Host cities:
World Indoor Games
World Indoor Championships
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Chidi Imoh | ATH | Olympics | 1984—1992 | 0–0–1 1991 Sevilla bronze: 60 m | |
| Kyriakos Ioannou | ATH | Olympics | 2004—2016 | 0–0–1 2008 Valencia bronze: high jump | |
| Yelena Isinbayeva | ATH | Olympics / Administrator / Torch Bearer / Olympic Flagbearer | 2000—2016 | 4–1–0 2003 Birmingham silver: pole vault; 2004 Budapest gold: pole vault; 2006 Moskva gold: pole vault; 2008 Valencia gold: pole vault; 2012 İstanbul gold: pole vault | |
| Grace Jackson-Small | ATH | Olympics | 1984—1992 | 0–1–1 1987 Indianapolis bronze: 200 m (competed as Grace Jackson); 1989 Budapest silver: 200 m (competed as Grace Jackson) | |
| Bershawn Jackson | ATH | Olympics | 2008 | 1–0–0 2010 Doha gold: 4×400 m relay | |
| Colin Jackson | ATH | Olympics | 1988—2000 | 1–3–0 1989 Budapest silver: 60 m hurdles; 1993 Toronto silver: 60 m hurdles; 1997 Paris silver: 60 m hurdles; 1999 Maebashi gold: 60 m hurdles | |
| Mark Jackson | ATH | Olympics | 1992 | 0–0–0 1993 Toronto bronze: 1600 m (800-200-200-400) medley relay (Non-championship event) | |
| Regina Jacobs | ATH | Olympics | 1988—1996 | 2–0–1 1995 Barcelona gold: 1500 m; 1999 Maebashi bronze: 3000 m; 2003 Birmingham gold: 1500 m | |
| Maryam Jamal | ATH | Olympics | 2008—2012 | 0–1–2 2006 Moskva bronze: 1500 m; 2008 Valencia silver: 1500 m; 2014 Sopot bronze: 3000 m | |
| Richard James | ATH | Non-starter | 2004 | 1–0–0 2004 Budapest gold: 4×400 m relay | |
| Agata Jaroszek-Karczmarek | ATH/GAR | Olympics | 1980—1996 | 0–0–1 1997 Paris bronze: long jump (competed as Agata Karczmarek) | |
| Tony Jarrett | ATH | Olympics | 1988—2000 | 0–0–1 1995 Barcelona bronze: 60 m hurdles | |
| Jaime Jeffersón | ATH | Olympics | 1992—1996 | 0–1–1 1991 Sevilla silver: long jump; 1993 Toronto bronze: long jump | |
| Pamela Jelimo | ATH | Olympics | 2008—2012 | 1–0–0 2012 İstanbul gold: 800 m | |
| Alhaji Jeng | ATH | Olympics | 2008—2012 | 0–1–0 2006 Moskva silver: pole vault | |
| Chip Jenkins | ATH | Olympics | 1992 | 0–1–0 1991 Sevilla silver: 4×400 m relay | |
| Lynn Jennings | ATH | Olympics | 1988—1996 | 0–1–1 1993 Toronto bronze: 3000 m; 1995 Barcelona silver: 3000 m | |
| Carmelita Jeter | ATH | Olympics | 2012 | 0–1–0 2010 Doha silver: 60 m | |
| Anacleto Jiménez | ATH | Olympics | 1996 | 0–1–0 1995 Barcelona silver: 3000 m | |
| Alysia Johnson-Montaño | ATH | Olympics | 2012 | 0–0–1 2010 Doha bronze: 800 m (competed as Alysia Johnson) | |
| Katarina Johnson-Thompson | ATH | Olympics | 2012—2024 | 1–1–0 2014 Sopot silver: long jump; 2018 Birmingham gold: pentathlon | |
| Allen Johnson | ATH | Olympics | 1996—2004 | 3–1–0 1995 Barcelona gold: 60 m hurdles; 2003 Birmingham gold: 60 m hurdles; 2004 Budapest gold: 60 m hurdles; 2008 Valencia silver: 60 m hurdles | |
| Ben Johnson | ATH | Olympics | 1984—1992 | 1–0–0 1985 Paris gold: 60 m | |
| Lawrence Johnson | ATH | Olympics | 1996—2000 | 1–1–0 1997 Paris silver: pole vault; 2001 Lisboa gold: pole vault | |
| Dusty Jonas | ATH | Olympics | 2008 | 0–0–1 2010 Doha bronze: high jump | |
| LaVerne Jones | ATH | Olympics / Opening Flagbearer / Closing Flagbearer | 2004—2016 | 0–1–0 2010 Doha silver: 60 m | |
| Lolo Jones | ATH/BOB | Olympics | 2008—2014 | 2–0–0 2008 Valencia gold: 60 m hurdles; 2010 Doha gold: 60 m hurdles | |
| Ebba Jungmark | ATH | Olympics | 2012 | 0–1–0 2012 İstanbul silver: high jump | |
| Natasha Kaiser-Brown | ATH | Olympics | 1992 | 0–2–0 1993 Toronto silver: 4×400 m relay; 1997 Paris silver: 4×400 m relay | |
| Abubaker Kaki Khamis | ATH | Olympics / Opening Flagbearer / Closing Flagbearer | 2008—2012 | 2–0–0 2008 Valencia gold: 800 m; 2010 Doha gold: 800 m | |
| Hristina Kalcheva | ATH | Olympics | 2000 | 1–0–0 1999 Maebashi gold: high jump | |
| Susanna Kallur | ATH | Olympics | 2004—2016 | 0–0–1 2006 Moskva bronze: 60 m hurdles | |
| Mujinga Kambundji | ATH | Olympics / Opening Flagbearer | 2012—2024 | 0–0–1 2018 Birmingham bronze: 60 m | |
| Youssef Saad Kamel | ATH | Olympics | 2004—2008 | 0–0–1 2008 Valencia bronze: 800 m | |
| Masayoshi Kan | ATH | Olympics | 1992 | 0–0–2 1993 Toronto bronze: 4×400 m relay; 1995 Barcelona bronze: 4×400 m relay | |
| Anastasiya Kapachinskaya | ATH | Olympics | 2008—2012 | 0–1–0 2003 Birmingham silver: 200 m | |
| Dmitry Karpov | ATH | Olympics | 2004—2012 | 0–0–1 2008 Valencia bronze: heptathlon | |
| Shunji Karube | ATH | Olympics | 1996—2000 | 0–0–1 1997 Paris bronze: 400 m | |
| Oleksiy Kasianov | ATH | Olympics | 2008—2016 | 0–2–0 2012 İstanbul silver: heptathlon; 2016 Portland silver: heptathlon | |
| Šárka Kašpárková | ATH | Olympics | 1992—2004 | 0–0–2 1997 Paris bronze: triple jump (competed for Czech Republic); 1999 Maebashi bronze: triple jump (competed for Czech Republic) | |
| Hanna Kazak | ATH | Olympics / Non-starter | 1996—2008 | 0–2–1 2004 Budapest silver: 4×400 m relay; 2006 Moskva bronze: 4×400 m relay; 2008 Valencia silver: 4×400 m relay | |
| Igors Kazanovs | ATH | Olympics | 1992—1996 | 0–1–1 1989 Budapest bronze: 60 m hurdles (competed for the Soviet Union); 1991 Sevilla silver: 60 m hurdles (competed for the Soviet Union) | |
| Piotr Kędzia | ATH | Olympics / Non-starter | 2004—2008 | 0–1–0 2006 Moskva silver: 4×400 m relay | |
| Sebastián Keitel | ATH | Olympics / Opening Flagbearer | 1996 | 0–0–1 1995 Barcelona bronze: 200 m | |
| Rich Kenah | ATH | Olympics | 2000 | 0–0–1 1997 Paris bronze: 800 m | |
| Sam Kendricks | ATH | Olympics | 2016—2024 | 0–2–0 2016 Portland silver: pole vault; 2018 Birmingham silver: pole vault | |
| Margareta Keszeg | ATH | Olympics | 1992 | 0–2–1 1989 Budapest bronze: 3000 m; 1991 Sevilla silver: 3000 m; 1993 Toronto silver: 3000 m | |
| Natallia Kharaneka-Mikhnevich | ATH | Olympics | 2004—2012 | 1–0–1 2006 Moskva gold: shot put (competed as Natallia Kharaneka); 2010 Doha bronze: shot put (competed as Natallia Mikhnevich) | |
| Iryna Khliustava | ATH | Olympics | 2000—2012 | 0–1–0 2008 Valencia silver: 4×400 m relay | |
| Mohammed Khuwalidi | ATH | Olympics / Opening Flagbearer | 2008 | 0–0–1 2008 Valencia bronze: long jump | |
| Ellen Kießling | ATH | Olympics | 1992 | 0–0–1 1989 Budapest bronze: 800 m (competed for East Germany) | |
| Gary Kikaya | ATH | Olympics / Opening Flagbearer | 2004—2008 | 0–0–1 2004 Budapest bronze: 400 m | |
| Richard Kilty | ATH | Olympics | 2016—2024 | 1–0–0 2014 Sopot gold: 60 m | |
| Roger Kingdom | ATH | Olympics | 1984—1988 | 1–0–0 1989 Budapest gold: 60 m hurdles | |
| Eliud Kipchoge | ATH | Olympics / Olympic Flagbearer / Closing Flagbearer | 2004—2026 | 0–0–1 2006 Moskva bronze: 3000 m | |
| Wilson Kipketer | ATH | Olympics | 2000—2004 | 1–2–0 1997 Paris gold: 800 m; 1999 Maebashi silver: 800 m; 2003 Birmingham silver: 800 m | |
| Samson Kitur | ATH | Olympics | 1992—1996 | 0–1–0 1991 Sevilla silver: 400 m | |
| Nadine Kleinert-Schmitt | ATH | Olympics | 2000—2012 | 0–1–1 2004 Budapest bronze: shot put (competed as Nadine Kleinert); 2006 Moskva silver: shot put (competed as Nadine Kleinert) | |
| Piotr Klimczak | ATH | Olympics | 2004—2008 | 0–1–0 2006 Moskva silver: 4×400 m relay | |
| Ewelina Klocek-Ptak | ATH | Olympics | 2008—2012 | 0–1–0 2016 Portland silver: 4×400 m relay (competed as Ewelina Ptak) | |
| Carolina Klüft | ATH | Olympics | 2004—2008 | 1–0–1 2003 Birmingham gold: pentathlon; 2004 Budapest bronze: long jump | |
| Marita Koch | ATH | Olympics | 1976—1980 | 1–0–0 1985 Paris gold: 200 m | |
| Paul Kipsiele Koech | ATH | Olympics | 2004 | 0–1–0 2008 Valencia silver: 3000 m | |
| Katerina Koffa | ATH | Olympics | 1988—2000 | 1–0–0 1997 Paris gold: 200 m | |
| Robert Korzeniowski | ATH | Olympics / Closing Flagbearer | 1992—2004 | 0–1–0 1993 Toronto silver: 5000 m walk | |
| Irina Korzhanenko | ATH | Olympics | 1996—2004 | 1–0–1 1997 Paris bronze: shot put; 2003 Birmingham gold: shot put | |
| Stefka Kostadinova | ATH | Olympics / Administrator | 1988—2025 | 5–0–0 1985 Paris gold: high jump; 1987 Indianapolis gold: high jump; 1989 Budapest gold: high jump; 1993 Toronto gold: high jump; 1997 Paris gold: high jump | |
| Naděžda Koštovalová | ATH | Olympics | 1996 | 0–1–0 1995 Barcelona silver: 4×400 m relay | |
| Olga Kotlyarova | ATH | Olympics / Non-starter | 1996—2004 | 4–1–0 1997 Paris gold: 4×400 m relay; 1999 Maebashi gold: 4×400 m relay; 2001 Lisboa gold: 4×400 m relay, silver: 400 m; 2004 Budapest gold: 4×400 m relay | |
| Tatyana Kotova | ATH | Olympics | 2000—2008 | 2–2–0 1999 Maebashi gold: long jump; 2001 Lisboa silver: long jump; 2003 Birmingham gold: long jump; 2004 Budapest silver: long jump | |
| Zuzana Kováčiková-Hlavoňová | ATH | Olympics | 1996—2004 | 0–1–0 1999 Maebashi silver: high jump (competed as Zuzana Hlavonová) | |
| Ella Kovacs | ATH | Olympics | 1992 | 0–0–1 1991 Sevilla bronze: 800 m | |
| Olesya Krasnomovets | ATH | Olympics | 2004 | 3–1–0 2004 Budapest gold: 4×400 m relay, silver: 400 m; 2006 Moskva gold: 400 m and 4×400 m relay (competed as Olesya Forsheva) | |
| Andrei Krauchanka | ATH | Olympics | 2008 | 0–2–0 2008 Valencia silver: heptathlon; 2014 Sopot silver: heptathlon | |
| Inesa Kravets | ATH | Olympics | 1988—1996 | 1–1–1 1991 Sevilla gold: triple jump (Non-championship event) (competed for the Soviet Union); 1993 Toronto gold: triple jump, bronze: long jump (competed for Ukraine); 2003 Birmingham silver: long jump (competed for Ukraine) | |
| Łukasz Krawczuk | ATH | Olympics | 2016 | 1–0–0 2018 Birmingham gold: 4×400 m relay | |
| Svetlana Krivelyova | ATH | Olympics | 1992—2004 | 3–0–1 1993 Toronto gold: shot put (competed for Russia); 1999 Maebashi gold: shot put (competed for Russia); 2001 Lisboa bronze: shot put (competed for Russia); 2004 Budapest gold: shot put (competed for Russia) | |
| Jakub Krzewina | ATH | Olympics | 2016—2020 | 1–0–0 2018 Birmingham gold: 4×400 m relay | |
| Adam Kszczot | ATH | Olympics | 2012—2016 | 1–1–1 2010 Doha bronze: 800 m; 2014 Sopot silver: 800 m; 2018 Birmingham gold: 800 m | |
| Jan Kudlička | ATH | Olympics | 2008—2016 | 0–0–1 2014 Sopot bronze: pole vault | |
| Yekaterina Kulikova | ATH | Olympics | 1996 | 1–0–0 1995 Barcelona gold: 4×400 m relay | |
| Han Kulker | ATH | Olympics | 1988 | 0–0–1 1987 Indianapolis bronze: 1500 m | |
| Astrid Kumbernuss | ATH | Olympics | 1996—2004 | 0–1–1 1997 Paris silver: shot put; 2003 Birmingham bronze: shot put | |
| Jeannette Kwakye | ATH | Olympics | 2008 | 0–1–0 2008 Valencia silver: 60 m | |
| Erik Kynard | ATH | Olympics | 2012—2016 | 0–0–1 2016 Portland bronze: high jump | |
| Bernard Lagat | ATH | Olympics | 2000—2016 | 3–2–0 2003 Birmingham silver: 1500 m (competed for Kenia); 2004 Budapest gold: 3000 m (competed for Kenia); 2010 Doha gold: 3000 m (competed for the United States); 2012 İstanbul gold: 3000 m (competed for the United States); 2014 Sopot silver: 3000 m (competed for the United States) | |
| Faouzi Lahbi | ATH | Olympics / Opening Flagbearer | 1984—1988 | 0–0–1 1987 Indianapolis bronze: 800 m | |
| Boaz Lalang | ATH | Olympics | 2008 | 0–1–0 2010 Doha silver: 800 m | |
| Yago Lamela | ATH | Olympics | 2000—2004 | 0–2–0 1999 Maebashi silver: long jump; 2003 Birmingham silver: long jump | |
| Fabrice Lapierre | ATH | Olympics | 2008—2016 | 1–1–0 2010 Doha gold: long jump; 2016 Portland silver: long jump | |
| Igor Lapshin | ATH | Olympics | 1988 | 1–0–0 1991 Sevilla gold: triple jump | |
| Inna Lasovskaya | ATH | Olympics | 1996—2000 | 1–0–1 1993 Toronto bronze: triple jump; 1997 Paris gold: triple jump | |
| Renaud Lavillenie | ATH | Olympics / Torch Bearer | 2012—2024 | 3–0–0 2012 İstanbul gold: pole vault; 2016 Portland gold: pole vault; 2018 Birmingham gold: pole vault | |
| Elena Mirela Lavric | ATH | Olympics | 2012 | 0–0–1 2016 Portland bronze: 4×400 m relay | |
