| 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 | |
| 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 | |
| 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 | |
| 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 | |
| Ahmed Mohamed | Field hockey | 2004 Summer | |
| Ahmed Mohamed | Weightlifting | 2016 Summer | |
| Ahmed Mohamed | Shooting | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |