| Jutta Heine | ATH | Olympics | 1960—1964 | 2–1–0 1963 Porto Alegre ATH gold: 200 m and 80 m hurdles, silver: 4×100 m relay (competed for West Germany) | |
| Max Heinzer | FEN | Olympics / Opening Flagbearer | 2012—2020 | 1–0–2 2007 Bangkok FEN bronze: épée team; 2009 Beograd FEN gold: épée team; 2013 Kazan FEN bronze: épée | |
| Randy Heisler | ATH | Olympics | 1988 | 1–0–0 1987 Zagreb ATH gold: discus throw | |
| Michaela Hejnová | ATH | Olympics | 2004 | 0–0–1 2003 Daegu ATH bronze: heptathlon | |
| Ryan Held | SWM | Olympics | 2016—2024 | 3–0–0 2017 Taipei SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay | |
| Greet Hellemans | ROW | Olympics | 1980—1984 | 0–0–1 1987 Zagreb ROW bronze: coxless pairs | |
| Andreas Hellmann | SWM | Olympics | 1972 | 0–0–1 1973 Moskva SWI bronze: 4×100 m medley relay | |
| Dave Hemery | ATH | Olympics / Closing Flagbearer | 1968—1972 | 1–0–0 1970 Torino ATH gold: 110 m hurdles | |
| Juli Henner | ATH | Olympics | 1996 | 0–2–0 1993 Buffalo ATH silver: 1500 m (competed as Juli Speights); 1995 Fukuoka ATH silver: 1500 m | |
| Mark Henrich | ATH | Olympics | 1988 | 0–0–1 1989 Duisburg ATH bronze: 4×400 m relay | |
| Tord Henriksson | ATH | Olympics | 1992 | 0–1–0 1989 Duisburg ATH silver: triple jump | |
| Jim Henry | DIV | Olympics | 1968 | 0–2–0 1970 Torino DIV silver: 3 m springboard and platform | |
| Lea Henry | BKB | Olympics | 1984 | 1–1–0 1981 București BAS silver; 1983 Edmonton BAS gold | |
| Heo Jun | FEN | Olympics | 2016 | 0–0–1 2011 Shenzhen FEN bronze: foil | |
| Heo Seon-Mi | GAR | Olympics | 2012 | 0–0–1 2015 Gwangju GYM bronze: team | |
| Iryna Herashchenko | ATH | Olympics | 2016—2024 | 0–2–0 2017 Taipei ATH silver: high jump; 2019 Napoli ATH silver: high jump | |
| Aliaksandra Herasimenia | SWM | Olympics | 2008—2016 | 5–5–2 2007 Bangkok SWI silver: 50 m freestyle and 50 m backstroke; 2009 Beograd SWI gold: 50 m freestyle, silver: 100 m freestyle, bronze: 50 m backstroke; 2011 Shenzhen SWI gold: 50 m freestyle, silver: 50 m backstroke, bronze: 100 m backstroke; 2013 Kazan SWI gold: 50 m freestyle, 100 m freestyle, and 50 m butterfly, silver: 50 m backstroke | |
| Gordie Herbert | BKB | Olympics / Coach | 1984—2024 | 1–0–0 1983 Edmonton BAS gold | |
| John Herbert | ATH/BOB | Olympics | 1984—1994 | 0–0–2 1983 Edmonton ATH bronze: triple jump; 1985 Kobe ATH bronze: triple jump | |
| Llewellyn Herbert | ATH | Olympics | 1996—2004 | 1–0–0 1997 Catania ATH gold: 400 m hurdles | |
| Sabine Herbst-Klenz | SWM | Olympics | 1996—2000 | 0–1–0 1999 Palma de Mallorca SWI silver: 200 m medley (competed as Sabine Herbst) | |
| Anatoliy Herei | FEN | Olympics | 2016—2020 | 0–0–2 2009 Beograd FEN bronze: épée team; 2011 Shenzhen FEN bronze: épée | |
| Christina Hering | ATH | Olympics | 2016—2020 | 0–1–0 2019 Napoli ATH silver: 800 m | |
| Rolf Herings | ATH | Olympics | 1964—1968 | 1–0–1 1961 Sofia ATH bronze: javelin throw (competed for West Germany); 1965 Budapest ATH gold: javelin throw (competed for West Germany) | |
