| Name | Nation | Sport | Games | Notes |
|---|
| Mo Huilan | China | Artistic gymnastics | 1996 Summer | |
| Mo Ji-soo | South Korea | Short track speed skating | 1992 Winter | |
| Mo Ji-yeong | Field hockey | 1988 Summer | |
| José Mò | Brazil | Rowing | 1932 Summer | |
| Mo Ke | China | Basketball | 2004 Summer | |
| Mo Myeong-hui | South Korea | Athletics | 1984 Summer | |
| Mo Tae-bum | Speed skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Mo Wanlan | China | Swimming | 1988 Summer | |
| Hassan Moaffi | United Arab Republic | Shooting | 1960 Summer | |
| Corinne Le Moal | France | Rowing | 1992 Summer | |
| Adel El-Moalem | Egypt | Water polo | 1964 Summer, 1968 Summer | |
| Ismaïl Moalla | Tunisia | Volleyball | 2012 Summer, 2020 Summer | |
| Ahmed Al-Moamari Bashir | Oman | Athletics | 1992 Summer | |
| Magnus Moan | Norway | Nordic combined | 2006 Winter, 2010 Winter, 2014 Winter | |
| Hossein Moarreb | Iran | Wrestling | 1968 Summer | |
| Adham Moataz [ Wikidata ] | Egypt | Fencing | 2024 Summer | |
| Medhat Moataz | 2020 Summer | |
| Hassan Sayed Moawad | Basketball | 1948 Summer | |
| Arvin Moazzami | Iran | Road cycling | 2016 Summer | |
| Bosolo Mobando | Democratic Republic of the Congo | Judo | 1992 Summer | |
| Abbubaker Mobara | South Africa | Football | 2016 Summer | |
| Masoud Mobaraki | Iran | Track cycling | 1976 Summer | |
| David Mobärg | Sweden | Freestyle skiing | 2022 Winter | |
| Erik Mobärg | 2018 Winter, 2022 Winter | |
| Hamid Reza Mobarrez | Iran | Swimming | 2000 Summer | |
| Gholam Hossein Mobaser | Shooting | 1960 Summer, 1964 Summer | |
| Ivar Mobekk | Norway | Ski jumping | 1980 Winter | |
| Mina Mobekk | Sailing | 2024 Summer | |
| Emilie Moberg | Road cycling | 2012 Summer | |
| Lars-Erik Moberg | Sweden | Canoe sprint | 1980 Summer, 1984 Summer, 1988 Summer | |
| Lennart Moberg | Athletics | 1948 Summer | |
| Osvald Moberg | Artistic gymnastics | 1908 Summer | |
| Peer Moberg | Norway | Sailing | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Wilhelm Moberg | Sweden | 1936 Summer | |
| Katharina Mo-Berge | Norway | Cross country skiing | 1968 Winter, 1972 Winter | |
| Tine Moberg-Parker | Canada | Sailing | 1996 Summer | |
| Octávio Mobiglia | Brazil | Swimming | 1952 Summer, 1956 Summer | |
| Joeline Möbius | Germany | Artistic gymnastics | 2008 Summer | |
| Jürgen Möbius | East Germany | Wrestling | 1972 Summer, 1976 Summer | |
| Tormod Mobraaten | Canada | Cross country skiing, Nordic combined, Ski jumping | 1936 Winter, 1948 Winter | |
| Khaled Al-Mobty | Saudi Arabia | Equestrian jumping | 2024 Summer | |
| Josef Moc | Czechoslovakia | Basketball | 1936 Summer | |
| Ladislav Moc | Athletics | 1960 Summer | |
| Ana Mocanu | Romania | Volleyball | 1964 Summer | |
| Diana Mocanu | Swimming | 2000 Summer | |
| Ion Mocanu | Handball | 1992 Summer | |
| André Moccand | Switzerland | Rowing | 1948 Summer | |
| Patrick Mocci-Raoumbe | Gabon | Athletics | 1996 Summer | |
| Steve Mocco | United States | Wrestling | 2008 Summer | |
| Dominique Moceanu | Artistic gymnastics | 1996 Summer | |
| Sitiveni Moceidreke | Fiji | Athletics | 1960 Summer | |
| Sławomir Mocek | Poland | Fencing | 2000 Summer, 2008 Summer | |
| Renato Mocellini | Italy | Bobsleigh | 1956 Winter | |
| Sergio Mocellini | 1964 Winter, 1968 Winter | |
| Sevuloni Mocenacagi | Fiji | Rugby sevens | 2024 Summer | |
| Friedrich Moch | Germany | Cross country skiing | 2022 Winter | |
| Robert Moch | United States | Rowing | 1936 Summer | |
| Aleksey Mochalov | Uzbekistan | Canoe sprint | 2016 Summer | |
| Albert Moché | France | Athletics | 1920 Summer | |
| Hermann Möchel | Germany | Cross country skiing | 1956 Winter | |
| Lineo Mochesane | Lesotho | Taekwondo | 2004 Summer | |
| Clara Mochi | Italy | Fencing | 1980 Summer, 1984 Summer | |
| Kyoko Mochida | Japan | Softball | 1996 Summer | |
| Masanari Mochida | Canoe slalom | 1996 Summer | |
| Sachi Mochida | Swimming | 2016 Summer | |
| Noriko Mochizuki | Artistic gymnastics | 1984 Summer | |
| Shizuo Mochizuki | Athletics | 1932 Summer | |
| Yukio Mochizuki | Biathlon | 2002 Winter | |
| Vladimiras Močialovas | Lithuania | Modern pentathlon | 1992 Summer | |
| Bernhard Mock | West Germany | Swimming | 1968 Summer | |
| Byrd Mock | United States | Art competitions | 1936 Summer | |
| María Mock | Puerto Rico | Swimming | 1976 Summer | |
| Nicola Mocke | South Africa | Canoe sprint | 2008 Summer | |
| Sabrina Mockenhaupt | Germany | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Russell Mockridge | Australia | Road cycling, Track cycling | 1948 Summer, 1952 Summer | |
| Tamás Mocsai | Hungary | Handball | 2004 Summer, 2012 Summer | |
| Jidou El Moctar | Mauritania | Athletics | 2012 Summer, 2016 Summer | |
| Stelian Moculescu | Romania | Volleyball | 1972 Summer | |
| Diane Modahl | Great Britain | Athletics | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Laurence Modaine-Cessac | France | Fencing | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Mike Modano | United States | Ice hockey | 1998 Winter, 2002 Winter, 2006 Winter | |
| Alex Modebadze | Georgia | Wrestling | 2000 Summer, 2004 Summer | |
| Giovanni Modena | Italy | Bobsleigh | 1980 Winter | |
| Stojan Moderc | Yugoslavia | Equestrian dressage | 1984 Summer | |
| Werner Modes | West Germany | Ice hockey | 1972 Winter | |
| Reiner Modest | Denmark | Rowing | 1980 Summer | |
| Maximo Modesti | Argentina | Shooting | 2004 Summer | |
| Mariyka Modeva | Bulgaria | Rowing | 1976 Summer, 1980 Summer | |
| Aubrey Modiba | South Africa | Football | 2016 Summer | |
| Vincenzo Modica | Italy | Athletics | 2000 Summer | |
| Bror Modigh | Sweden | 1912 Summer | |
| Fredrik Modin | Ice hockey | 2006 Winter, 2010 Winter | |
| Jesper Modin | Cross country skiing | 2010 Winter | |
| Fritz Möding [ Wikidata ] | Germany | Field hockey | 1908 Summer | |
| Antonios Modinos | Greece | Sailing | 1952 Summer | |
| Healer Modiradilo | Botswana | Boxing | 1996 Summer | |
| Portia Modise | South Africa | Football | 2012 Summer | |
| Jolanta Modlińska | Poland | Rowing | 1980 Summer | |
| Martin Modlitba | Czechoslovakia | Artistic gymnastics | 1992 Summer | |
| Sacha Modolo | Italy | Road cycling | 2012 Summer | |
| Péter Módos | Hungary | Wrestling | 2012 Summer | |
| Gennady Modoy | Soviet Union | Athletics | 1952 Summer | |
| Olga Modrachová | Czechoslovakia | 1952 Summer, 1956 Summer | |
| Eleanor Modrakowska | United States | Art competitions | 1932 Summer | |
| Uberto Visconti di Modrone | Italy | Equestrian jumping | 1900 Summer | |
| Bohumil Modrý | Czechoslovakia | Ice hockey | 1948 Winter | |
| Viktor Modzolevsky | Soviet Union | Fencing | 1968 Summer, 1972 Summer, 1976 Summer | |
| Viatchaslau Modzel [ Wikidata ] | Belarus | Trampolining | 2012 Summer | |
| Davit Modzmanashvili | Georgia | Wrestling | 2012 Summer | |
| Moe Fu Kiat | Malaya | Shooting | 1956 Summer | |
| Bente Moe | Norway | Athletics | 1984 Summer, 1988 Summer | |
| Karen Moe | United States | Swimming | 1972 Summer, 1976 Summer | |
| Kjell Otto Moe | Norway | Fencing | 1976 Summer | |
| Margot Moe | Figure skating | 1920 Summer | |
| Per Ivar Moe | Speed skating | 1964 Winter | |
| Tin Aung Moe | Myanmar | Football | 1972 Summer | |
| Tommy Moe | United States | Alpine skiing | 1992 Winter, 1994 Winter, 1998 Winter | |
| Yina Moe-Lange | Denmark | 2010 Winter | |
| Roland Moellé | France | Water polo | 1960 Summer | |
| Edmund Moeller | United States | Shooting | 1972 Summer | |
| Nathalie Moellhausen | Italy, Brazil | Fencing | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Sherif Moemen | Egypt | Handball | 2000 Summer, 2004 Summer | |
| Anders Moen | Norway | Artistic gymnastics | 1908 Summer | |
| Anita Moen | Cross country skiing | 1994 Winter, 1998 Winter, 2002 Winter | |
| Geir Moen | Athletics | 1996 Summer, 2000 Summer | |
| Lars Ove Moen | 1984 Summer | |
| Sigurd Moen | Speed skating | 1924 Winter | |
| Sondre Nordstad Moen | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Nelly Moenne-Loccoz | France | Snowboarding | 2010 Winter, 2014 Winter, 2018 Winter | |
| Marc Moens | Belgium | Canoe sprint | 1968 Summer, 1972 Summer | |
| Marcel Moens | Speed skating | 1924 Winter | |
| Roger Moens | Athletics | 1952 Summer, 1960 Summer | |
| Valère De Moer [ Wikidata ] | Art competitions | 1932 Summer | |
| Tebogo Moerane | South Africa | Football | 2016 Summer | |
| Koos Moerenhout | Netherlands | Road cycling | 2000 Summer | |
| Nicolaas Moerloos | Belgium | Artistic gymnastics, Weightlifting | 1920 Summer, 1924 Summer | |
| Frank Moerman | Netherlands | Rowing | 1960 Summer | |
| Carl von Moers | Germany | Equestrian dressage, Equestrian eventing | 1912 Summer | |
| André Moes | Luxembourg | Road cycling | 1952 Summer | |
| Freeke Moes | Netherlands | Field hockey | 2024 Summer | |
| Gerlacus Moes | Swimming | 1924 Summer | |
| Linda Moes | 1988 Summer | |
| Jacques Moeschal | Belgium | Football | 1928 Summer | |
| Kurt Moeschter | Germany | Rowing | 1928 Summer | |
| Eugène Moetbeek | Belgium | Athletics | 1924 Summer | |
| Marina Moffa | Australia | Basketball | 1984 Summer, 1988 Summer | |
| Chris Moffat | Canada | Luge | 2002 Winter, 2006 Winter, 2010 Winter | |
| Mike Moffat | 2002 Winter, 2006 Winter, 2010 Winter | |
| Emma Moffatt | Australia | Triathlon | 2008 Summer, 2012 Summer, 2016 Summer | |
| Jill Moffatt | Canada | Rowing | 2020 Summer, 2024 Summer | |
| Liam Moffatt | Snowboarding | 2022 Winter | |
| Max Moffatt | Freestyle skiing | 2022 Winter | |
| John Moffet | United States | Swimming | 1984 Summer | |
| John Moffitt | Athletics | 2004 Summer | |
| Robin Moffitt | Australia | Judo | 1972 Summer | |
| Tom Moffitt | United States | Athletics | 1908 Summer | |
| Eva Moga | Spain | Alpine skiing | 1988 Winter | |
| Evans Mogaka | Kenya | Athletics | 1972 Summer | |
| Ofentse Mogawane | South Africa | 2008 Summer, 2012 Summer | |
| Dietmar Mögenburg | West Germany, Germany | 1984 Summer, 1988 Summer, 1992 Summer | |
| Carsten Mogensen | Denmark | Badminton | 2012 Summer, 2016 Summer | |
| Grete Mogensen | 1992 Summer | |
| Thomas Mogensen | Handball | 2012 Summer | |
| Marcel Moget | Switzerland | Basketball | 1952 Summer | |
| Babak Moghimi | Iran | Boxing | 1996 Summer, 2000 Summer | |
| Nikolay Mogilevsky | Soviet Union | Shooting | 1956 Summer | |
| Alexander Mogilny | Ice hockey | 1988 Winter | |
| Oscar Moglia | Uruguay | Basketball | 1956 Summer | |
| Igor Mogne | Mozambique | Swimming | 2016 Summer, 2020 Summer | |
| Gavin Mogopa | Botswana | Judo | 2016 Summer | |
| Shadrack Mogotsi | South Africa | Athletics | 1996 Summer | |
| Torgny Mogren | Sweden | Cross country skiing | 1984 Winter, 1988 Winter, 1992 Winter, 1994 Winter, 1998 Winter | |
| Halvor Møgster | Norway | Sailing | 1920 Summer | |
| Sosthene Moguenara | Germany | Athletics | 2012 Summer, 2016 Summer | |
| Tehmasp Rustom Mogul | India | Sailing | 1972 Summer | |
| Daniela Mogurean | Italy | Rhythmic gymnastics | 2020 Summer, 2024 Summer | |
| Musa Mogushkov | Russia, Russian Olympic Committee | Judo | 2012 Summer, 2020 Summer | |
| János Mogyorósi-Klencs | Hungary | Artistic gymnastics | 1948 Summer, 1952 Summer | |
| Győző Mogyorossy | 1936 Summer, 1948 Summer | |
| Ferenc Mohácsi | Canoe sprint | 1956 Summer | |
| Ehsan Mohajer Shojaei | Iran | Athletics | 2008 Summer | |
| Khairul Anuar Mohamad | Malaysia | Archery | 2012 Summer, 2016 Summer, 2020 Summer | |
| Nazmizan Mohamad | Athletics | 2004 Summer | |
| Amro El-Sayed Mohamady | Egypt | Field hockey | 1992 Summer | |
| Abdelaziz Mohamed Ahmed | Sudan | Swimming | 2016 Summer | |
| Kaouther Mohamed Belkebir | Algeria | Fencing | 2020 Summer, 2024 Summer | |
| Kadra Mohamed Dembil | Djibouti | Athletics | 2016 Summer | |
| Ahmed Fahti Mohamed Hashad | Egypt | Diving | 1952 Summer | |
| Abbas Mohamed | Nigeria | Athletics | 1988 Summer | |
| Abdalla Mohamed | Egypt | Handball | 2004 Summer | |
| Abdelkader Mohamed | Morocco | Football | 1964 Summer | |
| Abdellatif Mohamed | Egypt | Wrestling | 2016 Summer, 2020 Summer, 2024 Summer | |
| Adhan Mohamed | Weightlifting | 1988 Summer | |
| Ahmed Mohamed | Fencing | 1988 Summer | |
| Ahmed Mohamed | Field hockey | 2004 Summer | |
| Ahmed Mohamed | Weightlifting | 2016 Summer | |
| Ahmed Mohamed | Shooting | 2016 Summer | |
| Aida Mohamed | Hungary | Fencing | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Ali Heidar Ali Mohamed | Kuwait | Judo | 1980 Summer, 1992 Summer | |
| Amr Mohamed | Egypt | Water polo | 2004 Summer | |
| Anwar Mohamed | Yemen | Athletics | 1992 Summer | |
| Ashraf Mohamed | Egypt | Weightlifting | 1984 Summer | |
| Awmima Mohamed | Sudan | Athletics | 2000 Summer | |
| Ayele Mohamed | Ethiopia | Boxing | 1972 Summer, 1980 Summer | |
| Ebtissam Mohamed | Egypt | Track cycling | 2016 Summer, 2020 Summer, 2024 Summer | |
| Ehab Mohamed | Volleyball | 1984 Summer | |
| El-Atek Mohamed | Rowing | 2000 Summer | |
| El-Sayed Mohamed | Basketball | 1988 Summer | |
| Enga Mohamed | Weightlifting | 2004 Summer | |
| Gaber Mohamed | 2016 Summer | |
| Gamal Mohamed | Wrestling | 2024 Summer | |
| Gamal Fawzi Mohamed | Field hockey | 1992 Summer | |
| Hamad Khaled Mohamed | Kuwait | Football | 1980 Summer | |
| Hamada Mohamed | Egypt | Athletics | 2012 Summer, 2016 Summer | |
| Hazem Mohamed | Shooting | 2008 Summer | |
| Ismail Selim Mohamed | Basketball | 1972 Summer, 1976 Summer | |
| Issa Mohamed [ Wikidata ] | United Arab Emirates | Road cycling | 1988 Summer | |
| Khalid Ahmed Mohamed | Bahrain | Shooting | 2004 Summer | |
| Maged Mohamed | Egypt | Weightlifting | 1984 Summer | |
| Mai Mohamed | Artistic swimming | 2008 Summer, 2012 Summer | |
| Mandy Mohamed | Artistic gymnastics | 2020 Summer | |
| Mansour Mohamed | Kuwait | Football | 1992 Summer | |
| Metwali Mohamed | Egypt | Volleyball | 1976 Summer | |
| Moamen Ahmed Rabie Mohamed [ Wikidata ] | Wrestling | 2024 Summer | |
| Mohamed Daud Mohamed | Somalia | Athletics | 2016 Summer | |
| Mohamed Hassan Mohamed | 2012 Summer | |
| Mohamed Samir Mohamed | Egypt | Field hockey | 1992 Summer | |
| Mostafa Mohamed | Wrestling | 2008 Summer | |
| Moussa Mohamed | Football | 1952 Summer | |
| Mustafa Mohamed | Sweden | Athletics | 2004 Summer, 2008 Summer | |
| Noura Mohamed | Egypt | Fencing | 2016 Summer, 2020 Summer | |
| Omar Mohamed | Artistic gymnastics | 2020 Summer, 2024 Summer | |
| Oueil Behi Mohamed | Tunisia | Volleyball | 1972 Summer | |
| Raphaël Mohamed | France | Athletics | 2024 Summer | |
| Ridhwan Abubakar Bwana Mohamed [ Wikidata ] | Kenya | Swimming | 2024 Summer | |
| Sameh Mohamed | Egypt | Field hockey | 2004 Summer | |
| Sayed Mohamed | Football | 1952 Summer | |
| Shefiu Mohamed | Nigeria | 1980 Summer | |
| Sondos Mohamed [ Wikidata ] | Egypt | Artistic swimming | 2024 Summer | |
| Sulaiman Mohamed | Qatar | Shooting | 1984 Summer | |
| Suliman Gafar Mohamed | Sudan | Football | 1972 Summer | |
| Taher Mohamed | Egypt | 2020 Summer | |
| Walid Mohamed | Field hockey | 2004 Summer | |
| Walid Sedik Mohamed | Boxing | 2016 Summer | |
| Yasser Mohamed | Field hockey | 2004 Summer | |
| Youssef Mohamed | Basketball | 1948 Summer, 1952 Summer | |
| Zakia Mrisho Mohamed | Tanzania | Athletics | 2008 Summer, 2012 Summer | |
| Munir Mohamedi | Morocco | Football | 2024 Summer | |
| Ibrahim Mohamedin | Qatar | Athletics | 2004 Summer, 2008 Summer | |
| Sid'Ahmed Ould Mohamedou [ Wikidata ] | Mauritania | 1992 Summer, 1996 Summer | |
| Adil Mohammad | United Arab Emirates | Sailing | 2008 Summer | |
| Esmail Mohammad | Afghanistan | Boxing | 1980 Summer | |
| Ghofrane Mohammad | Syria | Athletics | 2012 Summer, 2016 Summer | |
| Isah Mohammad | Nigeria | Taekwondo | 2008 Summer, 2012 Summer | |
| Saleh Mohammad | Syria | Marathon swimming | 2008 Summer | |
| Ali Mohammadi | Iran | Wrestling | 2008 Summer | |
| Gholamreza Mohammadi | 1996 Summer | |
| Issa Al-Mohammadi | Qatar | Football | 1984 Summer | |
| Mohammad Ali Mohammadi | Iran | Road cycling | 1976 Summer | |
| Morad Mohammadi | Wrestling | 2008 Summer | |
| Askari Mohammadian | 1988 Summer, 1992 Summer | |
| Mohammad Hossein Mohammadian | 2020 Summer | |
| Saeid Mohammadpour | Weightlifting | 2012 Summer | |
| Katlego Mohamme | South Africa | Football | 2020 Summer | |
| Ismail Mohammed Sharif | Iraq | 1988 Summer | |
| Mohammed Sheliah | Saudi Arabia | 1996 Summer | |
| Aisha Mohammed | Nigeria | Basketball | 2004 Summer, 2020 Summer | |
| Alia Saeed Mohammed | United Arab Emirates | Athletics | 2016 Summer | |
| Atallah Mohammed | Iraq | Weightlifting | 1992 Summer | |
| Bassem Hassan Mohammed | Qatar | Equestrian jumping | 2016 Summer | |
| Emad Mohammed | Iraq | Football | 2004 Summer | |
| Hawar Mulla Mohammed | 2004 Summer | |
| Kamal Kamel Mohammed | Egypt | Basketball | 1972 Summer | |
| Karrar Mohammed | Iraq | Football | 2024 Summer | |
| Khadija Mohammed | United Arab Emirates | Weightlifting | 2012 Summer | |
| Mohammed Taher Mohammed | Iraq | 1984 Summer | |
| Muntadher Mohammed | Football | 2024 Summer | |
| Nick Mohammed | Canada | Wrestling | 1952 Summer | |
| Nihad Mohammed | Iraq | Football | 2024 Summer | |
| Rafer Mohammed | Trinidad and Tobago | Athletics | 1980 Summer | |
| Saleh Mohammed | Iraq | Weightlifting | 1992 Summer | |
| Salim Mohammed | Trinidad and Tobago | Track cycling | 1968 Summer | |
| Taj Mohammad Sr. | India | Football | 1948 Summer | |
| Yohannes Mohamed | Ethiopia | Athletics | 1972 Summer, 1980 Summer | |
| Mohammed Al-Mohanadi | Qatar | Football | 1992 Summer | |
| Ahmed Moharran | United Arab Republic | Diving | 1960 Summer | |
| Tino Mohaupt | Germany | Shooting | 2008 Summer, 2012 Summer | |
| Alexandre Mohbat | Lebanon | Alpine skiing | 2014 Winter | |
| Natacha Mohbat | 2018 Winter | |
| Giti Mohebban | Iran | Fencing | 1976 Summer | |
| Mohammad Hassan Mohebbi | Wrestling | 1976 Summer | |
| Lourdes Mohedano | Spain | Rhythmic gymnastics | 2012 Summer, 2016 Summer | |
| Dieter Moherndl | Germany | Snowboarding | 1998 Winter | |
| Zoltán Mohi | Hungary | Water polo | 1988 Summer | |
| Qazi Mohib | Pakistan | Field hockey | 1988 Summer | |
| Vitaliy Mohilenko | Ukraine | Biathlon | 1994 Winter | |
| Fidèle Mohinga | Central African Republic | Boxing | 1988 Summer | |
| Friederike Möhlenkamp | Germany | Athletics | 2016 Summer | |
| Gerrit Möhlmann | Netherlands | Track cycling | 1976 Summer | |
| Mohala Mohloli | Lesotho | Athletics | 1988 Summer | |
| Alireza Mohmadi | Iran | Wrestling | 2024 Summer | |
| Ellef Mohn | Norway | Football | 1920 Summer | |
| Henry Mohoanyane | Lesotho | Athletics | 1992 Summer | |
| Matej Mohorič | Slovenia | Road cycling | 2016 Summer, 2024 Summer | |
| Matejka Mohorič | Biathlon | 1998 Winter | |
| Janos Mohoss | Switzerland | Fencing | 1972 Summer | |
| Albert Mohr | Germany | Cross country skiing | 1952 Winter | |
| Alfred Mohr | Austria | Track cycling | 1936 Summer | |
| Christopher Mohr | Great Britain | Handball | 2012 Summer | |
| Eduard Mohr | Germany | Sailing | 1936 Summer | |
| Ernst Mohr | Artistic gymnastics | 1904 Summer | |
| Hans Mohr | Yugoslavia | Athletics | 1936 Summer | |
| Hans Möhr | Switzerland | Equestrian jumping | 1960 Summer, 1964 Summer | |
| Heidi Mohr | Germany | Football | 1996 Summer | |
| Malte Mohr | Athletics | 2012 Summer | |
| Anke Möhring | East Germany | Swimming | 1988 Summer | |
| Kerstin Mohring | Cross country skiing | 1988 Winter | |
| Anna Mohrová | Czechoslovakia | Alpine skiing | 1968 Winter | |
| Laila Mohsen | Egypt | Artistic swimming | 2020 Summer | |
| Mahmoud Mohsen [ Wikidata ] | Fencing | 2024 Summer | |
| Marwan Mohsen | Football | 2012 Summer | |
| Salah Mohsen | 2020 Summer | |
| Mehdi Mohsennejad | Iran | Wrestling | 2024 Summer | |
| Matthew Farhang Mohtadi | Basketball | 1948 Summer | |
| Horst Möhwald | Germany | Nordic combined | 1964 Winter | |
| Willy Möhwald | Czechoslovakia | Ski jumping | 1928 Winter | |
| Trude Möhwaldová | Alpine skiing | 1936 Winter | |
| Mohamed Mohyeldin | Egypt | Judo | 2016 Summer | |
| Ihor Mohylniy | Unified Team, Ukraine | Rowing | 1992 Summer, 1996 Summer | |
| Gabriel Moiceanu | Romania | Road cycling | 1960 Summer, 1964 Summer | |
| Nicolae Moiceanu | Bobsleigh | 1956 Winter | |
| André Moillen | Switzerland | 1928 Winter | |
| Jean Moillen | 1928 Winter | |
| Mercy Moim | Kenya | Volleyball | 2020 Summer | |
| Jean-Jacques Moine | France | Swimming | 1972 Summer | |
| Alain Moineau | Road cycling | 1948 Summer | |
| Syed Moinuddin | India | Football | 1952 Summer | |
| Syed Ghulam Moinuddin | Pakistan | Field hockey | 1984 Summer | |
| Giuseppe Moioli | Italy | Rowing | 1948 Summer, 1952 Summer, 1956 Summer | |
| Michela Moioli | Snowboarding | 2014 Winter, 2018 Winter, 2022 Winter | |
| Berkeley Moir | Great Britain | Art competitions | 1948 Summer | |
| Georgie Moir | South Africa | Water polo | 2020 Summer | |
| Kristina Moir | Puerto Rico | Swimming | 1968 Summer | |
| Scott Moir | Canada | Figure skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Edmund Moiret | Austria | Art competitions | 1948 Summer | |
| Vangelis Moiropoulos | Greece | Athletics | 1928 Summer, 1932 Summer | |
| José Moirt | Mauritius | Weightlifting | 1988 Summer | |
| Aurel Moiș | Romania | Ice hockey | 1968 Winter | |
| Laura Moisă | Handball | 2016 Summer | |
| Marcel Moisand | France | Sailing | 1900 Summer | |
| Laura Moise | Romania | Judo | 2000 Summer | |
| Petr Moiseev | Russia | Bobsleigh | 2010 Winter, 2014 Winter | |
| Yuri Moiseyev | Soviet Union | Ice hockey | 1968 Winter | |
| Irina Moiseeva | Figure skating | 1976 Winter, 1980 Winter | |
| Victoria Moiseeva | Russian Olympic Committee | Curling | 2018 Winter | |
| Denis Moiseychenkov | Russia | Bobsleigh | 2010 Winter | |
| Aleksandr Moiseyev | Soviet Union | Basketball | 1952 Summer | |
| Andrey Moiseyev | Russia | Modern pentathlon | 2004 Summer, 2008 Summer, 2012 Summer | |
| Vladimir Moiseyev | Sailing | 1996 Summer, 2000 Summer, 2004 Summer | |
| Ulrich Moissl | Germany | Field hockey | 2000 Summer | |
| Lewis Moist [ Wikidata ] | Great Britain | Swimming | 1908 Summer | |
| Kristopher Moitland | Costa Rica | Taekwondo | 2004 Summer, 2008 Summer | |
| Fatemeh Mojallal | Iran | Rowing | 2024 Summer | |
| Adel Mojallali | Canoe sprint | 2016 Summer | |
| Aliasghar Mojarad | Volleyball | 2020 Summer | |
| Sello Mojela | Lesotho | Boxing | 1988 Summer | |
| Melissa Mojica | Puerto Rico | Judo | 2012 Summer, 2016 Summer, 2020 Summer | |
| Miguel Mojica | Dominican Republic | Boxing | 1996 Summer | |
| Vilmarie Mojica | Puerto Rico | Volleyball | 2016 Summer | |
| Anastasija Mojsovska [ Wikidata ] | North Macedonia | Shooting | 2024 Summer | |
| Abdollah Mojtabavi | Iran | Wrestling | 1952 Summer | |
| Mate Mojtić | Yugoslavia | Rowing | 1948 Summer | |
| Abraham Mok | Netherlands | Artistic gymnastics | 1908 Summer | |
| Mok Cheuk Wing | Hong Kong | Judo | 1972 Summer, 1976 Summer | |
| Mok Chun Wah | Chinese Taipei | Football | 1960 Summer | |
| Jack Mok | South Africa | Rowing | 1960 Summer | |
| Mok Ka Sha | Hong Kong | Table tennis | 1988 Summer | |
| Mok Sau Hei | Road cycling | 1964 Summer | |
| Mok Un-ju | North Korea | Artistic gymnastics | 2000 Summer | |
| Tukal Mokalam | Philippines | Athletics | 1972 Summer | |
| Dahlia Mokbel | Egypt | Artistic swimming | 1984 Summer | |
| Albert Mokeyev | Soviet Union | Modern pentathlon | 1964 Summer | |
| Hendrick Mokganyetsi | South Africa | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Desmond Mokgobu | 2020 Summer | |
| Nadiya Mokhnatska | Ukraine | Freestyle skiing | 2014 Winter | |
| Mokete Mokhosi | Lesotho | Taekwondo | 2000 Summer | |
| Moroke Mokhotho | Boxing | 2016 Summer | |
| Rashid Mokhrani | Algeria | Handball | 1980 Summer, 1984 Summer | |
| Abdel Moneim Mokhtar | Egypt | Diving | 1928 Summer | |
| Abel Mokibe | South Africa | Athletics | 1992 Summer | |
| Aaron Mokoena | Football | 2000 Summer | |
| Godfrey Khotso Mokoena | Athletics | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Ntsopa Mokoena | Field hockey | 2024 Summer | |
| Teboho Mokoena | Football | 2020 Summer | |
| Stephen Mokoka | Athletics | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Carol Mokola | Zambia | 2004 Summer | |
| Ladislau Mokos | Romania | Basketball | 1952 Summer | |
| Barbora Mokošová | Slovakia | Artistic gymnastics | 2016 Summer, 2020 Summer | |
| Calvin Mokoto | South Africa | Canoe sprint | 2008 Summer | |
| Christie Mokotupu | Australia | Volleyball | 2000 Summer | |
| Juraj Mokráš | Slovakia | Bobsleigh | 2014 Winter | |
| Ilya Mokretsov | Kazakhstan | Fencing | 2016 Summer | |
| Ilona Mokronowska | Poland | Rowing | 2000 Summer, 2004 Summer | |
| Maksim Mokrousov | Russia | Bobsleigh | 2014 Winter | |
| Petr Mokrý | Czechoslovakia | Canoe sprint | 1972 Summer | |
| Anders Mol | Norway | Beach volleyball | 2020 Summer, 2024 Summer | |
| Christelle Mol | France | Badminton | 1992 Summer | |
| Joep de Mol | Netherlands | Field hockey | 2020 Summer, 2024 Summer | |
| Jozef Mol | Belgium | Volleyball | 1968 Summer | |
| Claude Cuy y Mola | France | Shooting | 1992 Summer | |
| Mario Mola | Spain | Triathlon | 2012 Summer, 2016 Summer, 2020 Summer | |
| Kourosh Molaei | Iran | Boxing | 1996 Summer | |
| Nils Molander | Sweden | Ice hockey | 1920 Summer, 1924 Winter | |
| Sonia Molanes | Spain | Canoe sprint | 2008 Summer | |
| Mopeli Molapo [ Wikidata ] | Lesotho | Athletics | 1980 Summer | |
| Carmine Molaro | Italy | Boxing | 1996 Summer | |
| Rune Molberg | Norway | Ice hockey | 1980 Winter | |
| Shawna Molcak | Canada | Basketball | 1996 Summer | |
| Andreý Molçanow | Turkmenistan | Swimming | 2008 Summer | |
| Denys Molchanov | Ukraine | Tennis | 2016 Summer | |
| Yul Moldauer | United States | Artistic gymnastics | 2020 Summer | |
| Ernst Moldenhauer | Germany | Fencing | 1908 Summer | |
| Heinz-Gerd Mölders | West Germany | Athletics | 1968 Summer | |
| Kristine Moldestad | Norway | Handball | 1996 Summer | |
| Antje Möldner-Schmidt | Germany | Athletics | 2008 Summer, 2012 Summer | |
| Ulanbek Moldodosov | Kyrgyzstan | Weightlifting | 2004 Summer, 2008 Summer | |
| Dănuț Moldovan | Romania, Austria | Bobsleigh | 2014 Winter, 2018 Winter | |
| Nikolina Moldovan | Serbia | Canoe sprint | 2012 Summer, 2016 Summer | |
| Oleg Moldovan | Soviet Union, Moldova | Shooting | 1988 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Olivera Moldovan | Serbia | Canoe sprint | 2012 Summer, 2016 Summer | |
| Vasile Moldovan | Romania | Artistic gymnastics | 1936 Summer | |
| Marcela Moldovan-Zsak | Fencing | 1976 Summer, 1980 Summer, 1984 Summer | |
| Alin Moldoveanu | Shooting | 2008 Summer, 2012 Summer, 2016 Summer | |
| Gheorghe Moldoveanu | Bobsleigh | 1956 Winter | |
| Gheorghe Moldoveanu | Rowing | 1968 Summer | |
| Antal Moldrich | Hungary | Modern pentathlon | 1956 Summer | |
| Istvan Moldvai | Romania | Water polo | 1996 Summer | |
| Valter Molea | Italy | Rowing | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| California Molefe | Botswana | Athletics | 2000 Summer, 2004 Summer | |
| Kim Molenaar | Netherlands | Handball | 2024 Summer | |
| Olav Molenaar | Rowing | 2024 Summer | |
| Leszek Molenda | Poland | Volleyball | 1980 Summer | |
| Piotr Molenda | Table tennis | 1988 Summer | |
| Alexander Molerio | Cuba | Shooting | 2016 Summer | |
| Edwin Moles | United States | Swimming | 1932 Summer | |
| Margot Moles | Spain | Alpine skiing | 1936 Winter | |
| Kayla Moleschi | Canada | Rugby sevens | 2016 Summer, 2020 Summer | |
| Doris Molesworth | Great Britain | Swimming | 1924 Summer | |
| Carlo Molfetta | Italy | Taekwondo | 2004 Summer, 2012 Summer | |
| Alberto Molfino | Wrestling | 1936 Summer | |
| Manfred Mölgg | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Manuela Mölgg | 2006 Winter, 2010 Winter, 2018 Winter | |
| Sione Molia | New Zealand | Rugby sevens | 2016 Summer, 2020 Summer, 2024 Summer | |
| Oleg Moliboga | Soviet Union | Volleyball | 1976 Summer, 1980 Summer | |
| Dustin Molicki | Canada | Speed skating | 2002 Winter | |
| Mari Molid | Norway | Handball | 2016 Summer | |
| Willem Molijn [ Wikidata ] | Netherlands | Fencing | 1912 Summer | |
| Alicia Molik | Australia | Tennis | 2000 Summer, 2004 Summer, 2008 Summer | |
| Edith Molikoe | South Africa | Field hockey | 2020 Summer, 2024 Summer | |
| Lars Molin | Sweden | Ice hockey | 1980 Winter, 1988 Winter | |
| Alfio Molina | Switzerland | 1972 Winter, 1976 Winter | |
| Alfonso Molina | Nicaragua | Boxing | 1968 Summer | |
| Andrés Molina | Cuba | 1968 Summer, 1972 Summer | |
| Bayron Molina | Honduras | 2012 Summer | |
| David Molina | Football | 2008 Summer | |
| Enrique Molina | Argentina | Track cycling | 1948 Summer | |
| Enrique Molina | Spain | Athletics | 1996 Summer, 2000 Summer | |
| Fabíola Molina | Brazil | Swimming | 2000 Summer, 2008 Summer, 2012 Summer | |
| Fernando Molina | Argentina | Athletics | 1972 Summer | |
| Fernando Molina | Spain | Rowing | 1992 Summer | |
| Gonzalo Molina | Argentina | Cycling BMX racing | 2016 Summer, 2024 Summer | |
| Guillermo Molina | Spain | Water polo | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Jaime Molina | Peru | Weightlifting | 1984 Summer | |
| Javier Molina | United States | Boxing | 2008 Summer | |
| Jennifer Molina | Mexico | Football | 2004 Summer | |
| John John Molina | Puerto Rico | Boxing | 1984 Summer | |
| Jorge Molina | Argentina | Rowing | 1976 Summer | |
| Jorge Molina | Colombia | Shooting | 1984 Summer, 1988 Summer | |
| José Angel Molina | Puerto Rico | Boxing | 1980 Summer | |
| José Luis Molina | Costa Rica | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Juan Molina | El Salvador | Road cycling | 1968 Summer | |
| Juan Manuel Molina | Spain | Athletics | 2004 Summer, 2008 Summer | |
| Luis Molina | United States | Boxing | 1956 Summer | |
| Luis Molina | Argentina | Athletics | 2016 Summer | |
| María Dolores Molina | Guatemala | Road cycling | 2004 Summer | |
| Mario Molina | Chile | Boxing | 1964 Summer | |
| Mauricio Molina | Cycling BMX racing | 2024 Summer | |
| Miguel Molina | Philippines | Swimming | 2004 Summer, 2008 Summer | |
| Óscar Molina | Mexico | Boxing | 2012 Summer | |
| Remigio Molina | Argentina | 1992 Summer | |
| Roberto Molina | Spain | Sailing | 1984 Summer | |
| Rosa Molina | Chile | Athletics | 1968 Summer, 1972 Summer | |
| Víctor Molina | Venezuela | Equestrian jumping | 1956 Summer | |
| Sonia Molina-Prados | Spain | Athletics | 2024 Summer | |
| Carlos Molinares | Colombia | Football | 1980 Summer | |
| Caroline Molinari | Brazil | Artistic gymnastics | 2004 Summer | |
| Cecilia Molinari | Italy | Athletics | 1972 Summer | |
| Federico Molinari | Argentina | Artistic gymnastics | 2012 Summer | |
| Giuseppe Molinari | Italy | Equestrian eventing | 1956 Summer | |
| Manlio Molinari | San Marino | Athletics | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Frank Molinaro | United States | Wrestling | 2016 Summer | |
| Giulia Molinaro | Italy | Golf | 2016 Summer, 2020 Summer | |
| Elisa Molinarolo | Athletics | 2020 Summer, 2024 Summer | |
| Georganne Moline | United States | 2012 Summer | |
| Eugène Molineau | France | Art competitions | 1928 Summer | |
| Aida Molinos | Philippines | Athletics | 1964 Summer | |
| Edgar Molinos | Guam | Weightlifting | 1992 Summer | |
| Lorena Molinos | Brazil | Artistic swimming | 2016 Summer | |
| José Molíns | Spain | Athletics | 1960 Summer | |
| Argentino Molinuevo Jr. | Argentina | Equestrian jumping | 1968 Summer, 1972 Summer, 1976 Summer | |
| Argentino Molinuevo Sr. | 1952 Summer | |
| Irène Molitor | Switzerland | Alpine skiing | 1948 Winter | |
| Karl Molitor | 1948 Winter | |
| Katharina Molitor | Germany | Athletics | 2008 Summer, 2012 Summer | |
| Roberto Moll | Venezuela | Equestrian jumping | 1956 Summer | |
| Susanne Moll | Austria | Snowboarding | 2014 Winter | |
| Mario Mollá [ Wikidata ] | Spain | Swimming | 2024 Summer | |
| Saeid Mollaei | Iran, Mongolia | Judo | 2016 Summer, 2020 Summer | |
| Hossein Mollaghasemi | Iran | Wrestling | 1960 Summer, 1964 Summer | |
| Mahmoud Mollaghasemi | 1952 Summer | |
| Andreas Mollandin | West Germany | Field hockey | 1988 Summer | |
| Didier Mollard | France | Ski jumping | 1988 Winter, 1992 Winter, 1994 Winter | |
| Georges Mollard | Sailing | 1924 Summer | |
| Samad Mollazal | Iran | Shooting | 1948 Summer | |
| Jean Molle | France | Canoe sprint | 1952 Summer | |
| Robert Molle | Canada | Wrestling | 1984 Summer | |
| Guus Mollee [ Wikidata ] | Netherlands | Rowing | 2024 Summer | |
| Bauke Mollema | Road cycling | 2016 Summer, 2020 Summer | |
| Bryan Mollen | Ireland | Rugby sevens | 2020 Summer, 2024 Summer | |
| Anja Möllenbeck | Germany | Athletics | 1996 Summer | |
| Michael Möllenbeck | 1996 Summer, 2000 Summer, 2004 Summer | |
| Alexandra Mollenhauer | Azerbaijan | 3x3 basketball | 2024 Summer | |
| Paula Mollenhauer | Germany | Athletics | 1928 Summer, 1936 Summer | |
| Thomas Möllenkamp | West Germany | Rowing | 1984 Summer, 1988 Summer | |
| Adolf Möller | Germany | 1900 Summer | |
| Anna Emilie Møller | Denmark | Athletics | 2016 Summer, 2020 Summer | |
| Carl Møller | Rowing | 1912 Summer | |
| Christen Møller | Shooting | 1920 Summer, 1936 Summer | |
| Claus Michael Møller | Road cycling | 1992 Summer | |
| David Möller | Germany | Luge | 2006 Winter, 2010 Winter, 2014 Winter | |
| Edvard Möller | Sweden | Athletics | 1912 Summer | |
| Felix Möller | Handball | 2024 Summer | |
| Frank Möller | East Germany | Athletics | 1988 Summer | |
| Frank Möller | Germany | Judo | 1996 Summer, 2000 Summer | |
| Frans Möller | Sweden | Tennis | 1912 Summer | |
| Frans Möller | Swimming | 1920 Summer | |
| Gösta Möller | Athletics | 1912 Summer | |
| Heiner Möller | West Germany | Handball | 1972 Summer | |
| Henning Möller | Sweden | Athletics | 1912 Summer | |
| Henriette Moller | South Africa | Judo | 2004 Summer | |
| Inga Möller | Germany | Field hockey | 2000 Summer | |
| Ivan Möller | Sweden | Athletics | 1912 Summer | |
| Kevin Møller | Denmark | Handball | 2020 Summer | |
| Leif Möller | Sweden | Sailing | 2000 Summer | |
| Lena Möller | Athletics | 1980 Summer | |
| Lorraine Moller | New Zealand | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Malte Möller | Sweden | Wrestling | 1948 Summer | |
| Martin Møller | Denmark | Cross country skiing | 2014 Winter, 2018 Winter | |
| Niels Otto Møller | Sailing | 1928 Summer | |
| Oscar Möller | Sweden | Ice hockey | 2018 Winter | |
| Peter Møller | Denmark | Artistic gymnastics | 1920 Summer | |
| Peter Møller | Football | 1992 Summer | |
| Silke Möller | East Germany | Athletics | 1988 Summer | |
| Tage Møller | Denmark | Road cycling | 1936 Summer | |
| Uwe Möller [ Wikidata ] | Germany | Shooting | 1996 Summer | |
| Vibeke Møller | Denmark | Swimming | 1924 Summer | |
| Vilhelm Møller | Artistic gymnastics | 1948 Summer | |
| Maria Mollestad | Norway | Sailing | 2016 Summer | |
| Hans Mollet | Switzerland | Wrestling | 1928 Summer | |
| Raoul Mollet | Belgium | Modern pentathlon | 1936 Summer, 1948 Summer | |
| Roger Mollet | France | Wrestling | 1928 Summer | |
| Tommy Mollet | Netherlands | Taekwondo | 2012 Summer | |
| Henrik Møllgaard | Denmark | Handball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Fabiana Mollica | Italy | Bobsleigh | 2006 Winter | |
| Dominique Mollier | France | Swimming | 1968 Summer | |
| Bart Mollin | Belgium | Alpine skiing | 2010 Winter | |
| Englebert Mollin | Wrestling | 1924 Summer | |
| Henri Mollin | Alpine skiing | 1980 Winter, 1984 Winter | |
| Piet Mollin [ Wikidata ] | Wrestling | 1928 Summer | |
| Jochen Molling | Germany | Ice hockey | 1998 Winter | |
| Michael Möllinger | Switzerland | Ski jumping | 2006 Winter | |
| Art Mollner | United States | Basketball | 1936 Summer | |
| Sanah Mollo | South Africa | Football | 2012 Summer, 2016 Summer | |
| Ali Mollov | Bulgaria | Wrestling | 2000 Summer | |
| Lyutviyan Mollova | Athletics | 1972 Summer | |
| Mick Molloy | Ireland | 1968 Summer | |
| Daniele Molmenti | Italy | Canoe slalom | 2008 Summer, 2012 Summer | |
| Ákos Molnár | Hungary | Swimming | 2012 Summer | |
| Albin Molnár | Sailing | 1960 Summer | |
| Andrea Molnár | Artistic gymnastics | 1992 Summer, 1996 Summer | |
| Attila Molnár | Romania | Football | 1924 Summer | |
| Attila Molnár | Hungary | Athletics | 2024 Summer | |
| Brižitka Molnar | Serbia | Volleyball | 2008 Summer | |
| Cornelia Molnar | Croatia | Table tennis | 2004 Summer, 2012 Summer | |
| Dóra Molnár | Hungary | Swimming | 2024 Summer | |
| Ede-Károly Molnár | Romania | Cycling mountain bike | 2024 Summer | |
| Edit Molnár | Hungary | Athletics | 1992 Summer | |
| Ella Molnár | Swimming | 1924 Summer | |
| Endre Molnár | Water polo | 1968 Summer, 1972 Summer, 1976 Summer, 1980 Summer | |
| Erik Molnár | 2024 Summer | |
| Erika Molnar | Triathlon | 2000 Summer, 2004 Summer | |
| Estevão Molnar | Brazil | Fencing | 1948 Summer, 1952 Summer | |
| Éva Molnár | Hungary | Rowing | 1980 Summer | |
| Ferenc Molnár | Athletics | 1928 Summer | |
| Flóra Molnár | Swimming | 2016 Summer | |
| Gábor Molnár | Weightlifting | 1996 Summer | |
| Géza Molnár | Wrestling | 1976 Summer | |
| Gyula Molnár | 1980 Summer | |
| Imre Molnár | Artistic gymnastics | 1972 Summer, 1976 Summer | |
| István Molnár | Water polo | 1936 Summer | |
| István Molnár | Volleyball | 1964 Summer | |
| Karl Molnar | Austria | Canoe sprint | 1948 Summer | |
| Károly Molnár | Hungary | Judo | 1976 Summer, 1980 Summer | |
| Kornél Molnár | Boxing | 1952 Summer | |
| Krisztina Molnár | Artistic gymnastics, Athletics | 1992 Summer, 2004 Summer, 2008 Summer | |
| László Molnár | Rowing | 1936 Summer | |
| Miklos Molnar | Denmark | Football | 1992 Summer | |
| Péter Molnár | Hungary | Canoe sprint | 2016 Summer | |
| Saša Molnar | Yugoslavia | Alpine skiing | 1948 Winter | |
| Tamás Molnár | Hungary | Athletics | 1992 Summer | |
| Tamás Molnár | Water polo | 2000 Summer, 2004 Summer, 2008 Summer | |
| Zita Molnár | Table tennis | 2000 Summer | |
| Zoltán Molnár | Rowing | 1988 Summer | |
| Zoltán Molnár | Football | 1996 Summer | |
| Andrea Molnár-Bodó | Artistic gymnastics | 1952 Summer, 1956 Summer | |
| Antoni Molne | Andorra | Judo | 1992 Summer, 1996 Summer | |
| Luis Molné | Spain | Alpine skiing | 1952 Winter, 1956 Winter | |
| Mar Molné | Shooting | 2024 Summer | |
| Vasily Molokanov [ Wikidata ] | Russia | Athletics | 1912 Summer | |
| Rufin Molomadan | Central African Republic | Road cycling | 1992 Summer | |
| Ashley Moloney | Australia | Athletics | 2020 Summer, 2024 Summer | |
| Frederick Moloney | United States | 1900 Summer | |
| William Moloney | 1900 Summer | |
| Gweneth Molony | Australia | Figure skating | 1952 Winter | |
| Percival Molson | Canada | Athletics | 1904 Summer | |
| Martin Mølster | Norway | 1924 Summer | |
| Philippe Le Molt | France | Art competitions | 1932 Summer | |
| Youri Moltchan | Russia | Fencing | 2004 Summer | |
| Olga Moltchanova | Kyrgyzstan | Swimming | 2000 Summer | |
| Andrés Molteni | Argentina | Tennis | 2020 Summer, 2024 Summer | |
| Anderl Molterer | Austria | Alpine skiing | 1956 Winter, 1960 Winter | |
| Frank Molther | United States | Art competitions | 1936 Summer | |
| Werner von Moltke | West Germany | Athletics | 1968 Summer | |
| José Luis Moltó | Spain | Volleyball | 2000 Summer | |
| Paula Moltzan | United States | Alpine skiing | 2022 Winter | |
| Christiaan Moltzer | Netherlands | Shooting | 1920 Summer | |
| Ernst Moltzer | Sailing | 1936 Summer | |
| Mama Moluh | Cameroon | Athletics | 1984 Summer | |
| Mary-Ambre Moluh [ Wikidata ] | France | Swimming | 2024 Summer | |
| Johan Molund | Sweden | Sailing | 2000 Summer, 2004 Summer | |
| Stephan Mølvig | Denmark | Rowing | 2004 Summer | |
| Jerry Molyneaux | British Virgin Islands | Athletics | 1984 Summer | |
| Manfred Molzberger | Germany | 1960 Summer | |
| Laetitia Moma Bassoko | Cameroon | Volleyball | 2016 Summer | |
| Joseph Momanyi | Kenya | Judo | 1992 Summer | |
| Erich Momberger | Papua New Guinea | Athletics | 1992 Summer | |
| José Antonio Momeñe | Spain | Road cycling | 1960 Summer | |
| Ali Mohammad Momeni | Iran | Wrestling | 1968 Summer | |
| Issa Momeni | 1996 Summer | |
| Aki Momii | Japan | Volleyball | 2020 Summer | |
| Yūka Momiki | Football | 2020 Summer | |
| Predrag Momirović | Serbia and Montenegro | Athletics | 2000 Summer | |
| Barent Momma | Netherlands | Modern pentathlon | 1924 Summer | |
| Jo Mommers | Football | 1952 Summer | |
| Kento Momota | Japan | Badminton | 2020 Summer | |
| Yevgeny Momotkov | Soviet Union | Athletics | 1960 Summer | |
| Nosratollah Momtahen | Iran | Shooting | 1964 Summer | |
| István Móna | Hungary | Modern pentathlon | 1968 Summer | |
| Raphaël Monachon | Switzerland | Athletics | 2000 Summer | |
| Albert II, Prince of Monaco | Monaco | Bobsleigh | 1988 Winter, 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Charlene, Princess of Monaco | South Africa | Swimming | 2000 Summer | |
| Juan Mónaco | Argentina | Tennis | 2008 Summer, 2012 Summer, 2016 Summer | |
| Terry Monaghan | Great Britain | Speed skating | 1960 Winter | |
| Kathleen Monahan | United States | Alpine skiing | 1998 Winter, 2002 Winter | |
| Mehdi Monajati | Iran | Football | 1972 Summer | |
| Dmitry Monakov | Soviet Union, Ukraine | Shooting | 1988 Summer, 1996 Summer | |
| Dominique Monami | Belgium | Tennis | 1996 Summer, 2000 Summer | |
| Jorge Monard | Ecuador | Boxing | 1980 Summer | |
| Odette Monard | France | Swimming | 1924 Summer | |
| David Monasterio | Puerto Rico | 1992 Summer | |
| María Teresa Monasterio | Bolivia | Weightlifting | 2008 Summer | |
| Ricardo Monasterio | Venezuela | Swimming | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Alexandros Monastiriotis | Greece | Water polo | 1948 Summer | |
| Tally Monastyryov | Soviet Union | Alpine skiing | 1964 Winter | |
| Børge Monberg | Denmark | Field hockey | 1928 Summer | |
| Hubert de Monbrison, Count de Monbrison [ Wikidata ] | France | Polo | 1924 Summer | |
| Gerardo Moncada | Colombia | Football | 1972 Summer | |
| Frédéric Moncassin | France | Road cycling | 1996 Summer | |
| Henri Raphaël Moncassin | Art competitions | 1924 Summer, 1932 Summer | |
| Jon Moncayola | Spain | Football | 2020 Summer | |
| Hervé du Monceau de Bergendael | Belgium | Fencing | 1936 Summer | |
| Olivier Moncelet | France | Rowing | 1996 Summer | |
| Roman Monchenko | Unified Team, Russia | 1992 Summer, 1996 Summer | |
| Abdelmajide Moncif | Morocco | Athletics | 1988 Summer | |
| John Monckton | Australia | Swimming | 1956 Summer, 1960 Summer | |
| Phil Monckton | Canada | Rowing | 1976 Summer, 1984 Summer | |
| Jacques Monclar | France | Basketball | 1984 Summer | |
| Robert Monclar | 1952 Summer, 1956 Summer, 1960 Summer | |
| Avard Moncur | Bahamas | Athletics | 2000 Summer, 2008 Summer | |
| Anil Mondal | India | Weightlifting | 1972 Summer, 1976 Summer | |
| Darshan Mondal | Artistic gymnastics | 1964 Summer | |
| Kenny Monday | United States | Wrestling | 1988 Summer, 1992 Summer, 1996 Summer | |
| Elisa Mondelli [ Wikidata ] | Italy | Rowing | 2024 Summer | |
| Massimiliano Mondello | Table tennis | 2004 Summer | |
| Albert Mondet | Switzerland | Water polo | 1920 Summer, 1924 Summer | |
| Jean Mondielli | France | Modern pentathlon | 1920 Summer | |
| Anne-Sophie Mondière | Judo | 2008 Summer, 2012 Summer | |
| Amanda Mondol | Colombia | Shooting | 2004 Summer | |
| Émilie Mondor | Canada | Athletics | 2004 Summer | |
| Faryd Mondragón | Colombia | Football | 1992 Summer | |
| Jorge Mondragón | Mexico | Diving | 1980 Summer, 1984 Summer, 1988 Summer, 1992 Summer | |
| Martín Mondragón | Athletics | 1988 Summer | |
| Eryka Mondry-Kost | Poland | Artistic gymnastics | 1960 Summer | |
| Irving Mondschein | United States | Athletics | 1948 Summer | |
| Georgy Mondzolevski | Soviet Union | Volleyball | 1964 Summer, 1968 Summer | |
| Ion Monea | Romania | Boxing | 1960 Summer, 1964 Summer, 1968 Summer | |
| Luc Monéger | France | Figure skating | 1994 Winter | |
| Steve Moneghetti | Australia | Athletics | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Phetetso Monese | Lesotho | Cycling mountain bike | 2016 Summer | |
| Marcos Moneta | Argentina | Rugby sevens | 2020 Summer, 2024 Summer | |
| Simeon Monev | Bulgaria | Modern pentathlon | 1980 Summer | |
| Ani Moneva | Swimming | 1980 Summer | |
| Dan Money | Great Britain | Bobsleigh | 2010 Winter | |
| Ken Money | Canada | Athletics | 1956 Summer | |
| Wenling Tan Monfardini | Italy | Table tennis | 2004 Summer, 2008 Summer, 2012 Summer | |
| Gaël Monfils | France | Tennis | 2008 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Maxime Monfort | Belgium | Road cycling | 2008 Summer | |
| Salvatore Monfrecola [ Wikidata ] | Italy | Rowing | 2024 Summer | |
| Aurore Mongel | France | Swimming | 2004 Summer, 2008 Summer | |
| Marc Mongeon | Canada | Wrestling | 1984 Summer | |
| Adrian Monger | Australia | Rowing | 1956 Summer | |
| Carlos Monges | Mexico | Athletics | 1948 Summer | |
| Yvette Monginou | France | 1948 Summer, 1952 Summer | |
| Dipya Mongkollugsana | Thailand | Shooting | 1968 Summer | |
| Sawong Mongkolrit | Boxing | 1960 Summer | |
| Batgereliin Möngöntuyaa | Mongolia | Athletics | 2008 Summer | |
| Antero Mongrut | Peru | 1948 Summer | |
| Elizabeth Mongudhi | Namibia | 1996 Summer, 2000 Summer | |
| Chechenol Mongush | Russia | Wrestling | 1996 Summer | |
| Héctor Moni | Argentina | Rowing | 1960 Summer | |
| Sergei Monia | Russia | Basketball | 2008 Summer, 2012 Summer | |
| Ferry Moniaga | Indonesia | Boxing | 1972 Summer | |
| Mônica | Brazil | Football | 2000 Summer, 2004 Summer | |
| Mônica | 2016 Summer | |
| Julie-Anne Monico | Australia | Artistic gymnastics | 1992 Summer | |
| Nives Monico | Italy | Sailing | 1988 Summer | |
| Dieter Monien | East Germany | Shooting | 1976 Summer | |
| Georges Monier | Belgium | Art competitions | 1920 Summer | |
| Robert Monier | France | Sailing | 1920 Summer | |
| Jean-Michel Monin | Track cycling | 1996 Summer | |
| Sophie Moniotte | Figure skating | 1992 Winter, 1994 Winter, 1998 Winter | |
| Annie Moniqui | Canada | Weightlifting | 2012 Summer | |
| Mohamed Monir | Egypt | Marathon swimming | 2008 Summer | |
| Teruyuki Moniwa | Japan | Football | 2004 Summer | |
| Adysângela Moniz | Cape Verde | Judo | 2012 Summer | |
| Francisco Moniz | Angola | Boxing | 1992 Summer | |
| Ruth Moniz | Australia | Artistic gymnastics | 1996 Summer | |
| Federico Monja | Argentina | Field hockey | 2024 Summer | |
| Juan Monjardín | Spain | Football | 1924 Summer | |
| Jaime Monjo | Sailing | 1988 Summer | |
| Jorge Monjo | Luge | 1968 Winter | |
| Craig Monk | New Zealand | Sailing | 1992 Summer, 1996 Summer | |
| Kenrick Monk | Australia | Swimming | 2008 Summer, 2012 Summer | |
| Lori Monk | United States | Speed skating | 1976 Winter | |
| Rudy Monk | Netherlands Antilles | Weightlifting | 1960 Summer, 1964 Summer, 1968 Summer | |
| Thomas Monk | Great Britain | Rowing | 1924 Summer | |
| Uwe Mönkemeyer | West Germany | Athletics | 1984 Summer | |
| Dashjamtsyn Mönkhbat | Mongolia | Road cycling | 1992 Summer | |
| Jigjidiin Mönkhbat | Wrestling | 1964 Summer, 1968 Summer, 1972 Summer | |
| Tümen-Ölziin Mönkhbayar | 2000 Summer | |
| Uranchimegiin Mönkh-Erdene | Boxing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Jamsrangiin Mönkh-Ochir | Wrestling | 1972 Summer, 1976 Summer | |
| Mönkhtöriin Lkhagvagerel | 2020 Summer, 2024 Summer | |
| Bayartsogtyn Mönkhzayaa | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Tsedevsürengiin Mönkhzayaa | Judo | 2012 Summer, 2016 Summer | |
| Tsogbadrakhyn Mönkhzul | Shooting | 2008 Summer, 2016 Summer | |
| Paolo Monna | Italy | 2020 Summer, 2024 Summer | |
| Jean-Joseph Monnard | France | Ice hockey | 1924 Winter | |
| Tsiu Monne | Lesotho | Boxing | 1984 Summer | |
| Bernard Monnereau | France | Rowing | 1960 Summer, 1964 Summer | |
| Thibaut Monnet | Switzerland | Ice hockey | 2010 Winter | |
| Akissi Monney | Ivory Coast | Judo | 2000 Summer | |
| Martin Monnickendam | Netherlands | Art competitions | 1924 Summer, 1928 Summer | |
| André Monnier | France | Ski jumping | 1952 Winter, 1956 Winter | |
| Élie Monnier | Shooting | 1936 Summer | |
| Jean Monnier | Ski jumping | 1948 Winter | |
| Jérémy Monnier | Shooting | 2012 Summer, 2016 Summer | |
| Léon Monnier | Athletics | 1900 Summer | |
| Marius Monnikendam | Netherlands | Art competitions | 1936 Summer | |
| Maurice Monniot [ Wikidata ] | France | Track cycling | 1900 Summer | |
| Henri Monnot | Sailing | 1900 Summer | |
| Maurice Monnot | 1900 Summer | |
| Eugène Monod | Switzerland | Art competitions | 1912 Summer | |
| Françoise Monod | Swimming | 1972 Summer | |
| Raphaëlle Monod | France | Freestyle skiing | 1992 Winter, 1994 Winter | |
| Ilona Mononen | Finland | Athletics | 2024 Summer | |
| Kalevi Mononen | Cross country skiing | 1952 Winter | |
| Laura Mononen | 2018 Winter | |
| Lauri Mononen | Ice hockey | 1972 Winter | |
| Matti Mononen | Athletics | 2004 Summer | |
| Yasunori Mononobe | Japan | Swimming | 2008 Summer | |
| Ncholu Monontsi | Lesotho | Boxing | 1988 Summer | |
| Attila Monostori | Hungary | Water polo | 1996 Summer | |
| Ferenc Monostori | Ice hockey | 1936 Winter | |
| Sharon Monplaisir | United States | Fencing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Gérard Monrazel | France | Bobsleigh | 1968 Winter | |
| Iñigo Monreal | Spain | Athletics | 1996 Summer, 2000 Summer | |
| Max Morinière | France | 1988 Summer, 1992 Summer | |
| Jessica Monroe | Canada | Rowing | 1992 Summer, 1996 Summer | |
| Jeysson Monroy | Colombia | Boxing | 2012 Summer | |
| Héctor Monsalve | Track cycling | 1956 Summer | |
| Hussein Monsalve | Venezuela | Road cycling | 1992 Summer, 1996 Summer | |
| Jonathan Monsalve | 2016 Summer | |
| Paulino Monsalve | Spain | Field hockey | 1980 Summer | |
| René Monse | Germany | Boxing | 1996 Summer | |
| Ron Monsegue | Trinidad and Tobago | Athletics | 1968 Summer | |
| Consuelo Monsegur | Argentina | Sailing | 2008 Summer, 2012 Summer | |
| Eddy Monsels | Suriname | Athletics | 1968 Summer | |
| Sammy Monsels | 1972 Summer, 1976 Summer | |
| Lloyd Monsen | United States | Football | 1952 Summer, 1956 Summer | |
| Magdalon Monsen | Norway | 1936 Summer | |
| Otto Monsen | Athletics | 1908 Summer, 1912 Summer | |
| Rolf Monsen | United States | Cross country skiing, Nordic combined, Ski jumping | 1928 Winter, 1932 Winter | |
| Jean-Pierre Monseré | Belgium | Road cycling | 1968 Summer | |
| Alicia Monson | United States | Athletics | 2020 Summer | |
| Walter Monson | Canada | Ice hockey | 1932 Winter | |
| Carl Monssen | Norway | Rowing | 1948 Summer | |
| Sigurd Monssen | 1948 Summer | |
| Warren Montabone | Canada | Athletics | 1924 Summer, 1928 Summer | |
| Hans Montag | West Germany | Field hockey | 1976 Summer | |
| Jan-Marco Montag | Germany | 2008 Summer | |
| Jemima Montag | Australia | Athletics | 2020 Summer, 2024 Summer | |
| Willi Montag | Germany | Rowing | 1956 Summer | |
| Liliane Montagne | France | Artistic gymnastics | 1952 Summer | |
| Léopold Montagnier | Switzerland | Fencing | 1920 Summer | |
| Edwin Montague | Great Britain | Athletics | 1908 Summer | |
| Evelyn Montague | 1924 Summer | |
| Jim Montague | Ireland | Boxing | 1972 Summer | |
| Frank Montaldi [ Wikidata ] | United States | Track cycling | 1904 Summer | |
| Carlos Montaldo | Argentina | Rowing | 1964 Summer | |
| Suzete Montalvão | Brazil | Athletics | 1988 Summer | |
| Laura Montalvo | Argentina | Tennis | 2000 Summer | |
| Miguel Montalvo | Cuba | Basketball | 1968 Summer | |
| Niurka Montalvo | Cuba, Spain | Athletics | 1996 Summer, 2004 Summer | |
| Victor Montalvo | United States | Breaking | 2024 Summer | |
| Sven Montan | Sweden | Diving | 1912 Summer | |
| José Leonardo Montaña | Colombia | Athletics | 2016 Summer, 2020 Summer | |
| Raúl Montaña | Road cycling | 1996 Summer | |
| Anna Montañana | Spain | Basketball | 2008 Summer | |
| Debora Montanari | Italy | Ice hockey | 2006 Winter | |
| Wolfango Montanari | Athletics | 1952 Summer | |
| Américo Montanarini | Brazil | Basketball | 1936 Summer | |
| José Montanaro | Volleyball | 1980 Summer, 1984 Summer, 1988 Summer | |
| Gil Montandon | Switzerland | Ice hockey | 1988 Winter, 1992 Winter | |
| Joan Montane | Andorra | Boxing | 1976 Summer | |
| Nuria Montané | Spain | Freestyle skiing | 2006 Winter | |
| Concepción Montaner | Athletics | 2000 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Aldo Montano | Italy | Fencing | 1936 Summer, 1948 Summer | |
| Aldo Montano | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Alysia Montaño | United States | Athletics | 2012 Summer | |
| Andrés Montaño | Ecuador | Wrestling | 2016 Summer, 2024 Summer | |
| Carlo Montano | Italy | Fencing | 1972 Summer, 1976 Summer | |
| Enrique Montano | Bolivia | Alpine skiing | 1988 Winter | |
| Luis Montaño | Colombia | Football | 1972 Summer | |
| Mario Aldo Montano | Italy | Fencing | 1972 Summer, 1976 Summer, 1980 Summer | |
| Mario Tullio Montano | 1972 Summer, 1976 Summer | |
| Tommaso Montano | 1976 Summer | |
| Margareth Montão | Brazil | Handball | 2000 Summer, 2004 Summer | |
| Hussain Montassir | Egypt | Basketball | 1948 Summer, 1952 Summer | |
| Bertrand de Montaudoüin | France | Modern pentathlon | 1952 Summer | |
| Pierre de Montaut | Sailing | 1936 Summer | |
| Houshang Montazeralzohour | Iran | Wrestling | 1976 Summer | |
| Noelle Montcalm | Canada | Athletics | 2016 Summer, 2020 Summer | |
| Harvey Monte | Netherlands | Baseball | 2004 Summer | |
| Manuela Montebrun | France | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| Alejandro Montecchia | Argentina | Basketball | 2004 Summer | |
| Lucas Montécot [ Wikidata ] | France | Field hockey | 2024 Summer | |
| Fausto Montefiore | Italy | Boxing | 1928 Summer | |
| Paolo Montefusco | Sailing | 1988 Summer, 1992 Summer | |
| Sandro Montefusco | 1988 Summer, 1992 Summer | |
| Teri Montefusco | United States | Artistic gymnastics | 1960 Summer | |
| Monteil [ Wikidata ] | France | 1900 Summer | |
| Allan Monteiro | Pakistan | Boxing | 1948 Summer | |
| Ana Monteiro | Portugal | Swimming | 2020 Summer | |
| António Monteiro | Canoe sprint | 1992 Summer | |
| Carlos Monteiro | Athletics | 1992 Summer | |
| Edivaldo Monteiro | 2004 Summer, 2008 Summer | |
| Francisco Monteiro | Hong Kong | Swimming | 1952 Summer | |
| Gerson Monteiro | Angola | Basketball | 2004 Summer | |
| Gideoni Monteiro | Brazil | Track cycling | 2016 Summer | |
| Inês Monteiro | Portugal | Athletics | 2004 Summer, 2008 Summer | |
| João Monteiro | Table tennis | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Johnny Monteiro | Hong Kong | Field hockey | 1964 Summer | |
| José Pedro Monteiro | Portugal | Sailing | 1984 Summer | |
| Luís Monteiro | Modern pentathlon | 1984 Summer | |
| Luís Monteiro | Swimming | 2004 Summer | |
| Lurdes Monteiro | Angola | Handball | 2016 Summer | |
| Lurdes Monteiro | Czech Republic | Athletics | 2024 Summer | |
| Marco Monteiro | Brazil | Artistic gymnastics | 1992 Summer | |
| Telma Monteiro | Portugal | Judo | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Thales Monteiro | Brazil | Basketball | 1952 Summer | |
| Thiago Monteiro | Table tennis | 2004 Summer, 2008 Summer, 2012 Summer | |
| Thiago Monteiro | Tennis | 2020 Summer, 2024 Summer | |
| Wania Monteiro | Cape Verde | Rhythmic gymnastics | 2004 Summer, 2008 Summer | |
| Steve Monteith | Canada | Ice hockey | 1968 Winter | |
| Daynellis Montejo | Cuba | Taekwondo | 2008 Summer | |
| Marco Montelatici | Italy | Athletics | 1984 Summer | |
| Santiago Montelli | Argentina | Field hockey | 2012 Summer | |
| Giuseppe Montello | Italy | Biathlon | 2018 Winter | |
| Thomas Montemage | United States | Track cycling, Road cycling | 1948 Summer, 1952 Summer, 1964 Summer | |
| Gonzalo Monte-Manibog | Philippines | Wrestling | 1952 Summer | |
| Ernesto Montemayor Sr. | Mexico | Shooting | 1948 Summer, 1952 Summer | |
| Ernesto Montemayor Jr. | 1960 Summer, 1972 Summer | |
| Ricardo Montemayor | Sailing | 2012 Summer | |
| Carlo Montemurro | Italy | Ice hockey | 1956 Winter | |
| Alfredo Montenegro | Peru | Rowing | 1984 Summer | |
| Ezequiel Montenegro | Cuba | 1964 Summer | |
| Gilda Montenegro | Costa Rica | Canoe slalom | 1992 Summer, 1996 Summer | |
| Pierre Montenot | France | Art competitions | 1932 Summer | |
| Ana Montero | Spain | Artistic swimming | 2004 Summer | |
| Anthony Montero | Venezuela | Wrestling | 2024 Summer | |
| José Antonio Montero | Spain | Basketball | 1988 Summer | |
| Ludia Montero | Cuba | Weightlifting | 2020 Summer | |
| Rafael Montero | Chile | Road cycling | 1936 Summer | |
| René Montero | Cuba | Wrestling | 2004 Summer | |
| Victoria Montero | Mexico | Badminton | 2012 Summer | |
| Janine Monterrain | France | Alpine skiing | 1960 Winter | |
| Benjamín Monterroso | Guatemala | Football | 1976 Summer | |
| Carlos Monterroso | 1976 Summer | |
| Ángel Montes de Oca | Dominican Republic | 2024 Summer | |
| Eliecer Montes de Oca | Cuba | Baseball | 1996 Summer | |
| César Montes | Mexico | Football | 2016 Summer, 2020 Summer | |
| José Montes | Weightlifting | 2012 Summer | |
| Magaly Montes | Peru | Table tennis | 1992 Summer | |
| Miguel Montes | Cuba | Handball | 2000 Summer | |
| Pablo Montes | Athletics | 1968 Summer, 1972 Summer | |
| Alessandra Montesano | Italy | Rowing | 2020 Summer | |
| Jesús Montesdeoca | Spain | Wrestling | 1988 Summer | |
| Mauricio Monteserín | Rowing | 2000 Summer | |
| Greg Montesi | United States | 1984 Summer, 1988 Summer | |
| Maurizio Montesi | Italy | Artistic gymnastics | 1976 Summer | |
| Álvaro Montesinos | Spain | 1988 Summer | |
| Cristina Montesinos [ Wikidata ] | Athletics | 2024 Summer | |
| Manuel Montesinos | Modern pentathlon | 1980 Summer | |
| Robert de Montesquiou | France | Equestrian dressage | 1900 Summer | |
| Eugenio Montessoro | Italy | Equestrian eventing | 1948 Summer | |
| Carlos Monteverde | Venezuela | Shooting | 1952 Summer, 1956 Summer, 1960 Summer | |
| António Montez | Portugal | 1924 Summer | |
| Javier Montez | United States | Athletics | 1952 Summer | |
| Pierre Montezin | France | Art competitions | 1932 Summer | |
| Antonius Montfoort | Netherlands | Fencing | 1936 Summer | |
| Robert Montgomerie | Great Britain | 1908 Summer, 1912 Summer, 1920 Summer, 1924 Summer, 1928 Summer | |
| Carol Montgomery | Canada | Triathlon | 2000 Summer, 2004 Summer | |
| Clark Montgomery | United States | Equestrian eventing | 2016 Summer | |
| Eleanor Montgomery | Athletics | 1964 Summer, 1968 Summer | |
| Elna Montgomery | Sweden | Figure skating | 1908 Summer | |
| Forest Montgomery | United States | Tennis | 1904 Summer | |
| James Montgomery | Canada | Boxing | 1956 Summer | |
| Jesse Montgomery | United States | Athletics | 1928 Summer | |
| Jim Montgomery | Swimming | 1976 Summer | |
| John Montgomery | Equestrian jumping, Equestrian dressage, Equestrian eventing, Polo | 1912 Summer, 1920 Summer | |
| Jon Montgomery | Canada | Skeleton | 2010 Winter | |
| Mary Montgomery | United States | Swimming | 1972 Summer | |
| Peter Montgomery | Australia | Water polo | 1972 Summer, 1976 Summer, 1980 Summer, 1984 Summer | |
| Robert Montgomery | Canada | Shooting | 1920 Summer, 1924 Summer | |
| Sophia Montgomery [ Wikidata ] | Thailand | Sailing | 2024 Summer | |
| Tim Montgomery | United States | Athletics | 1996 Summer, 2000 Summer | |
| Toccara Montgomery | Wrestling | 2004 Summer | |
| Walter Montgomery | Canada | 1924 Summer | |
| Henry de Montherlant | France | Art competitions | 1924 Summer | |
| Paul de Montholon [ Wikidata ] | Shooting | 1900 Summer | |
| Gaël Monthurel | Handball | 1992 Summer, 1996 Summer | |
| Bruno Monti | Italy | Road cycling | 1952 Summer | |
| Carlo Monti | Athletics | 1948 Summer | |
| Eugenio Monti | Bobsleigh | 1956 Winter, 1964 Winter, 1968 Winter | |
| Giulio Monti | Weightlifting | 1920 Summer | |
| Horacio Monti | Argentina | Sailing | 1952 Summer | |
| Luis Monti | Football | 1928 Summer | |
| Michele Monti | Italy | Judo | 2000 Summer, 2004 Summer | |
| Osvaldo Monti | Argentina | Field hockey | 1968 Summer, 1972 Summer | |
| Rodolfo Monti | 1968 Summer | |
| Rosamaria Montibeller | Brazil | Volleyball | 2020 Summer, 2024 Summer | |
| José Montiel | Spain | Athletics | 1992 Summer | |
| Juan Montiel | Uruguay | Boxing | 1988 Summer | |
| Frank Montieth | Cuba | Baseball | 2004 Summer | |
| Antonio Montilla | Venezuela | Road cycling, Track cycling | 1956 Summer | |
| Helen Montilla | Spain | Sailing | 1996 Summer | |
| Carole Montillet | France | Alpine skiing | 1998 Winter, 2002 Winter, 2006 Winter | |
| Matias Montinho | Angola | Sailing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Thobias Montler | Sweden | Athletics | 2020 Summer, 2024 Summer | |
| José Montllor | Spain | Boxing | 1928 Summer | |
| Vincent Montmeát | France | Volleyball | 2004 Summer | |
| Anne Montminy | Canada | Diving | 1992 Summer, 1996 Summer, 2000 Summer | |
| Riccardo Montolivo | Italy | Football | 2008 Summer | |
| Paolo Montorsi | Volleyball | 1976 Summer | |
| Lloyd Montour | Canada | Rowing | 1952 Summer | |
| Alejandro Montoya | Cuba | Boxing | 1972 Summer | |
| Ana María Montoya | Colombia | Football | 2012 Summer | |
| Daniela Montoya | 2012 Summer, 2024 Summer | |
| Elmer Montoya | Honduras | 2000 Summer | |
| Felipe Montoya | Spain | Figure skating | 2018 Winter | |
| Hugo Montoya | Guatemala | Football | 1968 Summer | |
| Isidro Montoya | Colombia | Athletics | 2012 Summer | |
| Juan Montoya | Guatemala | Track cycling | 1952 Summer | |
| Lourdes Montoya | Mexico | Rowing | 1992 Summer, 2000 Summer | |
| Mario Montoya | Costa Rica | Swimming | 2008 Summer, 2012 Summer | |
| Martín Montoya | Spain | Football | 2012 Summer | |
| Paolo Montoya | Costa Rica | Cycling mountain bike | 2012 Summer | |
| Richard Montpetit | Canada | Artistic gymnastics | 1960 Summer | |
| Domenico Montrone | Italy | Rowing | 2016 Summer | |
| Enrique Montserrat | Spain | Artistic gymnastics | 1960 Summer | |
| Guy Montserret | France | Swimming | 1956 Summer | |
| Amantle Montsho | Botswana | Athletics | 2004 Summer, 2008 Summer, 2012 Summer, 2020 Summer | |
| Marcel Montuel [ Wikidata ] | France | Fencing | 1900 Summer | |
| Willy Monty | Belgium | Road cycling | 1960 Summer | |
| Ngozi Monu | Nigeria | Swimming | 2000 Summer, 2008 Summer | |
| James Monyane | South Africa | Football | 2020 Summer | |
| Jude Monye | Nigeria | Athletics | 1996 Summer, 2000 Summer | |
| Omar Monza | Argentina | Basketball | 1952 Summer | |
| Jaime Monzó | Spain | Swimming | 1968 Summer | |
| Fabián Monzón | Argentina | Football | 2008 Summer | |
| Pedro Monzón | 1988 Summer | |
| Roberto Monzón | Cuba | Wrestling | 2004 Summer, 2008 Summer | |
| Víctor Hugo Monzón | Guatemala | Football | 1988 Summer | |
| Moana Moo-Caille | France | Cycling BMX racing | 2012 Summer | |
| Ernest Moodie | Cayman Islands | Track cycling | 1984 Summer | |
| Graham Moodie | Great Britain | Field hockey | 2004 Summer | |
| Natasha Moodie | Jamaica | Swimming | 2008 Summer | |
| Storme Moodie | Zimbabwe | 1992 Summer | |
| Teresa Moodie | 1996 Summer | |
| Andrea Moody | Canada | 1996 Summer | |
| Becky Moody | Great Britain | Equestrian dressage | 2024 Summer | |
| Bryan Moody | Canada | Badminton | 2000 Summer | |
| Harold Moody | Great Britain | Athletics | 1948 Summer | |
| Heather Moody | United States | Water polo | 2000 Summer, 2004 Summer | |
| John Moody | New Zealand | Badminton | 2008 Summer | |
| Patricia Moody | Great Britain | Canoe sprint | 1956 Summer | |
| Andy Moog | Canada | Ice hockey | 1988 Winter | |
| Tesama Moogas | Israel | Athletics | 2016 Summer | |
| Bertus Mooi Wilten | Netherlands | Swimming | 1936 Summer | |
| Valli Asari Mookan | India | Weightlifting | 1956 Summer | |
| Ad Moolhuijzen | Netherlands | Water polo | 1968 Summer | |
| Lola Moolhuijzen | 2024 Summer | |
| Ben Moolhuysen | Art competitions | 1936 Summer | |
| Ashleigh Moolman Pasio | South Africa | Road cycling | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Phajol Moolsan | Thailand | Boxing | 1988 Summer | |
| Moon Byung-wook | South Korea | Handball | 1992 Summer, 2000 Summer | |
| Moon Chang-jin | Football | 2016 Summer | |
| Moon Dae-sung | Taekwondo | 2004 Summer | |
| Moon Eui-jae | Wrestling | 2000 Summer, 2004 Summer | |
| Moon Hyang-ja | Handball | 1992 Summer, 1996 Summer | |
| Hyun Jin Moon | Equestrian jumping | 1988 Summer, 1992 Summer | |
| Katie Moon | United States | Athletics | 2020 Summer, 2024 Summer | |
| Moon Kyeong-ha | South Korea | Handball | 2000 Summer, 2004 Summer, 2012 Summer | |
| Moon Kyung-ae | Weightlifting | 2000 Summer | |
| Moon Kyung-eun | Basketball | 1996 Summer | |
| Moon Kyung-ja | 1984 Summer | |
| Moon Kyung-sook | Volleyball | 1964 Summer, 1968 Summer | |
| Moon Myung-seok | Wrestling | 2000 Summer | |
| Moon Pil-hee | Handball | 2004 Summer, 2008 Summer | |
| Moon Seung-woo | Swimming | 2020 Summer | |
| Moon Sung-kil | Boxing | 1984 Summer | |
| Moon Yong-kwan | Volleyball | 1984 Summer | |
| Moon Young-hui | Field hockey | 2008 Summer, 2012 Summer | |
| Thomas Moone | United States | Ice hockey | 1936 Winter | |
| Ann Mooney | Papua New Guinea | Athletics | 2000 Summer | |
| Brooke Mooney | United States | Rowing | 2020 Summer | |
| Charles Mooney | Boxing | 1976 Summer | |
| Jimmy Mooney | Ireland | Sailing | 1948 Summer, 1960 Summer | |
| John Mooney | United States | Canoe sprint | 1996 Summer, 2000 Summer | |
| Michael Mooney | Sailing | 1948 Summer | |
| Linda Moons | Netherlands | Volleyball | 1992 Summer | |
| Frans de Moor | Boxing | 1936 Summer | |
| David Moorcroft | Great Britain | Athletics | 1976 Summer, 1980 Summer, 1984 Summer | |
| Alex Moore | Canada | Wrestling | 2024 Summer | |
| Alvin Moore | United States | Equestrian dressage | 1932 Summer | |
| Ann Moore | Great Britain | Equestrian jumping | 1972 Summer | |
| Aston Moore | Athletics | 1976 Summer | |
| Audrey Moore | Australia | Swimming | 1984 Summer | |
| Belle Moore | Great Britain | 1912 Summer | |
| Carissa Moore | United States | Surfing | 2020 Summer, 2024 Summer | |
| Cecil Moore | Guyana | Weightlifting | 1952 Summer | |
| Charles Moore | United States | Athletics | 1952 Summer | |
| Colin Moore | Guyana | Boxing | 1988 Summer | |
| Craig Moore | Australia | Football | 2004 Summer | |
| Davey Moore | United States | Boxing | 1952 Summer | |
| David Moore | Australia | Shooting | 2000 Summer, 2004 Summer, 2008 Summer | |
| Edward Moore | United States | Rowing | 1920 Summer | |
| Ernest Moore | Great Britain | Art competitions | 1932 Summer | |
| Francis Moore | Canada | Ice hockey | 1936 Winter | |
| Frank Moore | Ireland | Rowing | 1988 Summer | |
| Frederic Moore | Great Britain | Shooting | 1908 Summer | |
| George Moore | United States | Modern pentathlon | 1948 Summer | |
| George Moore | Great Britain | Fencing | 1948 Summer | |
| Graeme Moore | South Africa | Swimming | 2012 Summer | |
| Hal Moore | United States | Wrestling | 1948 Summer | |
| James Moore | Fencing | 1912 Summer | |
| James Moore | Modern pentathlon | 1964 Summer, 1968 Summer | |
| Jasmine Moore | Athletics | 2020 Summer, 2024 Summer | |
| Jesse Moore | Australia | Artistic gymnastics | 2024 Summer | |
| Joan Moore | United States | 1972 Summer | |
| Joe Moore | Speed skating | 1924 Winter | |
| Joe-Max Moore | Football | 1992 Summer | |
| John Moore | Great Britain | Cross country skiing, Biathlon | 1956 Winter, 1960 Winter, 1964 Winter | |
| John Moore | United States | Rowing | 1992 Summer | |
| John Moore [ Wikidata ] | Australia | Baseball | 1996 Summer | |
| Kendis Moore | United States | Swimming | 1968 Summer | |
| Kenneth Moore | Canada | Ice hockey | 1932 Winter | |
| Kenny Moore | United States | Athletics | 1968 Summer, 1972 Summer | |
| Kristie Moore | Canada | Curling | 2010 Winter | |
| LaShauntea Moore | United States | Athletics | 2004 Summer | |
| Lizel Moore | South Africa | Triathlon | 2000 Summer | |
| Marie Moore | Canada | Swimming | 1984 Summer | |
| Mark Moore | United States | Rowing | 1960 Summer | |
| Mark Moore | Great Britain | Cross country skiing | 1984 Winter | |
| Maya Moore | United States | Basketball | 2012 Summer, 2016 Summer | |
| Meikayla Moore | New Zealand | Football | 2016 Summer, 2020 Summer, 2024 Summer | |
| Melissa Moore | Australia | Athletics | 1992 Summer | |
| Mica Moore | Great Britain | Bobsleigh | 2018 Winter | |
| Michael Moore | United States | Rowing | 1992 Summer | |
| Nathaniel Moore | Golf | 1904 Summer | |
| Oscar Moore | Athletics | 1964 Summer | |
| Richard Moore | Sailing | 1932 Summer | |
| Rob Moore | Great Britain | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| Roy Moore | Australia | Track cycling | 1956 Summer | |
| Sammy Moore | Ireland | Water polo | 1928 Summer | |
| Terry Moore | Canada | Football | 1984 Summer | |
| Tim Moore | United States | Diving | 1976 Summer | |
| Tony Moore | Fiji | Athletics | 1976 Summer | |
| Trevor Moore | United States | Sailing | 2012 Summer | |
| Wayne Moore | Swimming | 1952 Summer | |
| William Moore | Great Britain | Athletics | 1912 Summer | |
| William Moore | Track cycling | 1972 Summer | |
| Daina Moorehouse | Ireland | Boxing | 2024 Summer | |
| Cathleen Moore-Linn | Guam | Sailing | 1996 Summer | |
| Jeroen Mooren | Netherlands | Judo | 2012 Summer, 2016 Summer | |
| Merel Mooren | Beach volleyball | 2008 Summer | |
| Gary Moores | Great Britain | Wrestling | 1984 Summer | |
| Kirsten Moore-Towers | Canada | Figure skating | 2014 Winter, 2018 Winter, 2022 Winter | |
| Adrian Moorhouse | Great Britain | 1984 Summer, 1988 Summer, 1992 Summer | |
| Len Moorhouse | New Zealand | 1928 Summer | |
| Stephanie Moorhouse | Australia | Artistic gymnastics | 2004 Summer | |
| Rik Moorman | Netherlands | Track cycling | 1984 Summer | |
| Motsapi Moorosi | Lesotho | Athletics | 1972 Summer | |
| Brooklyn Moors | Canada | Artistic gymnastics | 2020 Summer | |
| Victoria Moors | 2012 Summer | |
| Leontien van Moorsel | Netherlands | Road cycling, Track cycling | 1992 Summer, 2000 Summer, 2004 Summer | |
| Kanapathy Moorthy | Malaysia | Judo | 1964 Summer | |
| Carl Moos | Switzerland | Art competitions | 1928 Summer | |
| Gustave Moos | Track cycling | 1928 Summer | |
| Heinrich Moos | Germany | Fencing | 1928 Summer | |
| Moritz Moos | Rowing | 2016 Summer | |
| Shaquille Moosa | Zambia | Swimming | 2020 Summer | |
| Hans Mooser | Switzerland | Canoe sprint | 1936 Summer | |
| Anna-Liza Mopio-Jane | Papua New Guinea | Swimming | 2008 Summer | |
| Jacob van Moppes | Netherlands | Wrestling | 1908 Summer | |
| Rajab Moqbil | Saudi Arabia | Road cycling | 1984 Summer | |
| Thabiso Moqhali | Lesotho | Athletics | 1992 Summer, 2000 Summer | |
| Alphonse Moquet [ Wikidata ] | France | Fencing | 1900 Summer | |
| Ramiro Mora Romero | Refugee Olympic Team | Weightlifting | 2024 Summer | |
| Adrián Mora | Mexico | Football | 2020 Summer | |
| Angel Mora | Cuba | Field hockey | 1980 Summer | |
| Antonio Mora | Costa Rica | Shooting | 1968 Summer | |
| Danilo Mora | Cuba | Rowing | 1980 Summer | |
| Francisco Mora | 1976 Summer, 1980 Summer | |
| Gladys Mora | Colombia | Taekwondo | 2004 Summer, 2008 Summer | |
| Iris Mora | Mexico | Football | 2004 Summer | |
| Juan Luis Mora | Spain | 1996 Summer | |
| László Móra | Hungary | Equestrian jumping | 1960 Summer, 1972 Summer | |
| Lazaro Mora | Cuba | Fencing | 1976 Summer | |
| Marius Mora | France | Cross country skiing | 1948 Winter | |
| Nelson Mora | Venezuela | Swimming | 1996 Summer | |
| Néstor Mora | Colombia | Road cycling | 1984 Summer | |
| Orlando Mora | Costa Rica | Athletics | 1984 Summer | |
| Pedro Mora | Venezuela | 2012 Summer | |
| Pere Valentí Mora | Spain | Football | 1968 Summer | |
| Radhamés Mora | Dominican Republic | Athletics | 1968 Summer | |
| Rafael Mora | Colombia | 1976 Summer | |
| Raúl Mora | Cuba | Weightlifting | 1992 Summer | |
| Sebastián Mora | Spain | Track cycling | 2012 Summer, 2020 Summer, 2024 Summer | |
| Segundo Mora | Cuba | Rowing | 1964 Summer | |
| Víctor Mora | Colombia | Athletics | 1972 Summer, 1976 Summer | |
| Mary Moraa | Kenya | 2020 Summer, 2024 Summer | |
| Steve Morabito | Switzerland | Road cycling | 2016 Summer | |
| Javier Moracho | Spain | Athletics | 1980 Summer, 1984 Summer, 1988 Summer | |
| Mehdi Moradi Ganjeh | Iran | Wrestling | 1988 Summer | |
| Mohammad Jafar Moradi | Athletics | 2016 Summer | |
| Sajjad Moradi | 2004 Summer, 2008 Summer, 2012 Summer | |
| Sohrab Moradi | Weightlifting | 2012 Summer, 2016 Summer | |
| Basílio de Moraes | Brazil | Athletics | 2004 Summer | |
| Carolina Moraes | Artistic swimming | 2000 Summer, 2004 Summer | |
| Durval de Moraes | Weightlifting | 1980 Summer | |
| Eduardo Moraes [ Wikidata ] | Swimming | 2024 Summer | |
| Fabiana Moraes | Athletics | 2016 Summer | |
| Francine Moraes | Handball | 2012 Summer | |
| George Moraes | Uganda | Field hockey | 1972 Summer | |
| Isaac Moraes | Brazil | Swimming | 1932 Summer, 1936 Summer | |
| Isabela Moraes | Artistic swimming | 2000 Summer, 2004 Summer | |
| Ronaldo Moraes | Football | 1984 Summer | |
| Konstantinos Moragiemos | Greece | Athletics | 1960 Summer | |
| Jesús Moraila | Mexico | 1928 Summer, 1932 Summer | |
| Adriano Morais | Portugal | Wrestling | 1968 Summer | |
| Álvaro Morais Filho | Brazil | Beach volleyball | 2020 Summer | |
| Andressa de Morais | Athletics | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Carlos Morais | Angola | Basketball | 2008 Summer | |