| Lillie Leatherwood | ATH | Olympics | 1984—1988 | 0–1–1 1987 Indianapolis silver: 400 m; 1991 Sevilla bronze: 4×400 m relay | |
| Yevgeny Lebedev | ATH | Non-starter | 2004 | 0–0–1 2006 Moskva bronze: 4×400 m relay | |
| Tatyana Lebedeva | ATH | Olympics | 2000—2012 | 3–1–0 2001 Lisboa silver: triple jump; 2004 Budapest gold: long jump and triple jump; 2006 Moskva gold: triple jump | |
| Jan Leitner | ATH | Olympics | 1980 | 1–0–0 1985 Paris gold: long jump | |
| Gérard Lelièvre | ATH | Olympics | 1976—1984 | 1–0–0 1985 Paris gold: 5000 m walk | |
| Deon Lendore | ATH | Olympics | 2012—2020 | 0–0–3 2016 Portland bronze: 400 m and 4×400 m relay; 2018 Birmingham bronze: 400 m | |
| Éloyse Lesueur | ATH | Olympics | 2012 | 1–0–0 2014 Sopot gold: long jump | |
| Tatyana Levina | ATH | Olympics | 2004 | 3–0–0 2004 Budapest gold: 4×400 m relay; 2006 Moskva gold: 4×400 m relay; 2008 Valencia gold: 4×400 m relay | |
| Nigel Levine | ATH | Olympics | 2012—2016 | 0–2–1 2010 Doha bronze: 4×400 m relay; 2012 İstanbul silver: 4×400 m relay; 2014 Sopot silver: 4×400 m relay | |
| Marcin Lewandowski | ATH | Olympics | 2008—2020 | 0–1–0 2018 Birmingham silver: 1500 m | |
| Mark Lewis-Francis | ATH | Olympics | 2004 | 0–0–1 2001 Lisboa bronze: 60 m | |
| Tamsyn Lewis | ATH | Olympics | 2000—2008 | 1–1–0 1999 Maebashi silver: 4×400 m relay; 2008 Valencia gold: 800 m | |
| Li Jinzhe | ATH | Olympics | 2012 | 0–1–0 2014 Sopot silver: long jump | |
| Li Meiju | ATH | Olympics | 2004—2008 | 0–0–1 2008 Valencia bronze: shot put | |
| Kamila Lićwinko | ATH | Olympics | 2016—2020 | 1–0–1 2014 Sopot gold: high jump; 2016 Portland bronze: high jump | |
| Rico Lieder | ATH | Olympics | 1992—1996 | 1–0–0 1991 Sevilla gold: 4×400 m relay | |
| Joanna Linkiewicz | ATH | Olympics | 2016—2020 | 0–1–0 2018 Birmingham silver: 4×400 m relay | |
| Piotr Lisek | ATH | Olympics | 2016—2024 | 0–0–2 2016 Portland bronze: pole vault; 2018 Birmingham bronze: pole vault | |
| Nataliya Lisovskaya | ATH | Olympics | 1988—1992 | 2–0–1 1985 Paris gold: shot put (competed for the Soviet Union); 1987 Indianapolis gold: shot put (competed for the Soviet Union); 1991 Sevilla bronze: shot put (competed for the Soviet Union) | |
| Liu Xiang | ATH | Olympics / Olympic Flagbearer / Closing Flagbearer | 2004—2014 | 1–2–1 2003 Birmingham bronze: 60 m hurdles; 2004 Budapest silver: 60 m hurdles; 2008 Valencia gold: 60 m hurdles; 2012 İstanbul silver: 60 m hurdles | |
| Tim Lobinger | ATH | Olympics | 1996—2008 | 1–0–1 2003 Birmingham gold: pole vault; 2006 Moskva bronze: pole vault | |
| Lev Lobodin | ATH | Olympics | 1996—2004 | 0–1–2 2001 Lisboa bronze: heptathlon (competed for Russia); 2003 Birmingham silver: heptathlon (competed for Russia); 2004 Budapest bronze: heptathlon (competed for Russia) | |
| Priscilla Lopes-Schliep | ATH | Olympics | 2004—2008 | 0–0–1 2010 Doha bronze: 60 m hurdles | |