| Anaisis Hernández | JUD | Olympics | 2004—2008 | 0–1–0 2001 Beijing JUD silver: half-middleweight -63 kg | |
| Dolores Hernández | DIV | Olympics | 2016—2020 | 2–2–0 2017 Taipei DIV gold: 1 m springboard; 2019 Napoli DIV gold: synchronized springboard, silver: 3 m springboard and team | |
| Gabriel Hernández | WPO | Olympics / Coach | 2000—2016 | 1–0–0 1999 Palma de Mallorca WAP gold | |
| Marcos Hernández | SWM | Olympics | 2000—2004 | 1–0–0 1997 Catania SWI gold: 100 m freestyle | |
| Melany Hernández | DIV | Olympics | 2016 | 1–0–0 2017 Taipei DIV gold: synchronized springboard | |
| Patricia Hernández | BKB | Olympics | 1992 | 0–1–0 1991 Sheffield BAS silver | |
| Pedro Hernández | FEN | Olympics | 1976—1980 | 0–0–1 1981 București FEN bronze: foil team | |
| Regla Hernández | BKB | Olympics | 1992 | 0–1–0 1993 Buffalo BAS silver | |
| Roberto Hernández | ATH | Olympics | 1992—1996 | 2–1–0 1985 Kobe ATH gold: 4×400 m relay, silver: 400 m; 1989 Duisburg ATH gold: 400 m | |
| Grisel Herrera | BKB | Olympics | 1992—2000 | 0–2–0 1993 Buffalo BAS silver; 1997 Catania BAS silver | |
| Jesús Herrera | ATH | Olympics | 1984—1988 | 0–1–0 1985 Kobe ATH silver: 10000 m | |
| Ruperto Herrera | BKB | Olympics | 1968—1980 | 0–0–1 1970 Torino BAS bronze | |
| Tomás Herrera | BKB | Olympics | 1972—1980 | 0–0–1 1970 Torino BAS bronze | |
| Bernd Herrmann | ATH | Olympics | 1972—1976 | 0–0–1 1973 Moskva ATH bronze: 4×400 m relay | |
| Martin Herrmann | SWM | Olympics | 1988—1992 | 0–1–1 1991 Sheffield SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay (competed for Germany) | |
| Sabine Hertrampf | FEN | Olympics | 1980 | 1–0–0 1979 Ciudad de México FEN gold: foil team | |
| Ivan Heshko | ATH | Olympics / Non-starter | 2000—2008 | 1–0–0 2005 İzmir ATH gold: 1500 m | |
| Paul Hession | ATH | Olympics | 2008—2012 | 0–1–1 2003 Daegu ATH silver: 200 m; 2005 İzmir ATH bronze: 200 m | |
| Jill Hetherington | TEN | Olympics / Non-Medal | 1984—1996 | 2–0–0 1983 Edmonton TEN gold: doubles and mixed doubles | |
| Nicole Hetzer | SWM | Olympics | 2000—2004 | 0–0–2 2005 İzmir SWI bronze: 200 m medley and 400 m medley | |
| Jerzy Hewelt | ATH | Olympics | 1976 | 1–1–0 1975 Roma ATH gold: 4×400 m relay, silver: 400 m hurdles | |
| Ilse Heylen | JUD | Olympics / Closing Flagbearer | 2004—2012 | 0–0–1 1999 Palma de Mallorca JUD bronze: extra-lightweight -48 kg | |
| Penny Heyns | SWM | Olympics | 1992—2000 | 2–1–1 1995 Fukuoka SWI gold: 100 m breaststroke and 200 m breaststroke; 1997 Catania SWI silver: 100 m breaststroke, bronze: 4×100 m medley relay | |
| Cəbrayıl Həsənov | WRE | Olympics | 2012—2016 | 0–1–0 2013 Kazan WRE silver: freestyle middleweight -74 kg | |
| Charlie Hickcox | SWM | Olympics | 1968 | 4–0–0 1967 Tokyo SWI gold: 100 m backstroke, 200 m backstroke, 4×200 m freestyle relay, and 4×100 m medley relay | |
| Nađa Higl | SWM | Olympics | 2008—2012 | 0–2–0 2009 Beograd SWI silver: 100 m breaststroke and 200 m breaststroke | |