| Carolina Morais | Handball | 2012 Summer | |
| Davilson Morais | Cape Verde | Boxing | 2016 Summer | |
| Linda Morais | Canada | Wrestling | 2024 Summer | |
| Nuno Morais | Portugal | Athletics | 1948 Summer | |
| Paulo Morais [ Wikidata ] | Angola | Shooting | 1996 Summer | |
| Welington Morais | Brazil | Athletics | 2024 Summer | |
| Antonia Moraiti | Greece | Water polo | 2004 Summer | |
| Evangelia Moraitidou | 2004 Summer, 2008 Summer | |
| Georgios Moraitinis | Shooting | 1920 Summer, 1924 Summer | |
| Dimitrios Moraitis | Basketball | 2024 Summer | |
| Jacek Morajko | Poland | Road cycling | 2008 Summer | |
| Nikolaos Morakis | Greece | Shooting | 1896 Summer | |
| Juan José Moral | Spain | Road cycling | 1976 Summer | |
| Rosa del Moral | Mexico | Fencing | 1968 Summer | |
| Salvatore Morale | Italy | Athletics | 1960 Summer, 1964 Summer | |
| Francisco Morales Vivas | Argentina | Judo | 1992 Summer, 1996 Summer | |
| Christopher Morales Williams | Canada | Athletics | 2024 Summer | |
| Alberto Morales | Mexico | Boxing | 1968 Summer | |
| Albino Morales | Football | 1964 Summer, 1968 Summer | |
| Alfonso Morales | United States | Fencing | 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer | |
| Alonso Morales | Colombia | Shooting | 1984 Summer | |
| Amado Morales | Puerto Rico | Athletics | 1976 Summer | |
| Ángel Morales [ Wikidata ] | Baseball | 1992 Summer | |
| Augusto Morales | Chile | Table tennis | 1992 Summer, 1996 Summer, 2000 Summer | |
| Blanca Morales | Guatemala | Swimming | 1984 Summer, 1988 Summer, 1992 Summer | |
| Celiangeli Morales | Puerto Rico | Athletics | 2016 Summer | |
| César Morales | Mexico | Boxing | 2000 Summer | |
| Clovis Morales | Honduras | Athletics | 1968 Summer | |
| Daniel Morales | Spain | Swimming | 2000 Summer | |
| David Morales | Rowing | 1996 Summer | |
| Edgar Morales | Mexico | 1968 Summer | |
| Edgar Morales | El Salvador | Football | 1968 Summer | |
| Eliseo Morales | Spain | Rowing | 1924 Summer | |
| Félix Morales | Cuba | Basketball | 1976 Summer, 1980 Summer | |
| Gisela Morales | Guatemala | Swimming | 2004 Summer, 2008 Summer | |
| Gustavo Morales | Nicaragua | Athletics | 1968 Summer | |
| Horacio Moráles | Argentina | Football | 1964 Summer | |
| Hugo Morales | 1996 Summer | |
| Ignacio Morales | Chile | Taekwondo | 2016 Summer | |
| Ileana Morales | Venezuela | Swimming | 1972 Summer | |
| John Moráles | Puerto Rico | Basketball | 1960 Summer | |
| José Morales | Mexico | Modern pentathlon | 1932 Summer | |
| José Morales | Peru | Football | 1936 Summer | |
| José Agustín Morales | Mexico | 1992 Summer | |
| José Luis Morales | Rowing | 1972 Summer | |
| Juan Morales | Athletics | 1932 Summer | |
| Juan Morales | Cuba | 1968 Summer, 1972 Summer | |
| Juan Morales | Colombia | Road cycling | 1972 Summer | |
| Julio Morales | Costa Rica | Football | 1980 Summer | |
| Lázaro Morales | Cuba | Wrestling | 1976 Summer | |
| Luis Morales | Puerto Rico | Athletics | 1984 Summer | |
| Lynda Morales | Volleyball | 2016 Summer | |
| Marcos Morales | Argentina | Rowing | 2004 Summer | |
| María Morales | Colombia | Triathlon | 2000 Summer | |
| María Luisa Morales | Mexico | Artistic gymnastics | 1968 Summer | |
| Mario Morales | Puerto Rico | Basketball | 1988 Summer, 1992 Summer | |
| Oscar Morales | Honduras | Football | 2008 Summer | |
| Pablo Morales | United States | Swimming | 1984 Summer, 1992 Summer | |
| Raimundo Morales | Spain | Tennis | 1924 Summer | |
| René Morales | Guatemala | Football | 1976 Summer | |
| Santiago Morales | Spain | Wrestling | 1980 Summer | |
| Sebastián Morales | Colombia | Diving | 2016 Summer, 2020 Summer | |
| Silinda Oneisi Morales [ Wikidata ] | Cuba | Athletics | 2024 Summer | |
| Simon Morales | Colombia | Boxing | 1988 Summer | |
| Surella Morales | Cuba | Athletics | 1996 Summer | |
| Víctor Morales | Chile | Football | 1928 Summer | |
| Victor Morales | Ecuador | Road cycling | 1968 Summer | |
| Wilfredo Morales | Cuba | Wrestling | 1996 Summer, 2000 Summer | |
| Yeziel Morales | Puerto Rico | Swimming | 2024 Summer | |
| Ivanka Moralieva | Bulgaria | 2000 Summer, 2004 Summer | |
| Ioannis Moralis [ Wikidata ] | Greece | Athletics | 1932 Summer | |
| Chloe Moran | Australia | Track cycling | 2024 Summer | |
| Jane Moran | Water polo | 2012 Summer | |
| Jim Moran | United States | Freestyle skiing | 1998 Winter | |
| Luis Alonso Morán | Honduras | Judo | 2004 Summer | |
| Naili Moran | Turkey | Basketball | 1936 Summer | |
| Paola Morán | Mexico | Athletics | 2020 Summer, 2024 Summer | |
| Richard Moran | United States | Canoe sprint | 1956 Summer, 1960 Summer | |
| Travis Moran | Australia | Volleyball | 2004 Summer | |
| Anaïs Morand | Switzerland | Figure skating | 2010 Winter | |
| Matteo Morandi | Italy | Artistic gymnastics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Fabio Morandini | Nordic combined | 1968 Winter, 1972 Winter | |
| Maryse Morandini | France | Swimming | 1952 Summer | |
| Hans Morant | West Germany | Bobsleigh | 1976 Winter | |
| Lydia Morant | Spain | Swimming | 2008 Summer, 2012 Summer | |
| Allan Morante | France | Trampolining | 2020 Summer | |
| John Morapedi | South Africa | Athletics | 1996 Summer | |
| Vasile Morar | Romania | Ice hockey | 1976 Winter | |
| Charles Morard [ Wikidata ] | France | Boxing | 1908 Summer | |
| Karen Moras | Australia | Swimming | 1968 Summer, 1972 Summer | |
| Narelle Moras | 1972 Summer | |
| Vangelis Moras | Greece | Football | 2004 Summer | |
| Matilde Moraschi | Italy | Athletics | 1928 Summer | |
| Riccardo Moraschini | Basketball | 2020 Summer | |
| Andrea Morassi | Ski jumping | 2006 Winter, 2010 Winter | |
| Lucile Morat | France | 2018 Winter | |
| Aurora Morata | Spain | Artistic gymnastics | 1980 Summer | |
| Adelheid Morath | Germany | Cycling mountain bike | 2008 Summer, 2012 Summer | |
| Rosa Morató | Spain | Athletics | 2008 Summer | |
| Paulo Moratore | Brazil | Handball | 1992 Summer, 1996 Summer | |
| Carlos Moratorio | Argentina | Equestrian eventing | 1960 Summer, 1964 Summer, 1968 Summer | |
| Modesta Justė Morauskaitė | Lithuania | Athletics | 2024 Summer | |
| Jean-Claude Moraux | Belgium | Field hockey | 1972 Summer, 1976 Summer | |
| Gregory Morava | United States | Handball | 1984 Summer | |
| Ladislav Morava | Czechoslovakia | Artistic gymnastics | 1972 Summer | |
| Dušan Moravčík | Athletics | 1972 Summer, 1976 Summer, 1980 Summer | |
| Martina Moravčíková | Czech Republic | Swimming | 2012 Summer, 2016 Summer | |
| Soňa Moravčíková | Slovakia | Alpine skiing | 2018 Winter | |
| Zuzana Moravčíková | Ice hockey | 2010 Winter | |
| Klára Moravcová | Czech Republic | Cross country skiing | 2014 Winter | |
| Martina Moravcová | Czechoslovakia, Slovakia | Swimming | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| David Moravec | Czech Republic | Ice hockey | 1998 Winter | |
| Ondřej Moravec | Biathlon | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Roman Moravec | Czechoslovakia | Athletics | 1972 Summer | |
| Vlastimil Moravec | Road cycling | 1972 Summer, 1976 Summer | |
| Oskar Morawetz | Canada | Art competitions | 1948 Summer | |
| Lilianna Morawiec | Poland | Speed skating | 1984 Winter | |
| Jarosław Morawiecki | Ice hockey | 1988 Winter | |
| Thomas de Morawitz | Spain | Alpine skiing | 1948 Winter | |
| René Morax | Switzerland | Art competitions | 1912 Summer | |
| Bengt Morberg | Sweden | Artistic gymnastics | 1920 Summer | |
| Craig Morbey | Bermuda | Swimming | 1992 Summer | |
| John Morbey | Great Britain | Athletics | 1964 Summer | |
| Giorgio Morbiato | Italy | Track cycling | 1968 Summer, 1972 Summer | |
| Giorgio Morbidelli [ Wikidata ] | Bobsleigh | 2006 Winter | |
| Pasqualino Morbidelli | Boxing | 1972 Summer | |
| Publio Morbiducci | Art competitions | 1936 Summer | |
| Helmut Morbitzer | Austria | Equestrian jumping | 1996 Summer | |
| Abderrahmane Morceli | Algeria | Athletics | 1980 Summer, 1984 Summer | |
| Noureddine Morceli | 1992 Summer, 1996 Summer, 2000 Summer | |
| Claus Mørch Sr. | Norway | Fencing | 1948 Summer | |
| Claus Mørch Jr. | 1972 Summer | |
| Margrete Mørch | 2000 Summer | |
| Ole Mørch | 1972 Summer, 1976 Summer | |
| Paul Morchain | France | Art competitions | 1932 Summer | |
| Abdelkader Morchid | Morocco | Football | 1964 Summer | |
| Elke-Karin Morciniec | Poland | Equestrian dressage | 1980 Summer | |
| Boo Morcom | United States | Athletics | 1948 Summer | |
| Gladys Morcom | Great Britain | Swimming | 1936 Summer | |
| Stelică Morcov | Romania | Wrestling | 1976 Summer | |
| László Morcz | Hungary | Track cycling | 1980 Summer | |
| Andreas Morczinietz | Germany | Ice hockey | 2002 Winter | |
| Gilles Morda | France | Bobsleigh | 1972 Winter | |
| Ryszard Mordarski | Poland | Canoe slalom | 1996 Summer | |
| Sławomir Mordarski | 1996 Summer, 2000 Summer | |
| Mikhail Mordasov [ Wikidata ] | Russian Olympic Committee | Bobsleigh | 2022 Winter | |
| Manuel Mordi | Germany | Athletics | 2024 Summer | |
| Domenico Mordini | Italy | Sailing | 1936 Summer | |
| Aleksandr Mordovin | Russia | Fencing | 1912 Summer | |
| Berit Mørdre | Norway | Cross country skiing | 1968 Winter, 1972 Winter | |
| Per Edmund Mordt | Football | 1984 Summer | |
| Jagmal More | India | Artistic gymnastics | 1964 Summer | |
| Marcel More | Slovenia | Taekwondo | 2000 Summer | |
| Roberto Moré | Cuba | Athletics | 1976 Summer | |
| Ernest Moreau de Melen | Belgium | Football | 1900 Summer | |
| Eugène Moreau de Melen | Field hockey | 1936 Summer | |
| Andre Moreau [ Wikidata ] | France | Equestrian jumping | 1900 Summer | |
| Christophe Moreau | Road cycling | 2000 Summer, 2004 Summer | |
| Didier Moureau | Rowing | 1952 Summer | |
| Fabrice Moreau | 2012 Summer | |
| Francis Moreau | Track cycling | 1996 Summer, 2000 Summer | |
| Gilles Moreau | Swimming | 1968 Summer | |
| Guy Moreau | Belgium | Athletics | 1976 Summer, 1980 Summer | |
| Henri Moreau | France | Boxing | 1972 Summer | |
| Janet Moreau | United States | Athletics | 1952 Summer | |
| John Moreau | Fencing | 1984 Summer | |
| Jorge Moreau | Argentina | Swimming, Water polo | 1924 Summer, 1928 Summer | |
| Luc Albert Moreau | France | Art competitions | 1948 Summer | |
| Lucette Moreau | Canada | Athletics | 1976 Summer | |
| Madeleine Moreau | France | Diving | 1948 Summer, 1952 Summer | |
| Marc-André Moreau | Canada | Freestyle skiing | 2006 Winter | |
| Olivier Moreau | France | Field hockey | 1972 Summer | |
| Patrick Moreau | Football | 1996 Summer | |
| Paul Moreau-Vauthier | Art competitions | 1928 Summer, 1932 Summer | |
| Léon Moreaux | Shooting | 1900 Summer, 1908 Summer | |
| Tigist Moreda | Ethiopia | Athletics | 1992 Summer | |
| Truls Möregårdh | Sweden | Table tennis | 2024 Summer | |
| Brenda Morehead | United States | Athletics | 1976 Summer | |
| Tim Morehouse | Fencing | 2008 Summer, 2012 Summer | |
| Moreil [ Wikidata ] | France | 1900 Summer | |
| Mendy Morein | Canada | Basketball | 1948 Summer | |
| Fatima Moreira de Melo | Netherlands | Field hockey | 2000 Summer, 2004 Summer, 2008 Summer | |
| Aníbal Moreira | Angola | Basketball | 1992 Summer, 1996 Summer, 2000 Summer | |
| Antónia Moreira | Judo | 2004 Summer, 2012 Summer, 2016 Summer | |
| Antonio Moreira | Spain | Shooting | 1920 Summer | |
| Delfim Moreira | Portugal | Athletics | 1984 Summer | |
| Dolores Moreira | Uruguay | Sailing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Federico Moreira | Track cycling, Road cycling | 1988 Summer, 1992 Summer | |
| Jeferson Moreira | Brazil | Equestrian eventing | 2008 Summer | |
| José Moreira | Swimming | 1988 Summer | |
| José Moreira | Portugal | Football | 2004 Summer | |
| José Carlos Moreira | Brazil | Athletics | 2008 Summer | |
| Juraci Moreira | Triathlon | 2000 Summer, 2004 Summer, 2008 Summer | |
| Komi Moreira | Togo | Road cycling | 1992 Summer | |
| Marta Moreira | Portugal | Athletics | 1992 Summer | |
| Nancy Moreira [ Wikidata ] | Cape Verde | Boxing | 2024 Summer | |
| Pablo Moreira | Argentina | Field hockey | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Sara Moreira | Portugal | Athletics | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Severino Moreira | Brazil | Shooting | 1952 Summer, 1956 Summer | |
| Naïma Moreira-Laliberté | Canada | Equestrian dressage | 2024 Summer | |
| Alberto Moreiras | Spain | Modern pentathlon | 1948 Summer | |
| Glenda Morejón | Ecuador | Athletics | 2020 Summer, 2024 Summer | |
| Luis Morejón | Tennis | 1996 Summer | |
| Osvaldo Morejón | Bolivia | Athletics | 1984 Summer | |
| Bernard Morel | France | Fencing | 1952 Summer, 1956 Summer | |
| Eric Morel | United States | Boxing | 1996 Summer | |
| Georges Morel | France | Rowing | 1964 Summer | |
| Jacques Morel | 1960 Summer, 1964 Summer | |
| Margaret Morel | Seychelles | Athletics | 1980 Summer | |
| Pauline Morel | France | Artistic gymnastics | 2008 Summer | |
| René Morel | Athletics | 1932 Summer | |
| Silvia Morel | Chile | Table tennis | 2000 Summer | |
| Tanja Morel | Switzerland | Skeleton | 2006 Winter | |
| Pia Morelius | Sweden | Ice hockey | 1998 Winter | |
| Curdin Morell | Switzerland | Bobsleigh | 1992 Winter | |
| Ricardo Morello | Argentina | Swimming | 1964 Summer | |
| Daniel Morelon | France | Track cycling | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Marjorie Moreman | Great Britain | Artistic gymnastics | 1928 Summer | |
| Henrik Morén | Sweden | Road cycling | 1912 Summer | |
| Tamires Morena | Brazil | Handball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Cristian Moreni | Italy | Road cycling | 2004 Summer | |
| Moreno | Brazil | Football | 1968 Summer | |
| Agustín Moreno | Mexico | Tennis | 1988 Summer | |
| Alberto Moreno | Cuba | Diving | 1968 Summer | |
| Alexa Moreno | Mexico | Artistic gymnastics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Antônio Carlos Moreno | Brazil | Volleyball | 1968 Summer, 1972 Summer, 1976 Summer, 1980 Summer | |
| Cande Moreno [ Wikidata ] | Andorra | Alpine skiing | 2022 Winter | |
| Carla Moreno | Brazil | Triathlon | 2000 Summer, 2004 Summer | |
| Carlos Bernardo Moreno | Chile | Athletics | 1988 Summer | |
| Eduardo Moreno | Mexico | Swimming | 1968 Summer | |
| Frank Moreno | Cuba | Judo | 1992 Summer, 1996 Summer | |
| Geiner Moreno | Colombia | Athletics | 2024 Summer | |
| Héctor Moreno | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Henri Moreno [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Irene Moreno | United States | Rowing | 1976 Summer | |
| Iván Moreno | Chile | Athletics | 1964 Summer, 1968 Summer | |
| Jairo Moreno [ Wikidata ] | El Salvador | Judo | 2024 Summer | |
| Joan Moreno | Spain | Canoe sprint | 2024 Summer | |
| Johana Moreno | Colombia | Athletics | 2008 Summer, 2012 Summer | |
| Jonathan Soto Moreno [ Wikidata ] | Mexico | Cross country skiing | 2022 Winter | |
| José Manuel Moreno | Spain | Track cycling | 1988 Summer, 1992 Summer, 1996 Summer | |
| Juan Moreno | United States | Taekwondo | 2000 Summer | |
| Julio Moreno | Chile | Fencing | 1936 Summer | |
| Justo Moreno | Peru | Shooting | 1980 Summer, 1984 Summer | |
| Karla Moreno | Nicaragua | Weightlifting | 2008 Summer | |
| Katerine Moreno | Bolivia | Swimming | 1988 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Laura Moreno | Mexico | Artistic gymnastics | 2004 Summer | |
| Manuel Moreno | Spain | Athletics | 1992 Summer | |
| Margarida Moreno | Andorra | 1992 Summer | |
| María Moreño | El Salvador | Swimming | 1968 Summer | |
| Mauricio Moreno | Colombia | 1996 Summer | |
| Miguel Angel Moreno | El Salvador | Judo | 2000 Summer | |
| Niurka Moreno | Cuba | 1992 Summer | |
| Nuria Moreno | Spain | Field hockey | 2000 Summer | |
| Oscar Moreno | Argentina | Rowing | 1948 Summer | |
| Patricia Moreno | Spain | Artistic gymnastics | 2004 Summer | |
| Querubín Moreno | Colombia | Athletics | 1984 Summer, 1988 Summer | |
| Robeiro Moreno | Football | 1992 Summer | |
| Rodrigo Moreno | Athletics | 2008 Summer | |
| Sandy Moreno [ Wikidata ] | Nicaragua | Baseball | 1996 Summer | |
| Santiago Moreno | Spain | Athletics | 1992 Summer | |
| Sergio Moreno | Nicaragua | Weightlifting | 1976 Summer | |
| Tania Moreno | Spain | Beach volleyball | 2024 Summer | |
| Thaísa Moreno | Brazil | Football | 2016 Summer | |
| Xavier Moreno | Ecuador | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Yipsi Moreno | Cuba | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Juan Morera | Spain | Handball | 1972 Summer | |
| Lise-Marie Morerod | Switzerland | Alpine skiing | 1976 Winter | |
| Gabriela Moreschi | Brazil | Handball | 2024 Summer | |
| Julio Moreschi | Argentina | Cross country skiing | 1984 Winter, 1988 Winter | |
| Fernando Moresi | Field hockey | 1996 Summer | |
| Sophie Moressée-Pichot | France | Fencing | 1996 Summer, 2000 Summer | |
| David Moret | Switzerland | Judo | 2000 Summer | |
| Fernand Moret | Water polo | 1924 Summer, 1928 Summer | |
| María Moret | Cuba | Basketball | 1980 Summer | |
| Rachel Moret | Switzerland | Table tennis | 2020 Summer | |
| Roger Moret | Art competitions | 1928 Summer | |
| Kenia Moreta | Dominican Republic | Volleyball | 2004 Summer | |
| Penelope Moreton | Ireland | Equestrian eventing | 1968 Summer | |
| Charlene Morett | United States | Field hockey | 1984 Summer | |
| Elena Moretti | Italy | Judo | 2012 Summer | |
| Emiliano Moretti | Football | 2004 Summer | |
| Luigi Moretti | Art competitions | 1936 Summer | |
| Mario Moretti | Rowing | 1932 Summer | |
| Pasqualino Moretti | Road cycling | 1972 Summer | |
| Riccardo Moretti | Rowing | 1992 Summer | |
| Marino Morettini | Track cycling | 1952 Summer | |
| Marcia Morey | United States | Swimming | 1976 Summer | |
| Robert Morey | Rowing | 1956 Summer | |
| Felix Morf | Switzerland | Swimming | 1984 Summer | |
| Domenico Morfeo | Italy | Football | 1996 Summer | |
| Carlos Morfín | Mexico | Water polo | 1968 Summer | |
| Gertrudes Morg | Brazil | Athletics | 1948 Summer | |
| Nikita Morgachyov | Russia | Rowing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Simão Morgado | Portugal | Swimming | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Alan Morgan | United States | Sailing | 1932 Summer | |
| Alex Morgan | Jamaica | Athletics | 1996 Summer | |
| Alex Morgan | United States | Football | 2012 Summer, 2016 Summer, 2020 Summer | |
| Allen Morgan | Rowing | 1948 Summer | |