| Aliuska López | ATH | Olympics | 1992—2004 | 1–0–1 1991 Sevilla bronze: 60 m hurdles (competed for Cuba); 1995 Barcelona gold: 60 m hurdles (competed for Cuba) | |
| Susanne Lorentzon | ATH | Olympics | 1980 | 0–1–0 1985 Paris silver: high jump | |
| Claudia Losch | ATH | Olympics | 1984—1988 | 1–0–1 1987 Indianapolis bronze: shot put; 1989 Budapest gold: shot put | |
| Fița Lovin | ATH | Olympics | 1980—1984 | 0–1–0 1985 Paris silver: 1500 m | |
| Yevgeny Lukyanenko | ATH | Olympics | 2008—2012 | 1–0–0 2008 Valencia gold: pole vault | |
| Nataliya Lupu | ATH | Olympics | 2012—2016 | 0–1–0 2012 İstanbul silver: 800 m | |
| Driss Maazouzi | ATH | Olympics | 1996—2000 | 1–0–0 2003 Birmingham gold: 1500 m (competed for France) | |
| Remigius Machura | ATH | Olympics | 1988 | 1–0–0 1985 Paris gold: shot put | |
| Robert Maćkowiak | ATH | Olympics | 1996—2000 | 1–1–0 1999 Maebashi silver: 4×400 m relay; 2001 Lisboa gold: 4×400 m relay | |
| Tianna Madison-Bartoletta | ATH | Olympics | 2012—2016 | 1–0–2 2006 Moskva gold: long jump (competed as Tianna Madison); 2012 İstanbul bronze: 60 m (competed as Tianna Madison); 2014 Sopot bronze: 60 m (competed as Tianna Bartoletta) | |
| Ade Mafe | ATH | Olympics | 1984 | 0–2–1 1985 Paris silver: 200 m; 1989 Budapest silver: 200 m; 1991 Sevilla bronze: 200 m | |
| Maurren Maggi | ATH | Olympics / Closing Flagbearer | 2000—2012 | 0–1–1 2003 Birmingham bronze: long jump; 2008 Valencia silver: long jump | |
| Jón Arnar Magnússon | ATH | Olympics / Opening Flagbearer | 1996—2004 | 0–1–1 1997 Paris bronze: heptathlon; 2001 Lisboa silver: heptathlon | |
| Tomasz Majewski | ATH | Olympics / Closing Flagbearer | 2004—2016 | 0–0–2 2008 Valencia bronze: shot put; 2012 İstanbul bronze: shot put | |
| Christian Malcolm | ATH | Olympics | 2000—2012 | 0–1–0 2001 Lisboa silver: 200 m | |
| Andra Manson | ATH | Olympics | 2008 | 0–0–1 2008 Valencia bronze: high jump | |
| Talal Mansour | ATH | Olympics | 1984—1992 | 0–0–1 1993 Toronto bronze: 60 m | |
| Luvo Manyonga | ATH | Olympics | 2016 | 0–1–0 2018 Birmingham silver: long jump | |
| Marcin Marciniszyn | ATH | Olympics | 2004—2012 | 0–1–1 2003 Birmingham bronze: 4×400 m relay; 2006 Moskva silver: 4×400 m relay | |
| Bruno Marie-Rose | ATH | Olympics | 1984—1992 | 0–1–0 1987 Indianapolis silver: 200 m | |
| Tereza Marinova | ATH | Olympics | 2000 | 1–0–0 2001 Lisboa gold: triple jump | |
| Hristo Markov | ATH | Olympics | 1988—1992 | 1–0–0 1985 Paris gold: triple jump | |
| Henadziy Maroz | ATH | Olympics | 2004 | 0–0–1 2003 Birmingham bronze: high jump | |
| LaVonna Martin | ATH | Olympics | 1988—1992 | 0–1–0 1993 Toronto silver: 60 m hurdles | |
| Manuel Martínez | ATH | Olympics | 1996—2008 | 1–0–1 2001 Lisboa bronze: shot put; 2003 Birmingham gold: shot put | |
| Mayté Martínez | ATH | Olympics | 2000—2004 | 0–0–1 2003 Birmingham bronze: 800 m | |
| Pascal Martinot-Lagarde | ATH | Olympics | 2016—2020 | 0–2–1 2012 İstanbul bronze: 60 m hurdles; 2014 Sopot silver: 60 m hurdles; 2016 Portland silver: 60 m hurdles | |