| Clinton Hill | ATH | Olympics | 2004—2008 | 0–1–0 2001 Beijing ATH silver: 400 m | |
| Ron Hill | ATH | Olympics | 1964—1972 | 0–0–1 1963 Porto Alegre ATH bronze: 5000 m | |
| Tash Hind | SWM | Olympics | 2008—2012 | 0–1–0 2011 Shenzhen SWI silver: 4×200 m freestyle relay | |
| Sterling Hinds | ATH | Olympics | 1984 | 0–1–0 1983 Edmonton ATH silver: 4×100 m relay | |
| Jürgen Hingsen | ATH | Olympics | 1984—1988 | 0–1–0 1979 Ciudad de México ATH silver: decathlon | |
| Eric Hinrichsen | BKB | Olympics | 2000 | 0–1–0 1997 Catania BAS silver | |
| Yasunari Hirai | OWS | Olympics | 2012—2016 | 0–0–1 2011 Shenzhen SWI bronze: 10 km open water | |
| Hideko Hiranaka | SWM | Olympics | 1992—1996 | 0–1–1 1993 Buffalo SWI bronze: 400 m medley; 1995 Fukuoka SWI silver: 400 m medley | |
| Hiroaki Hiraoka | JUD | Olympics | 2008—2012 | 1–0–0 2007 Bangkok JUD gold: team | |
| Norie Hiro | VVO | Olympics | 1984—1988 | 1–0–0 1985 Kobe VOL gold | |
| Madoka Hisagae | FEN | Olympics | 2004—2008 | 0–0–1 2003 Daegu FEN bronze: sabre team | |
| Ilona Hlaváčková | SWM | Olympics | 2000—2004 | 3–0–2 1999 Palma de Mallorca SWI bronze: 100 m backstroke; 2001 Beijing SWI gold: 50 m backstroke, bronze: 100 m backstroke; 2003 Daegu SWI gold: 50 m backstroke and 100 m backstroke | |
| Ihor Hlavan | ATH | Olympics | 2012—2024 | 1–1–1 2013 Kazan ATH silver: 20 km walk team; 2015 Gwangju ATH gold: 20 km walk team; 2017 Taipei ATH bronze: 20 km walk team | |
| Dimitar Hlebarov | ATH | Olympics | 1960—1964 | 1–0–0 1961 Sofia ATH gold: pole vault | |
| Ruxandra Hociotă | DIV | Olympics | 1980 | 0–0–1 1981 București DIV bronze: 3 m springboard | |
| Chelsea Hodges | SWM | Olympics / YOG | 2018—2020 | 0–0–1 2019 Napoli SWI bronze: 50 m breaststroke | |
| Nataliya Hodunko | GRY | Olympics | 2004—2008 | 1–3–2 2005 İzmir RGY gold: ribbon, silver: ball, clubs, and rope, bronze: individual; 2007 Bangkok RGY bronze: rope | |
| Abby Hoffman | ATH | Olympics / Opening Flagbearer | 1964—1976 | 0–1–1 1965 Budapest ATH bronze: 800 m; 1967 Tokyo ATH silver: 800 m | |
| Gunhild Hoffmeister | ATH | Olympics | 1972—1976 | 1–0–0 1970 Torino ATH gold: 800 m | |
| Franz-Peter Hofmeister | ATH | Olympics | 1976 | 0–1–0 1979 Ciudad de México ATH silver: 400 m | |
| Mike Hogan | ATH | Olympics | 1964 | 0–1–1 1963 Porto Alegre ATH silver: 400 m hurdles, bronze: 110 m hurdles | |
| Gregor Högler | ATH | Olympics | 2000 | 0–2–1 1995 Fukuoka ATH silver: javelin throw; 1997 Catania ATH bronze: javelin throw; 1999 Palma de Mallorca ATH silver: javelin throw | |
| Andy Holden | ATH | Olympics | 1972 | 0–1–0 1970 Torino ATH silver: 3000 m steeplechase | |
| Valentyna Holenkova | GAR | Olympics | 2008 | 0–1–0 2011 Shenzhen GYM silver: team | |
| Adam Holland | ROW | Olympics | 1996 | 0–0–1 1993 Buffalo ROW bronze: coxed fours | |
| Kat Holmes | FEN | Olympics / YOG | 2010—2024 | 0–1–0 2017 Taipei FEN silver: épée team | |
| Małgorzata Hołub-Kowalik | ATH | Olympics | 2016—2020 | 3–1–0 2015 Gwangju ATH gold: 4×400 m relay, silver: 400 m; 2017 Taipei ATH gold: 400 m and 4×400 m relay | |