| Amelie Morgan | Great Britain | Artistic gymnastics | 2020 Summer | |
| Andrew Morgan | Cross country skiing | 1956 Winter, 1960 Winter, 1964 Winter | |
| Annika Morgan | Germany | Snowboarding | 2022 Winter | |
| Bárbaro Morgan | Cuba | Wrestling | 1972 Summer, 1976 Summer, 1980 Summer | |
| Billy Morgan | Great Britain | Snowboarding | 2014 Winter, 2018 Winter | |
| Bob Morgan | Diving | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Carroll Morgan | Canada | Boxing | 1972 Summer | |
| Chris Morgan | Australia | Rowing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Christy Morgan | United States | Field hockey | 1988 Summer | |
| Colin Morgan | Canada | Judo | 1996 Summer | |
| Dave Morgan | Great Britain | Weightlifting | 1984 Summer, 1988 Summer, 1992 Summer | |
| David Morgan | Australia | Swimming | 2016 Summer, 2020 Summer | |
| Dinsdale Morgan | Jamaica | Athletics | 1996 Summer, 2000 Summer | |
| Fred Morgan | South Africa | Shooting | 1920 Summer | |
| Gary Morgan | United States | Athletics | 1988 Summer | |
| Gene Morgan | Cross country skiing | 1972 Winter | |
| Georgina Morgan | Australia | Field hockey | 2016 Summer | |
| Gordy Morgan | United States | Wrestling | 1996 Summer | |
| Helen Morgan | Great Britain | Field hockey | 1992 Summer | |
| James Morgan | United States | Bobsleigh | 1976 Winter | |
| Jason Morgan | Jamaica | Athletics | 2012 Summer | |
| Joanne Morgan | Great Britain | Volleyball | 2012 Summer | |
| John Morgan | United States | Wrestling | 1988 Summer | |
| John Adams Morgan | Sailing | 1952 Summer | |
| Keith Morgan | Canada | Judo | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Kelly Morgan | Great Britain | Badminton | 1996 Summer, 2000 Summer, 2004 Summer | |
| Kevin Morgan | Australia | Road cycling | 1968 Summer | |
| Lawrence Morgan | Equestrian eventing | 1960 Summer | |
| Margo Morgan | Great Britain | Artistic gymnastics | 1952 Summer | |
| Melissa Morgan | Australia | Swimming | 2004 Summer | |
| Michael Morgan | Rowing | 1968 Summer, 1972 Summer | |
| Michael Morgan | Jamaica | Bobsleigh | 1998 Winter | |
| Oliver Morgan | Great Britain | Swimming | 2024 Summer | |
| Peter Morgan | Shooting | 1964 Summer | |
| Sandra Morgan | Australia | Swimming | 1956 Summer, 1960 Summer | |
| Scott Morgan | Canada | Artistic gymnastics | 2016 Summer | |
| Shona Morgan | Australia | 2008 Summer | |
| Sophia Morgan | Fiji | Sailing | 2020 Summer, 2024 Summer | |
| Sue Morgan | United States | Rowing | 1976 Summer | |
| Ted Morgan | New Zealand | Boxing | 1928 Summer | |
| Tina Morgan | Australia | Taekwondo | 2004 Summer, 2008 Summer | |
| Tony Morgan | Great Britain | Sailing | 1964 Summer | |
| Tony Morgan | Weightlifting | 1992 Summer | |
| Valerie Morgan | New Zealand | Athletics | 1960 Summer | |
| Vernon Morgan | Great Britain | 1928 Summer | |
| Wayne Morgan [ Wikidata ] | New Zealand | Road cycling | 1988 Summer | |
| Whittni Morgan | United States | Athletics | 2024 Summer | |
| Michel Morganella | Switzerland | Football | 2012 Summer | |
| Alexandra Morgenrood | Rhodesia | Diving | 1960 Summer | |
| Alois Morgenstern | Austria | Alpine skiing | 1976 Winter | |
| Floyd Morgenstern | United States | Art competitions | 1932 Summer | |
| Jorge Morgenstern | Chile | Rowing | 2000 Summer | |
| Sonja Morgenstern | East Germany | Figure skating | 1968 Winter, 1972 Winter | |
| Thomas Morgenstern | Austria | Ski jumping | 2006 Winter, 2010 Winter, 2014 Winter | |
| Jeanne Morgenthaler | Switzerland | Fencing | 1924 Summer, 1928 Summer | |
| Rudolf Morgenthaler | Athletics | 1952 Summer | |
| Nikita Morgunov | Russia | Basketball | 2000 Summer, 2008 Summer | |
| Sergey Morgunov | Athletics | 2012 Summer | |
| Lyubov Morgunova | 2000 Summer | |
| Iris Morhammer | Austria | Handball | 1992 Summer, 2000 Summer | |
| Nina Morhunova | Soviet Union | Athletics | 1972 Summer | |
| Ai Mori | Japan | Sport climbing | 2024 Summer | |
| Chiharu Mori | Swimming | 1976 Summer | |
| Chinatsu Mori | Athletics | 2004 Summer | |
| Damian Mori | Australia | Football | 1992 Summer | |
| Eita Mori | Japan | Shooting | 2016 Summer | |
| Emilio Mori | Italy | Athletics | 1936 Summer | |
| Fabrizio Mori | 1992 Summer, 1996 Summer, 2000 Summer | |
| Gyula Móri | Hungary | Wrestling | 1936 Summer | |
| Hikaru Mori | Japan | Trampolining | 2020 Summer, 2024 Summer | |
| Hisako Mori | Badminton | 1992 Summer | |
| Kanon Mori | Field hockey | 2020 Summer, 2024 Summer | |
| Kaori Mori | Badminton | 2004 Summer | |
| Katsuichi Mori | Diving | 1952 Summer | |
| Lara Mori | Italy | Artistic gymnastics | 2020 Summer | |
| Masahiko Mori | Japan | Baseball | 1996 Summer | |
| Mieko Mori | Artistic gymnastics | 1988 Summer | |
| Miguel Mori | Argentina | Football | 1964 Summer | |
| Minori Mori | Japan | Athletics | 1984 Summer | |
| Nagako Mori | Snowboarding | 2002 Winter | |
| Satoshi Mori | Basketball | 1972 Summer, 1976 Summer | |
| Satoshi Mori | Nordic combined | 1998 Winter, 2002 Winter | |
| Sayaka Mori | Softball | 2020 Summer | |
| Takahiro Mori | Swimming | 2004 Summer | |
| Takaji Mori | Football | 1968 Summer | |
| Takumi Mori | Wrestling | 1992 Summer | |
| Vincenzo Mori | Italy | Artistic gymnastics | 1968 Summer | |
| Jamie Moriarty | United States | Bobsleigh | 2010 Winter | |
| Jim Moriarty | Luge | 1968 Winter, 1976 Winter | |
| Victor Moriaud | Switzerland | Athletics | 1924 Summer | |
| Ilaix Moriba | Guinea | Football | 2024 Summer | |
| Ante Moric | Australia | 1996 Summer | |
| Oreste Moricca | Italy | Fencing | 1924 Summer | |
| Ervin Mórich | Hungary | Rowing | 1924 Summer | |
| Lucia Morico | Italy | Judo | 2004 Summer, 2008 Summer | |
| Massimo Moriconi | Canoe sprint | 1976 Summer | |
| Nicola Moriconi | Rowing | 2004 Summer | |
| Kálmán Móricz | Hungary | Shooting | 1908 Summer | |
| Fernando Morientes | Spain | Football | 1996 Summer | |
| Akiko Morigami | Japan | Tennis | 2004 Summer | |
| Barbara Moriggl [ Wikidata ] | Italy | Cross country skiing | 2006 Winter | |
| Thomas Moriggl | 2010 Winter | |
| Renzo Morigi | Shooting | 1932 Summer | |
| Akemi Morikawa | Japan | Fencing | 1988 Summer | |
| Collin Morikawa | United States | Golf | 2020 Summer, 2024 Summer | |
| Yoshio Morikawa | Japan | Athletics | 1976 Summer | |
| Elio Morille | Italy | Rowing | 1948 Summer, 1952 Summer | |
| Brigitte Morillo | Ecuador | Equestrian dressage | 1984 Summer | |
| Daniel Morillo | Spain | Archery | 2008 Summer | |
| Eduardo Morillo | Mexico | Swimming | 1984 Summer | |
| José Morillo | Spain | Water polo | 1984 Summer | |
| Juan Morillo | Venezuela | Athletics | 2000 Summer | |
| Moira Morillo [ Wikidata ] | Dominican Republic | Judo | 2024 Summer | |
| Nikolay Morilov | Russia | Cross country skiing | 2010 Winter | |
| Marcel Morimont | Belgium | Rowing | 1908 Summer | |
| Akemi Morimoto | Japan | Track cycling | 2000 Summer | |
| Kenji Morimoto | Equestrian jumping | 1996 Summer | |
| Mamoru Morimoto | Athletics | 1964 Summer | |
| Mariko Morimoto [ Wikidata ] | 2024 Summer | |
| Sakae Morimoto | Field hockey | 2004 Summer, 2008 Summer | |
| Takayuki Morimoto | Football | 2008 Summer | |
| Sachiko Morimura | Artistic gymnastics | 1988 Summer | |
| Achille Morin [ Wikidata ] | France | Fencing | 1900 Summer | |
| Andréanne Morin | Canada | Rowing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Janet Morin | Artistic gymnastics | 1992 Summer | |
| Jean Morin | France | Bobsleigh | 1948 Winter | |
| Rachel Morin | Shooting | 1988 Summer | |
| Sidney Morin | United States | Ice hockey | 2018 Winter | |
| Yannick Morin | Canada | Bobsleigh | 2002 Winter | |
| Masaki Morinaga | Japan | Athletics | 1992 Summer, 2000 Summer | |
| Masao Morinaka | Baseball | 1996 Summer | |
| Patrick Morineau | France | Rowing | 1976 Summer | |
| Werner Moring | Germany | Cross country skiing | 1956 Winter | |
| Hércules Morini | Argentina | Sailing | 1952 Summer | |
| Sofia Morini | Italy | Swimming | 2024 Summer | |
| Masahiko Morino | Japan | Baseball | 2008 Summer | |
| Maiko Morio | Artistic gymnastics | 1984 Summer, 1988 Summer | |
| Eiji Morioka | Boxing | 1968 Summer | |
| Hatsuko Morioka | Swimming | 1932 Summer, 1936 Summer | |
| Kōichirō Morioka | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Ryuzo Morioka | Football | 2000 Summer | |
| Shigeru Morioka | 1996 Summer | |
| Jean-Pierre Moris | Luxembourg | Swimming | 1924 Summer | |
| Lucia Moris | South Sudan | Athletics | 2020 Summer, 2024 Summer | |
| Paule Moris | France | Alpine skiing | 1956 Winter | |
| Arashi Morisaka | Japan | Boxing | 2016 Summer | |
| Kōji Morisaki | Football | 2004 Summer | |
| Jacques Morise | France | Field hockey | 1920 Summer | |
| Guglielmo Morisetti | Italy | Track cycling | 1908 Summer | |
| Masato Morishige | Japan | Football | 2008 Summer | |
| Wataru Morishige | Speed skating | 2022 Winter | |
| Katsuji Morishima | Ice hockey | 1964 Winter, 1968 Winter | |
| Kōichi Morishita | Athletics | 1992 Summer | |
| Masato Morishita | Baseball | 2020 Summer | |
| Satoko Morishita | Swimming | 1988 Summer | |
| Matthew Morison | Canada | Snowboarding | 2010 Winter, 2014 Winter | |
| Jacques Morisson | France | Ice hockey | 1936 Winter | |
| Shinji Morisue | Japan | Artistic gymnastics | 1984 Summer | |
| Ayumi Morita | Tennis | 2008 Summer | |
| Hisao Morita | Athletics | 1964 Summer | |
| Jungo Morita | Volleyball | 1968 Summer, 1972 Summer | |
| Kimie Morita | 1984 Summer | |
| Tomomi Morita | Swimming | 2004 Summer, 2008 Summer | |
| Erich Moritz | Austria | Sailing | 1960 Summer, 1972 Summer | |
| Jørgen Moritzen | Denmark | Weightlifting | 1948 Summer, 1952 Summer | |
| Yoshite Moriwaki | Japan | Wrestling | 1976 Summer | |
| Yuito Moriwaki | Boxing | 2020 Summer | |
| Miyabi Moriya | Football | 2024 Summer | |
| Ryuichi Moriya | Archery | 2008 Summer | |
| Hozumi Moriyama | Speed skating | 1988 Winter | |
| Teruhisa Moriyama | Volleyball | 1964 Summer | |
| Yasutoshi Moriyama | Wrestling | 1984 Summer, 1988 Summer, 1992 Summer | |
| Yoshiko Morizane | Swimming | 1964 Summer | |
| Børge Mørk | Norway | 1992 Summer, 1996 Summer | |
| Ingolf Mork | Ski jumping | 1972 Winter | |
| Nora Mørk | Handball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Gerald Mörken | West Germany | Swimming | 1984 Summer | |
| Dorothy Morkis | United States | Equestrian dressage | 1976 Summer | |
| Michael Mørkøv | Denmark | Track cycling, Road cycling | 2008 Summer, 2012 Summer, 2020 Summer, 2024 Summer | |
| Andrey Morkovin | Uzbekistan | Swimming | 2004 Summer | |
| Valentin Morkovkin | Soviet Union | Rowing | 1960 Summer | |
| Bohumil Mořkovský | Czechoslovakia | Artistic gymnastics | 1924 Summer | |
| Emiliano Morlans | Spain | Cross country skiing | 1980 Winter | |
| Leire Morlans | Alpine skiing | 2006 Winter | |
| Roger Morlet | Belgium | Field hockey | 1952 Summer | |
| David Morley | Bahamas | Swimming | 1984 Summer | |
| Emily Morley | Rowing | 2016 Summer | |
| Susan Morley | Great Britain | Athletics | 1984 Summer | |
| Kay Morley-Brown | 1992 Summer | |
| Abraham Morlu | Liberia | 2000 Summer | |
| Steve Mormando | United States | Fencing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Chiara Mormile [ Wikidata ] | Italy | 2024 Summer | |
| Nicolas Morn | Luxembourg | Road cycling | 1952 Summer | |
| Carlo Mornati | Italy | Rowing | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Niccolò Mornati | 2004 Summer, 2008 Summer, 2012 Summer | |
| Marie-Josée Morneau | Canada | Judo | 1996 Summer | |
| Roger Moeremans d'Emaüs | Belgium | Equestrian jumping, Equestrian eventing | 1920 Summer | |
| Helmer Mörner | Sweden | Equestrian eventing | 1920 Summer | |
| Erica Morningstar | Canada | Swimming | 2008 Summer, 2012 Summer | |
| Daniel Moro | Spain | Water polo | 2000 Summer, 2004 Summer | |
| Gerry Moro | Canada | Athletics | 1964 Summer, 1972 Summer | |
| Iván Moro | Spain | Water polo | 1996 Summer, 2000 Summer, 2004 Summer | |
| Lisa Moro | Australia | Artistic gymnastics | 1996 Summer | |
| Oskari Mörö | Finland | Athletics | 2016 Summer | |
| Paloma Moro | Spain | Artistic gymnastics | 2000 Summer | |
| Paola Moro | Italy | Athletics | 1984 Summer | |
| Sara Moro | Spain | Artistic gymnastics | 2000 Summer, 2004 Summer | |
| Mpho Morobe | Lesotho | Athletics | 1996 Summer | |
| Rick Morocco | Italy | Ice hockey | 1992 Winter | |
| Karin Moroder | Cross country skiing | 1998 Winter, 2002 Winter, 2010 Winter | |
| Petra Moroder | Freestyle skiing | 1992 Winter, 1994 Winter, 1998 Winter | |
| Saburō Moroi | Japan | Art competitions | 1936 Summer | |
| Galefele Moroko | Botswana | Athletics | 2020 Summer | |
| Jaime Morón | Colombia | Football | 1972 Summer | |
| James Moroney | United States | Rowing | 1972 Summer, 1976 Summer | |
| Mike Moroney | Australia | Athletics | 1956 Summer | |
| Arturo Moroni | Italy | Rowing | 1928 Summer | |
| Camilla Moroni [ Wikidata ] | Sport climbing | 2024 Summer | |
| Joseph Moroni | France | Rowing | 1960 Summer, 1964 Summer | |
| Matías Moroni | Argentina | Rugby sevens | 2016 Summer | |
| María Moronta | Dominican Republic | Boxing | 2020 Summer, 2024 Summer | |
| Doru Moroșan | Romania | Ice hockey | 1976 Winter, 1980 Winter | |
| Mădălina Moroșan [ Wikidata ] | Rowing | 2024 Summer | |
| Anton Morosani | Switzerland | Ice hockey | 1928 Winter | |
| Angela Moroșanu | Romania | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Francesca Morotti | Italy | Artistic gymnastics | 1996 Summer | |
| Fumihiko Moroyama | Japan | Basketball | 1964 Summer | |
| Artem Moroz | Ukraine | Rowing | 2012 Summer | |
| Daniela Moroz | United States | Sailing | 2024 Summer | |
| Nataliya Moroz | Belarus | Biathlon | 1998 Winter | |
| Olga Moroz | Archery | 1996 Summer, 2000 Summer | |
| Olha Moroz | Ukraine | Athletics | 1996 Summer | |
| Aleksandr Morozov | Soviet Union | 1968 Summer | |
| Alexei Morozov | Russia | Ice hockey | 1998 Winter, 2010 Winter | |
| Artem Morozov | Ukraine | Rowing | 2012 Summer, 2016 Summer | |
| Dmitri Morozov | Russia | Judo | 2000 Summer | |
| Dmitry Morozov [ Wikidata ] | Kazakhstan | Speed skating | 2022 Winter | |
| Nikolai Morozov | Belarus | Figure skating | 1998 Winter | |
| Stanislav Morozov | Ukraine | 2002 Winter, 2006 Winter, 2010 Winter | |
| Vladimir Morozov | Russia, Russian Olympic Committee | Swimming | 2012 Summer, 2016 Summer, 2020 Summer | |
| Vladimir Morozov | Russian Olympic Committee | Figure skating | 2018 Winter, 2022 Winter | |
| Vladimir Ivanovich Morozov | Soviet Union | Canoe sprint | 1964 Summer, 1968 Summer, 1972 Summer | |
| Vladimir Ivanovich Morozov | 1976 Summer | |
| Yevgeny Morozov | Rowing | 1952 Summer | |
| Nadezhda Morozova | Russian Olympic Committee | Ice hockey | 2018 Winter | |
| Nadezhda Morozova | Kazakhstan | Speed skating | 2022 Winter | |
| Natalya Morozova | Unified Team, Russia | Volleyball | 1992 Summer, 1996 Summer, 2000 Summer | |
| Vladimirs Morozovs | Latvia | Weightlifting | 1996 Summer | |
| Kosuke Morozumi | Japan | Curling | 2018 Winter | |
| Yusuke Morozumi | 2018 Winter | |
| George Morphy | Great Britain | Athletics | 1908 Summer | |
| Harold Morphy | Rowing | 1924 Summer | |
| Giancarlo Morpugo | Italy | Bobsleigh | 1928 Winter | |
| Sergio Morra | Field hockey | 1952 Summer | |
| Norman Morrell | Great Britain | Wrestling | 1936 Summer | |
| François Morren | Belgium | Athletics | 1920 Summer, 1924 Summer | |
| Giancarlo Morresi | Italy | Modern pentathlon | 1968 Summer | |
| Bruno Morri | San Marino | Shooting | 1972 Summer, 1976 Summer, 1980 Summer, 1984 Summer | |
| Simo Morri | Finland | 1968 Summer | |
| Trevor Morrice | Canada | Ski jumping | 2010 Winter, 2014 Winter | |
| Julián Morrinson | Cuba | Athletics | 1976 Summer | |
| Alwyn Morris | Canada | Canoe sprint | 1984 Summer, 1988 Summer | |
| Andrew Morris | Great Britain | Artistic gymnastics | 1984 Summer, 1988 Summer | |
| Anna Morris | Track cycling | 2024 Summer | |
| Cavour Morris | Barbados | Shooting | 1972 Summer | |
| Charles Morris | Great Britain | Boxing | 1908 Summer | |
| Charlie Morris | Australia | Athletics | 1956 Summer | |
| Cori Morris | Canada | Curling | 2010 Winter | |
| David Morris | Australia | Freestyle skiing | 2010 Winter, 2014 Winter, 2018 Winter | |
| Desmond Morris | Jamaica | Athletics | 1980 Summer, 1984 Summer | |
| Devon Morris | 1984 Summer, 1988 Summer, 1992 Summer | |
| Eva Morris [ Wikidata ] | New Zealand | Artistic swimming | 2024 Summer | |
| Frank Morris [ Wikidata ] | Canada | Shooting | 1908 Summer | |
| Frederick Morris | United States | Sailing | 1928 Summer | |
| George H. Morris | Equestrian jumping | 1960 Summer | |
| Glen Morris [ Wikidata ] | South Africa | Baseball | 2000 Summer | |
| Glenn Morris | United States | Athletics | 1936 Summer | |
| Grae Morris | Australia | Sailing | 2024 Summer | |
| Graham Morris | Great Britain | Diving | 1988 Summer | |
| Hampton Morris | United States | Weightlifting | 2024 Summer | |
| Harry Morris | Australia | Diving, Wrestling | 1928 Summer | |
| Herbert Morris | United States | Rowing | 1936 Summer | |
| Ian Morris | Trinidad and Tobago | Athletics | 1988 Summer, 1992 Summer | |
| Jason Morris | United States | Judo | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Jenn Morris | Australia | Field hockey | 1996 Summer, 2000 Summer | |
| Jim Morris | Great Britain | Athletics | 1948 Summer | |
| John Morris | Alpinism | 1924 Winter | |
| John Morris | Canada | Curling | 2010 Winter, 2018 Winter, 2022 Winter | |
| Joseph Morris | United States | Sailing | 2016 Summer | |
| Ken Morris | Bobsleigh | 1972 Winter | |
| Nicola Morris | New Zealand | Judo | 1992 Summer | |
| Oliver Morris | Great Britain | Artistic gymnastics | 1920 Summer | |
| Peter Morris | Swimming | 1980 Summer | |
| Price Morris | Canada | Weightlifting | 1972 Summer | |
| Richard Morris | Great Britain | Athletics | 1948 Summer | |
| Robert Schofield Morris | Canada | Art competitions | 1948 Summer | |
| Ron Morris | United States | Athletics | 1960 Summer | |
| Rosemary Morris | Great Britain | Water polo | 2012 Summer | |
| Ruth Morris | Virgin Islands | Athletics | 1988 Summer, 1992 Summer | |
| Sandi Morris | United States | 2016 Summer, 2020 Summer | |
| Stanley Morris | Great Britain | Art competitions | 1948 Summer | |
| Stewart Morris | Sailing | 1948 Summer | |
| Stuart Morris | Field hockey | 1968 Summer | |
| Tashreeq Morris | South Africa | Football | 2016 Summer | |