| Anita Márton | ATH | Olympics | 2012—2020 | 1–1–0 2016 Portland silver: shot put; 2018 Birmingham gold: shot put | |
| Claudia Marx | ATH | Olympics | 2004 | 0–0–1 2001 Lisboa bronze: 4×400 m relay | |
| Ruslan Mashchenko | ATH | Olympics | 1996—2004 | 0–1–0 2001 Lisboa silver: 4×400 m relay | |
| Pavel Maslák | ATH | Olympics | 2012—2020 | 3–0–0 2014 Sopot gold: 400 m; 2016 Portland gold: 400 m; 2018 Birmingham gold: 400 m | |
| Germaine Mason | ATH | Olympics | 2008 | 0–0–1 2004 Budapest bronze: high jump | |
| Svetlana Masterkova | ATH | Olympics | 1996—2000 | 0–1–0 1993 Toronto silver: 800 m | |
| Michael Mathieu | ATH | Olympics | 2008—2016 | 0–1–0 2016 Portland silver: 4×400 m relay | |
| Fiona May | ATH | Olympics | 1988—2004 | 1–0–0 1997 Paris gold: long jump (competed for Italy) | |
| Kévin Mayer | ATH | Olympics | 2012—2020 | 1–0–0 2018 Birmingham gold: heptathlon | |
| Karin Mayr-Krifka | ATH | Olympics | 2000—2004 | 0–0–1 2004 Budapest bronze: 200 m | |
| Françoise Mbango | ATH | Olympics | 2000—2008 | 0–1–0 2003 Birmingham silver: triple jump | |
| Liz McColgan | ATH | Olympics | 1988—1996 | 0–1–0 1989 Budapest silver: 3000 m | |
| Francena McCorory | ATH | Olympics | 2012—2016 | 2–0–0 2014 Sopot gold: 400 m and 4×400 m relay | |
| Michael McDonald | ATH | Olympics | 1996—2000 | 1–1–1 1997 Paris silver: 4×400 m relay; 2001 Lisboa bronze: 4×400 m relay; 2004 Budapest gold: 4×400 m relay | |
| Danny McFarlane | ATH | Olympics | 2000—2008 | 1–0–2 2001 Lisboa bronze: 400 m and 4×400 m relay; 2003 Birmingham gold: 4×400 m relay | |
| Antonio McKay | ATH | Olympics | 1984—1988 | 2–1–0 1987 Indianapolis gold: 400 m; 1989 Budapest gold: 400 m; 1991 Sevilla silver: 4×400 m relay | |
| Tom McKean | ATH | Olympics | 1988—1992 | 1–0–0 1993 Toronto gold: 800 m | |
| Junior McKee | ATH | Olympics | 2000 | 0–0–1 2003 Birmingham bronze: 400 m | |
| Mark McKoy | ATH | Olympics | 1984—1996 | 1–0–1 1991 Sevilla bronze: 60 m hurdles (competed for Canada); 1993 Toronto gold: 60 m hurdles (competed for Canada) | |
| Anneisha McLaughlin-Whilby | ATH | Olympics | 2016 | 0–1–0 2014 Sopot silver: 4×400 m relay (competed as Anneisha McLaughlin) | |
| Sally McLellan-Pearson | ATH | Olympics | 2008—2012 | 1–1–0 2012 İstanbul gold: 60 m hurdles (competed as Sally Pearson); 2014 Sopot silver: 60 m hurdles (competed as Sally Pearson) | |
| Omar McLeod | ATH | Olympics | 2016 | 1–0–0 2016 Portland gold: 60 m hurdles | |
| Stephenie McPherson | ATH | Olympics / Closing Flagbearer | 2016—2024 | 0–1–0 2014 Sopot silver: 4×400 m relay | |
| Brit McRoberts | ATH | Olympics | 1984 | 0–0–1 1985 Paris bronze: 1500 m | |
| Jenny Meadows | ATH | Olympics | 2008 | 0–1–0 2010 Doha silver: 800 m | |
| Nijolė Medvedeva | ATH | Olympics | 1992 | 0–0–1 1985 Paris bronze: long jump | |
| Heike Meißner | ATH | Olympics | 1992—2000 | 0–0–1 1997 Paris bronze: 4×400 m relay | |