| Serhiy Holubytskyi | FEN | Olympics | 1992—2000 | 2–3–0 1991 Sheffield FEN silver: foil team (competed for the Soviet Union); 1993 Buffalo FEN gold: foil (competed for Ukraine); 1995 Fukuoka FEN silver: épée team (competed for Ukraine); 1997 Catania FEN gold: foil team, silver: foil (competed for Ukraine) | |
| Yevheniya Homon | GRY | Olympics | 2012—2016 | 1–3–2 2013 Kazan RGY silver: group all-around, bronze: group 10 clubs and group 3 balls + 2 ribbons; 2015 Gwangju RGY gold: group 6 clubs + 2 hoops, silver: group all-around and group 5 ribbons | |
| Artem Honcharenko | SWM | Olympics | 2000 | 0–1–0 1999 Palma de Mallorca SWI silver: 4×200 m freestyle relay | |
| Valeriy Honcharov | GAR | Olympics | 2000—2008 | 0–1–1 2003 Daegu GYM silver: team, bronze: horizontal bar | |
| Tadashi Honda | SWM | Olympics | 1972—1976 | 0–0–1 1970 Torino SWI bronze: 4×100 m medley relay | |
| Hong Ok-Song | JUD | Olympics | 2004 | 1–0–0 2003 Daegu JUD gold: lightweight -57 kg | |
| Hong Un-Jong | GAR | Olympics | 2008—2016 | 2–0–1 2009 Beograd GYM gold: vault, bronze: uneven bars; 2013 Kazan GYM gold: vault | |
| Sasithorn Hongprasert | SHO | Olympics | 2008 | 1–0–1 2007 Bangkok SHO gold: 50 m rifle prone team, bronze: 50 m rifle three positions team | |
| Thelma Hopkins | ATH | Olympics | 1952—1956 | 0–0–1 1961 Sofia ATH bronze: high jump | |
| Oleksandr Horbachuk | FEN | Olympics | 2000 | 2–1–0 1997 Catania FEN gold: épée and épée team; 1999 Palma de Mallorca FEN silver: épée | |
| Hennadiy Horbenko | ATH | Olympics | 2000 | 1–0–0 2003 Daegu ATH gold: 4×400 m relay | |
| Mykola Hordiychuk | WLF | Olympics | 2004 | 0–1–0 2011 Shenzhen WLT silver: heavyweight -105 kg | |
| Yoshihiro Horigome | ATH | Olympics | 2008 | 0–1–0 2005 İzmir ATH silver: 4×400 m relay | |
| Yuya Horihata | SWM | Olympics | 2012 | 0–3–1 2009 Beograd SWI bronze: 400 m medley; 2011 Shenzhen SWI silver: 200 m medley, 400 m medley, and 4×200 m freestyle relay | |
| Ryuji Horii | SWM | Olympics | 1996 | 0–1–0 1995 Fukuoka SWI silver: 200 m backstroke | |
| Adrienn Hormay | FEN | Olympics | 1996—2004 | 4–0–0 1991 Sheffield FEN gold: épée team; 1993 Buffalo FEN gold: épée team; 1995 Fukuoka FEN gold: épée team; 1997 Catania FEN gold: épée team | |
| Valentyna Horpynych-Zhudina | ATH | Olympics | 2008—2012 | 0–1–0 2007 Bangkok ATH silver: 3000 m steeplechase (competed as Valentyna Horpynych) | |
| Thomas Horschel | WRE | Olympics | 1980 | 0–1–0 1981 București WRE silver: Greco-Roman light-heavyweight -90 kg | |
| Oleksandr Horshkovozov | DIV | Olympics | 2012—2016 | 1–0–0 2017 Taipei DIV gold: mixed synchronized platform | |
| Richard Hortness | SWM | Olympics | 2008—2012 | 0–1–0 2007 Bangkok SWI silver: 4×100 m freestyle relay | |
| Gergely Horváth | ATH | Olympics | 2004 | 0–0–1 2001 Beijing ATH bronze: javelin throw | |
| Natsumi Hoshi | SWM | Olympics | 2008—2016 | 0–1–0 2011 Shenzhen SWI silver: 200 m butterfly | |
| Hou Kuang-Wu | TKW | YOG | 2014 | 0–0–1 2019 Napoli bronze: Kyorugi team | |