| Taylor Morris | United States | Luge | 2018 Winter | |
| Tom Morris | Canada | Road cycling | 1972 Summer, 1976 Summer | |
| Tracey Morris | Great Britain | Athletics | 2004 Summer | |
| Treen Morris | Ireland | Sailing | 1972 Summer | |
| Una Morris | Jamaica | Athletics | 1964 Summer, 1968 Summer, 1972 Summer | |
| Warren Morris | United States | Baseball | 1996 Summer | |
| William Morris | Great Britain | Shooting | 1908 Summer | |
| William Morris | United States | 1964 Summer | |
| Rory Morrish | Ireland | Cross country skiing | 2006 Winter | |
| Aileen Morrison | Triathlon | 2012 Summer, 2016 Summer | |
| Allie Morrison | United States | Wrestling | 1928 Summer | |
| Angus Morrison | Canoe slalom, Canoe sprint | 1972 Summer, 1976 Summer | |
| Brian Morrison | Canada | Athletics | 1988 Summer | |
| Charlie Morrison | New Zealand | Field hockey | 2024 Summer | |
| Joe Morrison | 2024 Summer | |
| Dan Morrison | Virgin Islands | Sailing | 1976 Summer | |
| Denny Morrison | Canada | Speed skating | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Ebony Morrison | Liberia | Athletics | 2020 Summer, 2024 Summer | |
| Fiona Morrison | Andorra | Sailing | 1996 Summer | |
| Gordon Morrison | Canada | Alpine skiing | 1952 Winter | |
| Jessica Morrison | Australia | Rowing | 2016 Summer, 2020 Summer, 2024 Summer | |
| John Morrison | United States | Ice hockey | 1968 Winter | |
| Josie Morrison | Canada | Speed skating | 2018 Winter | |
| Keri Morrison | 2018 Winter | |
| Natasha Morrison | Jamaica | Athletics | 2020 Summer | |
| Phillip Morrison | Brazil | Swimming | 2008 Summer | |
| Robert Morrison | Great Britain | Rowing | 1924 Summer | |
| Stevie Morrison | Sailing | 2008 Summer, 2012 Summer | |
| Vacinuff Morrison | Judo | 1976 Summer | |
| LeeLee Morrison-Henry | Canada | Freestyle skiing | 1992 Winter | |
| Melissa Morrison-Howard | United States | Athletics | 2000 Summer, 2004 Summer | |
| Brian Morrissette | Virgin Islands | 1984 Summer | |
| Thomas Morrissey | United States | 1908 Summer | |
| Viran Morros | Spain | Handball | 2012 Summer, 2020 Summer | |
| Bobby Morrow | United States | Athletics | 1956 Summer | |
| Brenden Morrow | Canada | Ice hockey | 2010 Winter | |
| Bruce Morrow | Australia | Football | 1956 Summer | |
| Carol Ann Morrow | Canada | Diving | 1964 Summer | |
| Ken Morrow | United States | Ice hockey | 1980 Winter | |
| Rebel Morrow | Australia | Equestrian eventing | 2004 Summer | |
| Simmone Morrow | Softball | 2000 Summer, 2004 Summer, 2008 Summer | |
| Suzanne Morrow Francis | Canada | Figure skating | 1948 Winter, 1952 Winter | |
| Jorien ter Mors | Netherlands | Short track speed skating, Speed skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Ikina Morsch | Artistic gymnastics | 1972 Summer | |
| Heinz Mörschel | Dominican Republic | Football | 2024 Summer | |
| Harald Morscher | Austria | Road cycling | 1996 Summer | |
| Brett Morse | Great Britain | Athletics | 2012 Summer | |
| Michael Morse | United States | Freestyle skiing | 2010 Winter | |
| Terry Morse | Biathlon | 1972 Winter | |
| Danny Morseu | Australia | Basketball | 1980 Summer, 1984 Summer | |
| Pavel Morshchinin | Soviet Union | Cross country skiing | 1960 Winter | |
| Henry Morshead | Great Britain | Alpinism | 1924 Winter | |
| Natalya Morskova | Soviet Union, Unified Team | Handball | 1988 Summer, 1992 Summer | |
| Haydy Morsy | Egypt | Modern pentathlon | 2016 Summer, 2020 Summer | |
| Gerald Mortag | East Germany | Track cycling | 1980 Summer | |
| Anthony Mortas | France | Ice hockey | 1998 Winter, 2002 Winter | |
| Donatien Mortelette | Rowing | 2004 Summer | |
| Dorian Mortelette | 2008 Summer, 2012 Summer, 2016 Summer | |
| Arne Mortensen | Norway | 1920 Summer | |
| Børge Mortensen | Denmark | Track cycling | 1948 Summer | |
| Carl Mortensen | Norway | Sailing | 1952 Summer | |
| Casper Ulrich Mortensen | Denmark | Handball | 2016 Summer | |
| Eva Mortensen | Swimming | 1988 Summer | |
| Franz Mortensen | 1984 Summer, 1988 Summer, 1992 Summer | |
| Jens Jørn Mortensen | Weightlifting | 1952 Summer | |
| Karen Mortensen [ Wikidata ] | Rowing | 2024 Summer | |
| Karin Mortensen | Handball | 2000 Summer, 2004 Summer, 2012 Summer | |
| Leif Mortensen | Road cycling | 1968 Summer | |
| Martine Steller Mortensen | Norway | Sailing | 2020 Summer | |
| Matt Mortensen | United States | Luge | 2014 Winter, 2018 Winter | |
| Poul Mortensen | Denmark | Rowing | 1960 Summer | |
| Tommy Mortensen | Judo | 1988 Summer | |
| Jay Mortenson | United States | Swimming | 1988 Summer | |
| Tommy Mörth | Sweden | Ice hockey | 1984 Winter | |
| René Mortiaux | Belgium | Bobsleigh | 1924 Winter | |
| Mortier [ Wikidata ] | France | Swimming | 1900 Summer | |
| Gilberte Mortier | 1924 Summer | |
| Angus Mortimer | Canada | Canoe sprint | 2008 Summer | |
| Jack Mortimer | Great Britain | Wrestling | 1948 Summer | |
| Herbert Mörtl | Austria | Ice hockey | 1976 Winter | |
| Jack Mortland | United States | Athletics | 1964 Summer | |
| Agnes Morton | Great Britain | Tennis | 1908 Summer | |
| Anne Morton | Swimming | 1956 Summer | |
| Bernice Morton | Saint Kitts and Nevis | Athletics | 1996 Summer | |
| Brian Morton | Australia | Canoe sprint | 1996 Summer, 2000 Summer | |
| Cameron Morton | Biathlon | 2006 Winter | |
| Charles Morton | United States | Road cycling, Track cycling | 1936 Summer | |
| Cristian Morton | Nigeria | Athletics | 2012 Summer | |
| John Morton | United States | Biathlon | 1976 Winter | |
| John W. Morton | Great Britain | Athletics | 1908 Summer | |
| Lee Morton | Field hockey | 2024 Summer | |
| Les Morton | Athletics | 1988 Summer, 1992 Summer | |
| Lesley Morton | New Zealand | 1992 Summer | |
| Lucy Morton | Great Britain | Swimming | 1924 Summer | |
| Margaret Morton | Curling | 2002 Winter | |
| Mary Morton | Art competitions | 1948 Summer | |
| Michelle Morton | Canada | Speed skating | 1994 Winter, 1998 Winter | |
| Pat Morton | South Africa | Wrestling | 1948 Summer | |
| Stephanie Morton | Australia | Track cycling | 2016 Summer | |
| William Morton | Canada | 1908 Summer | |
| Andrey Moruyev | Russia | Athletics | 1996 Summer | |
| Gildas Morvan | France | Sailing | 1996 Summer | |
| Hervé Morvan | Art competitions | 1948 Summer | |
| Michal Morvay | Slovakia | Athletics | 2020 Summer | |
| Pascal Morvillers | France | Equestrian eventing | 1984 Summer, 1988 Summer | |
| Charlize Mörz | Austria | Artistic gymnastics | 2024 Summer | |
| Tristani Mosakhlishvili | Spain | Judo | 2024 Summer | |
| Amos Mosaner | Italy | Curling | 2018 Winter, 2022 Winter | |
| Mari Paz Mosanga Motanga | Equatorial Guinea | Athletics | 2000 Summer | |
| Mohammad Al-Mosawi | Kuwait | Karate | 2020 Summer | |
| Mosad Mosbah | Egypt | Weightlifting | 1984 Summer | |
| Samuel Mosberg | United States | Boxing | 1920 Summer | |
| Rudy Mosbergen | Singapore | Field hockey | 1956 Summer | |
| Fadri Mosca | Switzerland | Snowboarding | 1998 Winter | |
| Rafael Mosca | Brazil | Swimming | 2004 Summer | |
| Lucas Moscariello | Argentina | Handball | 2020 Summer, 2024 Summer | |
| Edoardo Moscatelli | Italy | Sailing | 1928 Summer | |
| Roberto Moscatelli | 1924 Summer | |
| Carmelina Moscato | Canada | Football | 2012 Summer | |
| Valentina Moscatt | Italy | Judo | 2016 Summer | |
| Christina Moschi [ Wikidata ] | Greece | Shooting | 2024 Summer | |
| Mario Moschi | Italy | Art competitions | 1936 Summer | |
| Robert Mösching | Switzerland | Ski jumping | 1976 Winter, 1980 Winter | |
| Ileana Moschos | Greece | Football | 2004 Summer | |
| Gianni Moscon | Italy | Road cycling | 2020 Summer | |
| Alain Mosconi | France | Swimming | 1968 Summer, 1972 Summer | |
| Katia Mosconi | Italy | Short track speed skating | 1994 Winter | |
| Jon Moscot | Israel | Baseball | 2020 Summer | |
| Dylan Moscovitch | Canada | Figure skating | 2014 Winter | |
| Carl C. Mose | United States | Art competitions | 1928 Summer | |
| Harry Mosé | Brazil | Rowing | 1952 Summer | |
| Paul Mose | Kenya | Athletics | 1968 Summer, 1972 Summer | |
| Carol Moseke | United States | 1968 Summer | |
| Oganeditse Moseki | Botswana | 2004 Summer | |
| Giacomo Mosele | Italy | Cross country skiing | 1952 Winter | |
| Goodman Mosele | South Africa | Football | 2020 Summer | |
| Jonny Moseley | United States | Freestyle skiing | 1998 Winter, 2002 Winter | |
| Whitfield Moseley | Nigeria | Boxing | 1960 Summer | |
| Laurence Mosely | United States | Shooting | 1960 Summer | |
| Kimpale Mosengo | Democratic Republic of the Congo | Road cycling | 1988 Summer | |
| Regine Mösenlechner | West Germany, Germany | Alpine skiing | 1980 Winter, 1984 Winter, 1988 Winter, 1992 Winter | |
| Albrecht Moser | Switzerland | Athletics | 1972 Summer | |
| Alois Moser | Canada | Ski jumping | 1960 Winter | |
| Ana Moser | Brazil | Volleyball | 1988 Summer, 1992 Summer, 1996 Summer | |
| Angelica Moser | Switzerland | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Benjamin Moser [ Wikidata ] | Austria | Cross country skiing | 2022 Winter | |
| Christian Moser | Ski jumping | 1994 Winter | |
| Christina Moser | West Germany | Field hockey | 1984 Summer | |
| Francesco Moser | Italy | Road cycling | 1972 Summer | |
| Fritz Moser | Austria | Speed skating, Rowing | 1928 Winter, 1936 Summer | |
| Hans Moser | Switzerland | Equestrian dressage, Equestrian eventing | 1936 Summer, 1948 Summer | |
| Josef Moser | Austria | Track cycling | 1936 Summer | |
| Marijke Moser | Switzerland | Athletics | 1972 Summer | |
| Max Moser | Austria | Ice hockey | 1976 Winter | |
| Michèle Moser | Switzerland | Curling | 2006 Winter | |
| Petsch Moser | Freestyle skiing | 1992 Winter | |
| Severin Moser | Athletics | 1988 Summer | |
| Simon Moser | Ice hockey | 2014 Winter, 2018 Winter, 2022 Winter | |
| Werner Moser | Austria | Bobsleigh | 1972 Winter | |
| Willi Moser | Switzerland | Athletics | 1920 Summer, 1924 Summer | |
| Wolfgang Moser | United States | Rowing | 2000 Summer, 2004 Summer | |
| Božena Moserová | Czechoslovakia | Alpine skiing | 1948 Winter | |
| Annemarie Moser-Pröll | Austria | 1972 Winter, 1980 Winter | |
| Charles Moses | Ghana | Athletics | 1984 Summer | |
| Ed Moses | United States | Swimming | 2000 Summer | |
| Edwin Moses | Athletics | 1976 Summer, 1984 Summer, 1988 Summer | |
| Melisa Moses | Diving | 1996 Summer | |
| Merrill Moses | Water polo | 2008 Summer, 2012 Summer, 2016 Summer | |
| Rolande Moses | Grenada | Boxing | 2008 Summer | |
| Levan Moseshvili | Soviet Union | Basketball | 1964 Summer | |
| Paolo Mosetti | Italy | Rowing | 1960 Summer | |
| Leonel Mosevich | Argentina | Football | 2020 Summer | |
| Leonid Moseyev | Soviet Union | Athletics | 1976 Summer, 1980 Summer | |
| Mikaella Moshe | Israel | Archery | 2024 Summer | |
| Scott Mosher | Canada | Field hockey | 2000 Summer | |
| Magdalena Moshi | Tanzania | Swimming | 2008 Summer, 2012 Summer, 2016 Summer | |
| Yury Moshkin | Soviet Union | Nordic combined, Ski jumping | 1956 Winter | |
| Bahram Moshtaghi | Iran | Wrestling | 1976 Summer | |
| Prisca Mosimann | Switzerland | Ice hockey | 2006 Winter | |
| Vasily Mosin | Russia | Shooting | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Veronika Mosina | Athletics | 2012 Summer | |
| Yakov Moskachenkov | Soviet Union | 1952 Summer | |
| Alexander Moskalenko | Russia | Trampolining | 2000 Summer, 2004 Summer | |
| Larisa Moskalenko | Soviet Union, Unified Team | Sailing | 1988 Summer, 1992 Summer | |
| Vitaliy Moskalenko | Russia | Athletics | 2004 Summer | |
| Svetlana Moskalets | 1996 Summer | |
| Elena Moskalová-Poláková | Czechoslovakia | Volleyball | 1968 Summer, 1972 Summer | |
| Vera Moskalyuk | Russia | Judo | 2004 Summer, 2008 Summer, 2012 Summer | |
| Othon Moskhidis | Greece | Wrestling | 1968 Summer, 1972 Summer | |
| Georgi Moskov | Bulgaria | 1960 Summer | |
| Stanislav Moskvin | Soviet Union | Track cycling | 1960 Summer, 1964 Summer, 1968 Summer | |
| Kseniya Moskvina | Russia | Swimming | 2008 Summer | |
| Nataliia Moskvina | Ukraine | Trampolining | 2016 Summer | |
| Tamara Moskvina | Soviet Union | Figure skating | 1968 Winter | |
| Tatiana Moskvina | Belarus | Judo | 1996 Summer, 2004 Summer | |
| Tracey Mosley | Australia | Softball | 2004 Summer, 2008 Summer | |
| Mohamed Moslih | North Yemen | | 1988 Summer | |
| Frans Mosman | Netherlands | Fencing | 1928 Summer, 1936 Summer, 1948 Summer | |
| Miroslav Mosnár | Slovakia | Ice hockey | 1998 Winter | |
| Boris Mosolov | Soviet Union | Modern pentathlon | 1976 Summer | |
| Moses Mosop | Kenya | Athletics | 2004 Summer | |
| Justyna Mospinek | Poland | Archery | 2004 Summer, 2008 Summer | |
| Isidro Mosquea | Dominican Republic | Boxing | 2004 Summer | |
| Gabriela Mosqueira | Paraguay | Rowing | 2012 Summer, 2016 Summer | |
| Ismael Mosqueira | Mexico | Artistic gymnastics | 1932 Summer | |
| Rolando Mosqueira | Chile | Equestrian eventing | 1952 Summer | |
| Cristhian Mosquera | Spain | Football | 2024 Summer | |
| Edwin Mosquera | Colombia | Weightlifting | 2008 Summer, 2016 Summer | |
| Fabio Mosquera | Football | 1968 Summer | |
| Geiner Mosquera | Athletics | 2008 Summer | |
| Jarlis Mosquera | Wrestling | 2008 Summer | |
| José David Mosquera | Boxing | 2004 Summer | |
| Juana Mosquera | Athletics | 1972 Summer | |
| Luis Mosquera | Chile | Football | 1984 Summer | |
| Luis Javier Mosquera | Colombia | Weightlifting | 2016 Summer, 2020 Summer, 2024 Summer | |
| Mabel Mosquera | 2004 Summer | |
| Charles Moss | Great Britain | Road cycling | 1912 Summer | |
| Curtis Moss | Canada | Athletics | 2012 Summer | |
| Megan Moss | Bahamas | 2020 Summer | |
| Shona Moss | Canada | Sailing | 1992 Summer | |
| Tanya Moss | New Zealand | Rhythmic gymnastics | 1984 Summer | |
| Vera Mossa | Brazil | Volleyball | 1980 Summer, 1984 Summer, 1988 Summer | |
| Fredrik Mossberg | Sweden | Shooting | 1908 Summer | |
| Anthony Mosse | New Zealand | Swimming | 1984 Summer, 1988 Summer | |
| Estelle Mossely | France | Boxing | 2016 Summer, 2024 Summer | |
| José Mossiane | Mozambique | Swimming | 1992 Summer | |
| Walter Mössinger | West Germany | Artistic gymnastics | 1972 Summer | |
| Louis Mossmann [ Wikidata ] | France | Track cycling | 1900 Summer | |
| Eduard Mössmer | Austria | Ice hockey | 1964 Winter | |
| Hans Mössmer | 1956 Winter | |
| Josef Mössmer | 1968 Winter | |
| Mossu [ Wikidata ] | France | Fencing | 1900 Summer | |
| Masoud Mostafa-Jokar | Iran | Wrestling | 2004 Summer | |
| Meisam Mostafa-Jokar | 2008 Summer | |
| Ahmed Mostafa | Egypt | Football | 1964 Summer | |
| Anas Mostafa | Fencing | 2012 Summer | |
| Enas Mostafa | Wrestling | 2016 Summer, 2020 Summer | |
| Wael Fahim Mostafa | Field hockey | 1992 Summer | |
| Dariush Mostafavi | Iran | Football | 1964 Summer | |
| Joseph Mostert | Belgium | Athletics | 1936 Summer | |
| Spyridon Mostras [ Wikidata ] | Greece | Shooting | 1912 Summer | |
| Malin Moström | Sweden | Football | 2000 Summer, 2004 Summer | |
| Moses Mosuhli | Lesotho | Athletics | 2008 Summer | |
| Rampa Mosveu | Botswana | 1996 Summer | |
| Golekane Mosweu | 1980 Summer | |
| Bernardo Mota | Portugal | 1992 Summer, 1996 Summer, 2000 Summer | |
| Joaquim da Mota | Shooting | 1936 Summer | |
| Kayky Mota [ Wikidata ] | Brazil | Swimming | 2024 Summer | |
| Rosa Mota | Portugal | Athletics | 1984 Summer, 1988 Summer | |
| Valdemar Mota | Football | 1928 Summer | |
| Yoveinny Mota | Venezuela | Athletics | 2024 Summer | |
| Alaa Motar | Iraq | 2004 Summer | |
| Boati Motau | South Africa | Water polo | 2020 Summer | |
| Khotso Motau | Boxing | 2004 Summer | |
| Nico Motchebon | Germany | Athletics | 1996 Summer | |
| Emad Moteab | Egypt | Football | 2012 Summer | |
| Masaru Motegi | Japan | Wrestling | 1976 Summer | |
| Zensaku Motegi | Athletics | 1920 Summer | |
| Dalibor Motejlek | Czechoslovakia | Ski jumping | 1964 Winter | |
| Cydonie Mothersille | Cayman Islands | Athletics | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Lebo Mothiba | South Africa | Football | 2016 Summer | |
| Jonas Motiejūnas | Soviet Union | Rowing | 1964 Summer | |
| Jonas Motiejūnas | Lithuania | Athletics | 2000 Summer | |
| Aleksandr Motin | Soviet Union | Rowing | 1972 Summer | |
| Linda Motlhalo | South Africa | Football | 2016 Summer | |
| Artūrs Motmillers | Latvia | Athletics | 1924 Summer, 1928 Summer, 1936 Summer | |
| Hirokuni Moto | Japan | Boxing | 1996 Summer | |
| Yuki Motobuchi | Diving | 1988 Summer, 1992 Summer, 1996 Summer | |
| Valeria Motogna-Beșe | Romania | Handball | 2000 Summer, 2008 Summer | |
| Mari Motohashi | Japan | Curling | 2006 Winter, 2010 Winter | |
| Nako Motohashi | Basketball | 2020 Summer, 2024 Summer | |
| Sanae Motokawa | 2016 Summer | |
| Hiroki Motoki | Handball | 2020 Summer, 2024 Summer | |
| Sakura Motoki | Wrestling | 2024 Summer | |
| Yasutoshi Motoki | 2000 Summer | |
| Naoki Motomura | Rugby sevens | 2020 Summer | |
| Teresa Motos | Spain | Field hockey | 1992 Summer, 1996 Summer | |
| Hideaki Motoyama | Japan | Badminton | 1992 Summer | |
| Masashi Motoyama | Football | 2000 Summer | |
| Miwako Motoyoshi | Artistic swimming | 1984 Summer | |
| Efim Motpan | Moldova | Athletics | 2000 Summer | |
| Hanna Motrechko | Unified Team | Rowing | 1992 Summer | |
| Edith Motridge | United States | Swimming | 1936 Summer | |
| Olegk Motsalin | Greece | Wrestling | 2012 Summer | |
| Morris Mott | Canada | Ice hockey | 1968 Winter | |
| Vern Mott | Norway | 1988 Winter | |
| Alfredo da Motta | Brazil | Basketball | 1948 Summer, 1952 Summer | |
| Carlos Motta | Judo | 1976 Summer | |
| Carlos Motta | Guatemala | Boxing | 1984 Summer | |
| Carlos da Motta | Brazil | Equestrian jumping | 1992 Summer | |
| Marco Motta | Italy | Football | 2008 Summer | |
| Maria Teresa Motta | Judo | 1992 Summer | |
| Jack Mottart | Belgium | Rowing | 1928 Summer | |
| Alfred Motté | France | Athletics | 1908 Summer, 1912 Summer | |
| Jean-François Van Der Motte | Belgium | Road cycling | 1936 Summer | |
| Killian Mottet | Switzerland | Ice hockey | 2022 Winter | |
| Maxime Mottet | Belgium | Shooting | 2016 Summer | |
| William Motti | France | Athletics | 1984 Summer, 1992 Summer | |
| Ernest Mottier | Switzerland | Ice hockey | 1924 Winter | |
| Henri Mottier | Wrestling | 1960 Summer | |
| Simone Mottini | Italy | Freestyle skiing | 1992 Winter, 1994 Winter | |
| Michael Mottl | Australia | Sailing | 1992 Summer | |