| Pedro Mejía | ATH | Olympics | 2008 | 0–0–1 2008 Valencia bronze: 4×400 m relay | |
| Deresse Mekonnen | ATH | Olympics | 2008 | 2–0–0 2008 Valencia gold: 1500 m; 2010 Doha gold: 1500 m | |
| Meselech Melkamu | ATH | Olympics | 2008 | 0–1–0 2008 Valencia silver: 3000 m | |
| Aleksandr Menkov | ATH | Olympics | 2012 | 0–0–1 2012 İstanbul bronze: long jump | |
| Aries Merritt | ATH | Olympics | 2012 | 1–0–0 2012 İstanbul gold: 60 m hurdles | |
| LaShawn Merritt | ATH | Olympics | 2008—2016 | 1–0–0 2006 Moskva gold: 4×400 m relay | |
| Romain Mesnil | ATH | Olympics | 2000—2012 | 0–0–1 2001 Lisboa bronze: pole vault | |
| Filip Mihaljević | ATH | Olympics | 2016—2024 | 0–0–1 2016 Portland bronze: shot put | |
| Andrea Miklós | ATH | Olympics | 2016—2024 | 0–0–1 2016 Portland bronze: 4×400 m relay | |
| Jearl Miles-Clark | ATH | Olympics | 1992—2004 | 1–1–3 1991 Sevilla bronze: 4×400 m relay (competed as Jearl Miles); 1993 Toronto gold: 1600 m (800-200-200-400) medley relay (Non-championship event), bronze: 400 m (competed as Jearl Miles); 1997 Paris gold: 400 m, silver: 4×400 m relay; 1999 Maebashi bronze: 400 m | |
| Shaunae Miller-Uibo | ATH | Olympics / Opening Flagbearer | 2012—2024 | 0–0–1 2014 Sopot bronze: 400 m | |
| Manteo Mitchell | ATH | Olympics | 2012 | 1–0–0 2012 İstanbul gold: 4×400 m relay | |
| Geir Moen | ATH | Olympics | 1996—2000 | 1–0–0 1995 Barcelona gold: 200 m | |
| Dietmar Mögenburg | ATH | Olympics | 1984—1992 | 0–1–0 1989 Budapest silver: high jump (competed for West Germany) | |
| Sosthene Moguenara | ATH | Olympics | 2012—2016 | 0–0–1 2018 Birmingham bronze: long jump | |
| Malte Mohr | ATH | Olympics | 2012 | 0–2–0 2010 Doha silver: pole vault; 2014 Sopot silver: pole vault | |
| Khotso Mokoena | ATH | Olympics | 2004—2016 | 1–1–0 2008 Valencia gold: long jump; 2010 Doha silver: long jump | |
| California Molefe | ATH | Olympics / Non-starter | 2000—2008 | 0–1–0 2006 Moskva silver: 400 m | |
| Enrique Molina | ATH | Olympics | 1996—2000 | 0–0–1 1993 Toronto bronze: 3000 m | |
| Georganne Moline | ATH | Olympics | 2012 | 1–0–0 2018 Birmingham gold: 4×400 m relay | |
| Silke Möller | ATH | Olympics | 1988 | 1–0–0 1985 Paris gold: 60 m (competed as Silke Gladisch) | |
| Niurka Montalvo | ATH | Olympics | 1996—2004 | 0–0–1 2001 Lisboa bronze: long jump (competed for Spain) | |
| Concepción Montaner | ATH | Olympics | 2000—2016 | 0–0–1 2006 Moskva bronze: long jump | |
| Tim Montgomery | ATH | Olympics | 1996—2000 | 0–1–0 2001 Lisboa silver: 60 m | |
| Javier Moracho | ATH | Olympics | 1980—1988 | 0–1–0 1985 Paris silver: 60 m hurdles | |
| Noureddine Morceli | ATH | Olympics | 1992—2000 | 1–0–0 1991 Sevilla gold: 1500 m | |
| Dinsdale Morgan | ATH | Olympics | 1996—2000 | 0–1–0 1997 Paris silver: 4×400 m relay | |
| Angela Moroșanu | ATH | Olympics | 2004—2012 | 0–0–1 2004 Budapest bronze: 4×400 m relay | |
| Devon Morris | ATH | Olympics | 1984—1992 | 1–0–0 1991 Sevilla gold: 400 m |