| Hou Xuemei | ATH | Olympics | 1988 | 1–0–1 1987 Zagreb ATH bronze: discus throw; 1989 Duisburg ATH gold: discus throw | |
| Hou Yuzhuo | TKW | Olympics | 2012 | 0–1–0 2011 Shenzhen TKW silver: featherweight -57 kg | |
| Michael Houlie | SWM | Olympics / YOG / Opening Flagbearer | 2018—2020 | 0–1–0 2019 Napoli SWI silver: 50 m breaststroke | |
| Philippe Houvion | ATH | Olympics | 1980 | 0–1–1 1979 Ciudad de México ATH silver: pole vault; 1981 București ATH bronze: pole vault | |
| Andriy Hovorov | SWM | Olympics / YOG | 2010—2016 | 2–0–1 2013 Kazan SWI gold: 50 m butterfly, bronze: 50 m freestyle; 2017 Taipei SWI gold: 50 m butterfly | |
| Olena Hovorova | ATH | Olympics | 1996—2004 | 2–0–0 1997 Catania ATH gold: triple jump; 1999 Palma de Mallorca ATH gold: triple jump | |
| Denean Howard-Hill | ATH | Olympics | 1984—1992 | 2–0–0 1987 Zagreb ATH gold: 400 m and 4×400 m relay (competed as Denean Howard) | |
| Robert Howard | ATH | Olympics | 1996—2000 | 0–0–1 1997 Catania ATH bronze: triple jump | |
| Paul Howe | SWM | Olympics | 1984—1992 | 0–0–1 1987 Zagreb SWI bronze: 4×200 m freestyle relay | |
| Kate Howey | JUD | Olympics / Opening Flagbearer | 1992—2004 | 0–1–1 1999 Palma de Mallorca JUD bronze: middleweight -70 kg; 2001 Beijing JUD silver: team | |
| Dmytro Hrachov | ARC | Olympics | 2004—2012 | 1–1–2 2005 İzmir ARC gold: recurve team; 2009 Beograd ARC silver: recurve mixed team, bronze: recurve; 2011 Shenzhen ARC bronze: recurve mixed team | |
| Gustav Hraška | BKB | Olympics | 1976—1980 | 0–0–1 1977 Sofia BAS bronze | |
| Snežana Hrepevnik | ATH | Olympics | 1968—1976 | 1–0–0 1970 Torino ATH gold: high jump | |
| Oleksandra Hridasova | GRY | Olympics | 2016 | 1–3–2 2013 Kazan RGY silver: group all-around, bronze: group 10 clubs and group 3 balls + 2 ribbons; 2015 Gwangju RGY gold: group 6 clubs + 2 hoops, silver: group all-around and group 5 ribbons | |
| Nikola Hristov | ATH | Olympics | 1980 | 0–1–1 1977 Sofia ATH silver: shot put; 1979 Ciudad de México ATH bronze: shot put | |
| Pavel Hristov | WRE | Olympics | 1980 | 0–0–1 1977 Sofia WRE bronze: Greco-Roman light-flyweight -48 kg | |
| Tsvetanka Hristova | ATH | Olympics | 1988—2004 | 1–1–0 1985 Kobe ATH silver: discus throw; 1987 Zagreb ATH gold: discus throw | |
| Vladyslav Hryko | GAR | Olympics / YOG | 2014—2016 | 0–1–0 2017 Taipei GYM silver: team | |
| Aliaksandra Hryshyna | CSP | YOG | 2010 | 1–0–0 2013 Kazan CAN gold: K2 500 m | |
| Hsiang Chun-Hsien | ATH | Olympics / YOG | 2010—2016 | 0–0–2 2015 Gwangju ATH bronze: high jump; 2017 Taipei ATH bronze: high jump | |
| Hsieh Su-Wei | TEN | Olympics | 2012—2024 | 1–0–1 2005 Izmir TEN gold: doubles, singles | |
| Hsieh Yu-Hsing | BDM | Olympics | 2008 | 0–1–1 2007 Bangkok BDM silver: doubles, bronze: team | |
| Hsu Jen-Hao | BDM | Olympics | 2012 | 1–0–1 2015 Gwangju BDM bronze: singles; 2017 Taipei BDM gold: team | |
| Hsu Shu-Ching | WLF | Olympics / Closing Flagbearer | 2012—2016 | 0–1–0 2011 Shenzhen WLT silver: featherweight -53 kg |