| Václav Mottl | Czechoslovakia | Canoe sprint | 1936 Summer | |
| Wendell Mottley | Trinidad and Tobago | Athletics | 1964 Summer | |
| Roberto Mottola di Amato | Italy | Sailing | 1972 Summer, 1976 Summer | |
| Béatrice Mottoulle | Belgium | Swimming | 1972 Summer | |
| Craig Mottram | Australia | Athletics | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Alamanda Motuga | Samoa | Rugby sevens | 2024 Summer | |
| Brock Motum | Australia | Basketball | 2016 Summer | |
| Gift Motupa | South Africa | Football | 2016 Summer | |
| Aleksandr Motuzenko | Soviet Union | Canoe sprint | 1988 Summer | |
| Stanisław Motyka | Poland | Nordic combined | 1928 Winter | |
| Tomasz Motyka | Fencing | 2008 Summer | |
| Zdzisław Motyka | Cross country skiing | 1928 Winter, 1932 Winter | |
| Walter Motz | Germany | 1936 Winter | |
| Peter Motzek | Canada | Field hockey | 1976 Summer | |
| Beat Motzer | Switzerland | Wrestling | 2000 Summer | |
| Mou Ying-hsin | Chinese Taipei | Swimming | 1996 Summer | |
| Mou Zuoyun | China | Basketball | 1936 Summer | |
| Mohamed Moualek | Algeria | Wrestling | 1980 Summer | |
| Bruce Mouat | Great Britain | Curling | 2022 Winter | |
| Mike Mouat | Canada | Field hockey | 1976 Summer | |
| Abdelkader El Mouaziz | Morocco | Athletics | 1996 Summer, 2000 Summer | |
| Bouchaib El Moubarki | Football | 2000 Summer, 2004 Summer | |
| Alan Mouchawar | United States | Water polo | 1988 Summer | |
| Maurice Moucheraud | France | Road cycling | 1956 Summer | |
| Nordine Mouchi | Boxing | 1996 Summer | |
| Jacky Moucq | Belgium | Field hockey | 1952 Summer | |
| Albachir Mouctar | Niger | Swimming | 2016 Summer | |
| Mouloud Moudakkar | Morocco | Football | 1992 Summer | |
| Yassine Moudatir | Judo | 2012 Summer | |
| Xenofon Moudatsios | Greece | Water polo | 1984 Summer | |
| Anjum Moudgil | India | Shooting | 2020 Summer, 2024 Summer | |
| Younès Moudrik | Morocco | Athletics | 2000 Summer | |
| Pamela Mouele-Mboussi | Republic of the Congo | 2008 Summer | |
| Khaled Mouelhi | Tunisia | Football | 2004 Summer | |
| Francis Mougel | France | Biathlon | 1984 Winter, 1988 Winter | |
| Yvon Mougel | 1976 Winter, 1980 Winter, 1984 Winter | |
| Hala El-Moughrabi | Syria | Athletics | 1980 Summer | |
| Jamal Moughrabi | Wrestling | 1980 Summer | |
| Graham Moughton | Great Britain | Boxing | 1972 Summer | |
| Eugène Mougin | France | Archery | 1900 Summer | |
| Dimitrios Mouyios | Greece | Rowing | 2008 Summer | |
| Liesbeth Mouha | Belgium | Beach volleyball | 2008 Summer | |
| Aziz Abbes Mouhiidine | Italy | Boxing | 2024 Summer | |
| Abdi Waiss Mouhyadin | Djibouti | Athletics | 2016 Summer, 2024 Summer | |
| Mehdi Mouidi | Morocco | Alpine skiing | 1968 Winter | |
| Henri Mouillefarine | France | Road cycling, Track cycling | 1932 Summer | |
| Mohamed Al Moukdad | Lebanon | Boxing | 1980 Summer | |
| Hussein Moukhtar | Egypt | Weightlifting | 1928 Summer, 1936 Summer | |
| Sayed Moukhtar | Athletics | 1948 Summer | |
| Abdelkader Moukhtatif | Morocco | Football | 1964 Summer | |
| Rkia El Moukim | Athletics | 2020 Summer | |
| Wissy Frank Hoye Yenda Moukoula [ Wikidata ] | Gabon | 2024 Summer | |
| Aissa Moukrim | Morocco | Boxing | 1988 Summer | |
| Slimane Moula | Algeria | Athletics | 2024 Summer | |
| Tony Moulai | France | Triathlon | 2008 Summer | |
| Ahmed Ait Moulay | Morocco | Alpine skiing | 1984 Winter, 1988 Winter | |
| Joanne Mould | Great Britain | Field hockey | 1996 Summer | |
| Jane Moulin [ Wikidata ] | France | Equestrian dressage | 1900 Summer | |
| Jean Moulin | Luxembourg | Athletics | 1928 Summer | |
| Marjatta Moulin | Finland | Fencing | 1960 Summer | |
| Bertrand Moulinet | France | Athletics | 2012 Summer | |
| Ivana Moulisová | Czechoslovakia | Volleyball | 1972 Summer | |
| Bernard Moullier | France | Ski jumping | 1980 Winter | |
| Augustus Moulton | Liberia | Athletics | 1984 Summer | |
| Fay Moulton | United States | 1904 Summer | |
| Madge Moulton | Great Britain | Diving | 1936 Summer | |
| Michelle Moultrie | United States | Softball | 2020 Summer | |
| Abderrahim Moum | Morocco | Weightlifting | 2020 Summer | |
| Tvin Carole Moumjoghlian | Lebanon | Table tennis | 2012 Summer | |
| Johan Mounard | France | Artistic gymnastics | 2004 Summer | |
| Michelle Banga Moundzoula | Republic of the Congo | Athletics | 2004 Summer | |
| G. Mounier | France | Artistic gymnastics | 1908 Summer | |
| Jean-Jacques Mounier | Judo | 1972 Summer | |
| Tara Mounsey | United States | Ice hockey | 1998 Winter, 2002 Winter | |
| Frank Mount Pleasant | Athletics | 1908 Summer | |
| George Mount | Road cycling | 1976 Summer | |
| Edgar Mountain | Great Britain | Athletics | 1920 Summer, 1924 Summer | |
| Lori Mountford | United States | Curling | 1998 Winter | |
| Tim Mountford | Track cycling | 1964 Summer, 1968 Summer | |
| Ana Moura | Portugal | Badminton | 2008 Summer | |
| Lucas Moura | Brazil | Football | 2012 Summer | |
| Lucimar de Moura | Athletics | 2004 Summer, 2008 Summer | |
| Mayara Moura | Handball | 2012 Summer, 2016 Summer | |
| Sónia Moura | Portugal | Artistic gymnastics | 1988 Summer | |
| Thiago Moura | Brazil | Athletics | 2020 Summer | |
| Anthony Moura-Komenan | Ivory Coast | Football | 2008 Summer | |
| Mike Mourant | Canada | Diving | 1984 Summer | |
| Francisco Mourão | Portugal | Sailing | 1976 Summer | |
| Jaqueline Mourão | Brazil | Cycling mountain bike, Cross country skiing, Biathlon | 2004 Summer, 2006 Winter, 2008 Summer, 2010 Winter, 2014 Winter, 2018 Winter, 2020 Summer, 2022 Winter | |
| Mário Mourão | Portugal | Fencing | 1952 Summer | |
| Tatiana Mouratova | Russia | Modern pentathlon | 2000 Summer, 2004 Summer, 2008 Summer | |
| Jean-Baptiste Mourcia | France | 2024 Summer | |
| Louis Moureau | Fencing | 1920 Summer | |
| Mohammed Mourhit | Belgium | Athletics | 2000 Summer | |
| Patrice Mourier | France | Wrestling | 1984 Summer, 1988 Summer, 1992 Summer | |
| Konstantinos Mourikis | Greece | Water polo | 2012 Summer, 2016 Summer, 2020 Summer | |
| Anne-Marie Mouri-Nkeng | Cameroon | Athletics | 2000 Summer | |
| Gastón Mouriño | Argentina | Handball | 2020 Summer, 2024 Summer | |
| Jack Mourioux | France | Track cycling | 1968 Summer | |
| Jens Mouris | Netherlands | 2000 Summer, 2004 Summer, 2008 Summer | |
| André Mourlon | France | Athletics | 1924 Summer, 1928 Summer | |
| René Mourlon | 1912 Summer, 1920 Summer, 1924 Summer | |
| Tim Mourniac | Sailing | 2024 Summer | |
| Alonzo Mourning | United States | Basketball | 2000 Summer | |
| Michalis Mouroutsos | Greece | Taekwondo | 2000 Summer, 2004 Summer | |
| Guy le Mouroux | France | Sailing | 1952 Summer | |
| Nagi Ghazi Moursine | Iraq | Athletics | 1988 Summer | |
| Mohamed Mourtada | Lebanon | Weightlifting | 1960 Summer | |
| Mohamed Mousa | Egypt | 2000 Summer | |
| Sadiq Mousa | Iraq | Football | 1984 Summer | |
| Kaveh Mousavi | Iran | Athletics | 2012 Summer, 2016 Summer | |
| Mohammad Mousavi | Volleyball | 2016 Summer, 2020 Summer | |
| Shahin Mousavi | Boxing | 2020 Summer | |
| Pierre Mousel | Luxembourg | Football | 1936 Summer | |
| Hany Mouselhy | Egypt | Volleyball | 2000 Summer | |
| Mohamed Mouselhy | 2000 Summer | |
| Anastasios Mousidis | Greece | Wrestling | 1960 Summer | |
| Elena Mousikou | Cyprus | Archery | 2008 Summer | |
| Yacine Mousli | Algeria | Athletics | 1992 Summer | |
| Ahmad Hassan Moussa | Qatar | 2004 Summer | |
| Ahmed Moussa | Algeria | Judo | 1980 Summer | |
| Doaa Moussa | Egypt | Rowing | 2004 Summer | |
| Hany Moussa | Basketball | 1988 Summer | |
| Hassen Moussa | Tunisia | Judo | 1996 Summer, 2000 Summer | |
| Meriem Moussa | Algeria | 2008 Summer | |
| Mohamed Hassan Moussa | Egypt | Wrestling | 1948 Summer, 1952 Summer | |
| Mustapha Moussa | Algeria | Boxing | 1984 Summer | |
| Omar Moussa | Djibouti | Athletics | 1988 Summer, 1996 Summer | |
| Sarkis Moussa | Lebanon | Boxing | 1952 Summer | |
| Driss Moussaid | Morocco | 2008 Summer | |
| Alfred Moussambani | Cameroon | Athletics | 1996 Summer, 2000 Summer | |
| Eric Moussambani | Equatorial Guinea | Swimming | 2000 Summer | |
| Samir Moussaoui | Algeria | Athletics | 2000 Summer, 2004 Summer | |
| Laëtitia Moussard | France | Basketball | 2000 Summer | |
| Émile Moussat | Art competitions | 1928 Summer | |
| Amaury de la Moussaye | Equestrian eventing | 1936 Summer | |
| Pierre Moussette | Sailing | 1900 Summer | |
| Daniel Moussiaux | Belgium | Field hockey | 1964 Summer | |
| Edmond Moussié | France | Sailing | 1924 Summer | |
| Pierre Moussié | 1928 Summer | |
| Jeanine Moussier | Athletics | 1948 Summer | |
| Franck Moussima | Cameroon | Judo | 2004 Summer, 2008 Summer | |
| Adel Ibrahim Moustafa | Egypt | Wrestling | 1948 Summer, 1952 Summer | |
| Amrou Moustafa | Boxing | 1996 Summer, 2000 Summer | |
| Hanafi Moustafa | Weightlifting | 1948 Summer | |
| Helmi Moustafa | Football | 1936 Summer | |
| Housham Moustafa | Shooting | 1984 Summer | |
| Ibrahim Moustafa | Wrestling | 1924 Summer, 1928 Summer | |
| Kamal Kenawi Ali Moustafa | Swimming | 1972 Summer | |
| May Moustafa | Fencing | 2000 Summer | |
| Kseniya Moustafaeva | France | Rhythmic gymnastics | 2016 Summer | |
| Moustakopoulos | Greece | Shooting | 1896 Summer | |
| Mohamed Moustaoui | Morocco | Athletics | 2008 Summer, 2012 Summer | |
| Georgios Moustopoulos | Greece | Wrestling | 1992 Summer | |
| Stavros Moutaftsidis | Athletics | 1972 Summer | |
| Yasmine Mouttaki | Morocco | Boxing | 2024 Summer | |
| Camille Moutard [ Wikidata ] | France | Athletics | 2024 Summer | |
| Maurice Moutat | Cameroon | Road cycling | 1976 Summer | |
| Nawal El Moutawakel | Morocco | Athletics | 1984 Summer | |
| Corentin Moutet | France | Tennis | 2024 Summer | |
| Béatrice Mouthon | Triathlon | 2000 Summer | |
| Isabelle Mouthon-Michellys | 2000 Summer | |
| Achraf Moutii [ Wikidata ] | Morocco | Judo | 2024 Summer | |
| Armando Moutinho | Portugal | Water polo | 1952 Summer | |
| Jacques Mouton | Belgium | Shooting | 1924 Summer | |
| Lea Moutoussamy | Algeria | Fencing | 2012 Summer | |
| Sotirios Moutsanas | Greece | Athletics | 1984 Summer | |
| Driss Mouttaqui | Morocco | Football | 1984 Summer | |
| Nicolas Moutton | France | Rowing | 2012 Summer | |
| Jacques Mouvet | Belgium | Bobsleigh | 1948 Winter | |
| José Mouzinho | Portugal | Equestrian jumping | 1924 Summer, 1928 Summer | |
| Abdollah Movahed | Iran | Wrestling | 1964 Summer, 1968 Summer, 1972 Summer | |
| Dariush Movahedi | Water polo | 1976 Summer | |
| Olena Movchan | Ukraine | Trampolining | 2004 Summer, 2008 Summer | |
| Valery Movchan | Soviet Union | Track cycling | 1980 Summer | |
| Richard Movitz | United States | Alpine skiing | 1948 Winter | |
| Vicki Movsessian-Lamoriello | Ice hockey | 1998 Winter | |
| Andrew Mowatt | Canada | Athletics | 1988 Summer | |
| Kemar Mowatt | Jamaica | 2020 Summer | |
| Alison Mowbray | Great Britain | Rowing | 2000 Summer, 2004 Summer | |
| Ragnhild Mowinckel | Norway | Alpine skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Stephen Mowlam | Australia | Field hockey | 2004 Summer | |
| Piotr Mowlik | Poland | Football | 1976 Summer | |
| Nick Mowrer | United States | Shooting | 2012 Summer, 2020 Summer | |
| Osbourne Moxey | Bahamas | Athletics | 2004 Summer | |
| Keely Moy | Switzerland | Ice hockey | 2022 Winter | |
| Merv Moy | Australia | Basketball | 1956 Summer | |
| Milagros Moy | Peru | Volleyball | 1996 Summer, 2000 Summer | |
| Willy Moy | France | Artistic gymnastics | 1976 Summer, 1980 Summer | |
| Brayan Moya | Honduras | Football | 2020 Summer | |
| Carlos Moyá | Spain | Tennis | 2004 Summer | |
| Diego Moya | Chile | Triathlon | 2020 Summer, 2024 Summer | |
| Esther Moya | Spain | Artistic gymnastics | 2000 Summer | |
| Joaquín Moya | Fencing | 1960 Summer | |
| Leydi Moya | Cuba | Modern pentathlon | 2016 Summer, 2020 Summer | |
| Mariano Moya | Spain | Water polo | 1984 Summer, 1988 Summer | |
| Pol Moya | Andorra | Athletics | 2016 Summer, 2020 Summer | |
| Roberto Moya | Cuba | 1992 Summer, 1996 Summer | |
| Sabina Moya | Colombia | 2000 Summer | |
| Sandra Moya | Puerto Rico | 2000 Summer | |
| Víctor Moya | Cuba | 2012 Summer | |
| Armand Mouyal | France | Fencing | 1952 Summer, 1956 Summer, 1960 Summer | |
| Saul Moyal | Egypt | 1928 Summer | |
| Yohanan Moyal | Israel | Artistic gymnastics | 1984 Summer | |
| Gcinile Moyane | Eswatini | Athletics | 2004 Summer | |
| Andrés Gabriel Moyano [ Wikidata ] | Argentina | Handball | 2024 Summer | |
| Walter Moyano | Uruguay | Road cycling | 1956 Summer | |
| Magdeline Moyengwa | Botswana | Weightlifting | 2020 Summer | |
| Diane Moyer | United States | Field hockey | 1984 Summer | |
| Steve Moyers | Football | 1984 Summer | |
| Filippo Moyersoen | Italy | Equestrian jumping | 1984 Summer | |
| Michael Moyle | Australia | Baseball | 2000 Summer | |
| Cathal Moynihan | Ireland | Rowing | 2008 Summer | |
| Colin Moynihan, 4th Baron Moynihan | Great Britain | 1980 Summer, 1984 Summer | |
| Henry Moyo | Malawi | Athletics | 1996 Summer | |
| Samukeliso Moyo | Zimbabwe | 2000 Summer | |
| Christophe Moyon | France | Ice hockey | 1994 Winter | |
| Heather Moyse | Canada | Bobsleigh | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Aram Peñaflor Moysen [ Wikidata ] | Mexico | Triathlon | 2024 Summer | |
| Andrei Mozalev | Russian Olympic Committee | Figure skating | 2022 Winter | |
| Mozart | Brazil | Football | 2000 Summer | |
| Andrzej Możdżeń | Poland | Boxing | 1988 Summer | |
| Marcin Możdżonek | Volleyball | 2008 Summer, 2012 Summer | |
| Kira Mozgalova | Russia | Shooting | 2012 Summer | |
| Timofey Mozgov | Basketball | 2012 Summer | |
| Sergey Mozhaev | Freestyle skiing | 2014 Winter | |
| Anna Mozhar | Kazakhstan | Archery | 1996 Summer | |
| Aleksandr Mozhayev | Soviet Union | Fencing | 1980 Summer | |
| Vyacheslav Mozhayev | Sailing | 1960 Summer | |
| Stephen Mozia | Nigeria | Athletics | 2016 Summer | |
| Rok Možič | Slovenia | Volleyball | 2024 Summer | |
| Vojtěch Mozík | Czech Republic | Ice hockey | 2018 Winter, 2022 Winter | |
| Aleksandr Mozin | Soviet Union | Speed skating | 1988 Winter | |
| Isabel Mozún | Spain | Athletics | 1984 Summer | |
| Sergei Mozyakin | Russian Olympic Committee | Ice hockey | 2018 Winter | |
| Luca Mozzato | Italy | Road cycling | 2024 Summer | |
| Faustin Mparabanyi [ Wikidata ] | Rwanda | 1992 Summer | |
| Ryan Mphahlele | South Africa | Athletics | 2024 Summer | |
| Lyton Mphande | Malawi | Boxing | 1988 Summer | |
| Françoise M'Pika | Republic of the Congo | Athletics | 1984 Summer | |
| Emmanuel M'Pioh | 1980 Summer, 1984 Summer | |
| Isaac Mpofu | Zimbabwe | 2024 Summer | |
| Divine Miansadi Mpolo [ Wikidata ] | Democratic Republic of the Congo | Swimming | 2024 Summer | |
| Thuso Mpuang | South Africa | Athletics | 2008 Summer | |
| Zintle Mpupha | Rugby sevens | 2024 Summer | |
| Marouane M'rabet | Tunisia | Volleyball | 2012 Summer | |
| Mohamed Mrabet | Canoe sprint | 2012 Summer, 2016 Summer, 2020 Summer | |
| Taki Mrabet | Swimming | 2012 Summer | |
| František Mráček | Czechoslovakia | Wrestling | 1936 Summer | |
| Mária Mračnová | Athletics | 1968 Summer, 1976 Summer | |
| Tina Mrak | Slovenia | Sailing | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Todor Mrankov | Bulgaria | Rowing | 1976 Summer, 1980 Summer | |
| Banuelia Mrashani | Tanzania | Athletics | 2004 Summer | |
| Luka Mratović | Croatia | Sailing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Martin Mravík | Slovakia | Water polo | 2000 Summer | |
| Ivan Mráz | Czechoslovakia | Football | 1964 Summer | |
| Pavel Mráz | Czech Republic | Canoe sprint | 1996 Summer | |
| Ivan Mrázek | Czechoslovakia | Basketball | 1948 Summer, 1952 Summer | |
| Roman Mrázek | Czechoslovakia, Slovakia | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Jana Mrázková | Czechoslovakia | Figure skating | 1960 Winter, 1964 Winter | |
| Kateřina Mrázová | Czechoslovakia, Czech Republic | 1992 Winter, 1994 Winter, 1998 Winter | |
| Kateřina Mrázová | Czech Republic | Ice hockey | 2022 Winter | |
| Miljan Mrdaković | Serbia | Football | 2008 Summer | |
| Duško Mrduljaš | Yugoslavia | Rowing | 1972 Summer, 1976 Summer, 1980 Summer | |
| Elko Mrduljaš | 1936 Summer | |
| Mitar Mrkela | Football | 1984 Summer | |
| Monika Mrklas | West Germany | Cross country skiing | 1968 Winter, 1972 Winter | |
| Jasmin Mrkonja | Yugoslavia | Handball | 1980 Summer | |
| Kurt Mrkwicka | Austria | Diving | 1960 Summer, 1964 Summer | |
| Morten Mørland [ Wikidata ] | Norway | Canoe sprint | 1976 Summer | |
| Magdalena Mroczkiewicz | Poland | Fencing | 2000 Summer, 2008 Summer | |
| Roswitha Mroczynski | West Germany | Handball | 1984 Summer | |
| Robson Mrombe | Zimbabwe | Athletics | 1964 Summer | |
| Adelajda Mroske | Poland | Speed skating | 1964 Winter | |
| Aleksandra Mróz | Swimming | 1952 Summer | |
| Paweł Mróz [ Wikidata ] | Bobsleigh | 2010 Winter, 2014 Winter | |
| Jacques Mrozek | France | Figure skating | 1968 Winter, 1972 Winter | |
| Stefan Mrożewski | Poland | Art competitions | 1936 Summer | |
| Anna Mrozińska | Rhythmic gymnastics | 2004 Summer | |
| Julia Mrozinski | Germany | Swimming | 2024 Summer | |
| Marko Mršić [ Wikidata ] | Montenegro | Water polo | 2024 Summer | |
| Veljko Mršić | Croatia | Basketball | 1996 Summer | |
| Tomasz Mruczkowski | Poland | Rowing | 1992 Summer | |
| Mirosław Mruk | 1988 Summer | |
| Michala Mrůzková | Czech Republic | Canoe sprint | 2004 Summer, 2008 Summer | |
| Srđan Mrvaljević | Montenegro | Judo | 2008 Summer, 2012 Summer, 2016 Summer | |
| Jan Mrvík | Czechoslovakia | Rowing | 1964 Summer | |
| Lenka Mrzílková | Czech Republic | Sailing | 2008 Summer | |
| Cyprian Mrzygłód | Poland | Athletics | 2020 Summer, 2024 Summer | |
| Miloud M'Sellek | Morocco | Artistic gymnastics | 1960 Summer | |
| Giorgi Mshvenieradze | Soviet Union | Water polo | 1980 Summer, 1988 Summer | |
| Nuzgari Mshvenieradze | 1976 Summer | |
| Petre Mshvenieradze | 1952 Summer, 1956 Summer, 1960 Summer | |
| Robert Mshvidobadze | Russian Olympic Committee | Judo | 2020 Summer | |
| Isaiah Msibi | Eswatini | Athletics | 2008 Summer | |
| Emmaculate Msipa | Zimbabwe | Football | 2016 Summer | |
| Lucky Msiska | Zambia | 1988 Summer | |
| William Msiska [ Wikidata ] | Malawi | Athletics | 1972 Summer | |
| Lucas Msomba | Tanzania | Boxing | 1980 Summer | |
| John Yuda Msuri | Athletics | 2004 Summer | |
| Gideon Mthembu | Eswatini | 1988 Summer | |