| Name | Nation | Sport | Games | Notes |
|---|
| 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 | Judo | 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 | Tennis | 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 | |
| Mu Lati | China | Swimming | 1984 Summer | |
| Mu Suli | Rowing | 2004 Summer | |
| Mu Xia | Softball | 2000 Summer, 2004 Summer | |
| Mu Yongfeng | Trampolining | 2004 Summer | |
| Mu Zhongsheng | Speed skating | 2014 Winter | |
| Faauuga Muagututia | American Samoa | Bobsleigh | 1994 Winter | |
| Garrett Muagututia | United States | Volleyball | 2020 Summer, 2024 Summer | |
| Rebecca Muambo | Cameroon | Wrestling | 2016 Summer | |
| Samson Muange | Kenya | Field hockey | 1988 Summer | |
| Phajol Muangson | Thailand | Boxing | 1956 Summer | |
| Praderm Muankasem | Football | 1968 Summer | |
| Lui Muavesi | Fiji | Athletics | 1988 Summer | |
| Hassan Mubah | Maldives | Swimming | 2000 Summer, 2004 Summer | |
| Muyegbe Mubala | Democratic Republic of the Congo | Athletics | 1992 Summer | |
| Hellen Mubanga | Zambia | Football | 2020 Summer | |
| Bilal Saad Mubarak | Qatar | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Ishtiaq Mubarak | Malaysia | 1968 Summer, 1972 Summer, 1976 Summer | |
| Jamal Mubarak | Kuwait | Football | 2000 Summer | |
| Mubarak Ata Mubarak | Saudi Arabia | Athletics | 2000 Summer, 2004 Summer | |
| Nabeel Saleh Mubarak | Bahrain | Modern pentathlon | 1984 Summer | |
| Naji Mubarak | Kuwait | Athletics | 1984 Summer | |
| Shahad Mubarak | United Arab Emirates | 1984 Summer | |
| Celeste Mucci | Australia | 2024 Summer | |
| Simona Muccioli | San Marino | Swimming | 2008 Summer | |
| Victor Mucha | Australia | Wrestling | 1956 Summer | |
| Esther Muchinga [ Wikidata ] | Zambia | Football | 2024 Summer | |
| Hans Muchitsch | Austria | Athletics | 1960 Summer | |
| Karolína Muchová | Czech Republic | Tennis | 2024 Summer | |
| César Muciño | Mexico | Track cycling | 1992 Summer | |
| Luis Muciño | 1960 Summer | |
| Jennifer Mucino-Fernandez | United States | Archery | 2020 Summer, 2024 Summer | |
| Manuela Mucke | Germany | Canoe sprint | 1996 Summer, 2000 Summer | |
| Ethel Muckelt | Great Britain | Figure skating | 1920 Summer, 1924 Winter, 1928 Winter | |
| Peter Muckenhuber | Austria | Road cycling | 1980 Summer, 1984 Summer | |
| Arlie Mucks | United States | Athletics | 1912 Summer | |
| Diassonema Mucungui | Angola | Judo | 2020 Summer | |
| László Mucza [ Wikidata ] | Hungary | Shooting | 1968 Summer | |
| Tycho Muda | Netherlands | Rowing | 2012 Summer | |
| Vincent Muda | 2012 Summer | |
| Clement Mudford | Australia | Shooting | 1956 Summer | |
| Katherine Mudge | Great Britain | Archery | 1908 Summer | |
| Khaled Al-Mudhaf | Kuwait, Independent Olympians | Shooting | 2000 Summer, 2004 Summer, 2016 Summer, 2024 Summer | |
| Imre Mudin | Hungary | Athletics | 1908 Summer, 1912 Summer | |
| István Mudin | 1908 Summer | |
| Langa Mudongo | Botswana | 1980 Summer | |
| Beslan Mudranov | Russia | Judo | 2016 Summer | |
| Bohumil Mudřík | Czechoslovakia | Artistic gymnastics | 1964 Summer, 1968 Summer, 1972 Summer | |
| Sylvia Muehlberg | Australia | Shooting | 1984 Summer | |
| Barbara Mueller | United States | Athletics | 1956 Summer | |
| Elizabeth Müller | Brazil | 1948 Summer | |
| Eric Mueller | United States | Rowing | 1996 Summer, 2000 Summer | |
| Federico Mueller [ Wikidata ] | Chile | Athletics | 1912 Summer | |
| Felice Mueller | United States | Rowing | 2016 Summer | |
| Gustav Mueller [ Wikidata ] | Artistic gymnastics | 1904 Summer | |
| Jette Müller | Germany | Diving | 2024 Summer | |
| Melissa Mueller | United States | Athletics | 2000 Summer | |
| Michelle Mueller | Canada | Equestrian eventing | 2012 Summer | |
| Norbert Mueller | Ice hockey | 1928 Winter | |
| Otto von Müller | Germany | Tennis | 1912 Summer | |
| Peter Mueller | United States | Speed skating | 1976 Winter, 1980 Winter | |
| Enoch Muemba | Zambia | Athletics | 1968 Summer | |
| Sigmund Muenz [ Wikidata ] | United States | 1908 Summer | |
| Lori-Ann Muenzer | Canada | Track cycling | 2000 Summer, 2004 Summer | |
| Yahia Mufarrih | Yemen | Judo | 1992 Summer | |
| Werner Muff | Switzerland | Equestrian jumping | 2012 Summer | |
| Camille Muffat | France | Swimming | 2008 Summer, 2012 Summer | |
| Victor Muffat-Jeandet | Alpine skiing | 2018 Winter | |
| Rob Muffels | Germany | Marathon swimming | 2020 Summer | |
| Ibrahim Ismail Muftah | Qatar | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Ivone Mufuca | Angola | Handball | 2000 Summer | |
| John Mugabi | Uganda | Boxing | 1980 Summer | |
| Seraphin Mugabo | Rwanda | Athletics | 1992 Summer | |
| Joanne Muggeridge | Great Britain | Badminton | 1992 Summer, 1996 Summer | |
| Arthur Muggridge | Athletics | 1928 Summer | |
| Kim Mu-gil | North Korea | Football | 1976 Summer | |
| Moise Mugisha | Rwanda | Road cycling | 2020 Summer | |
| Patrick Muglia | United States | Sailing | 1988 Summer | |
| Albert Mugnier | France | Bobsleigh | 1936 Winter | |
| Paul Mugnier | Cross country skiing | 1932 Winter | |
| Spencer Mugnier | Curling | 2002 Winter | |
| Naomi Mugo | Kenya | Athletics | 1996 Summer, 2000 Summer | |
| Dijana Mugoša | Montenegro | Handball | 2020 Summer | |
| Ljiljana Mugoša | Yugoslavia | 1984 Summer, 1988 Summer | |
| Veliša Mugoša | Athletics | 1956 Summer | |
| Svetlana Mugoša-Antić | Yugoslavia, Austria | Handball | 1984 Summer, 1988 Summer, 2000 Summer | |
| Ani Jane Mugrditchian | Lebanon | Swimming | 1972 Summer | |
| Juan Muguerza | Spain | Athletics | 1920 Summer | |
| Ganzi Mugula | Uganda | Swimming | 2012 Summer | |
| Garbiñe Muguruza | Spain | Tennis | 2016 Summer, 2020 Summer | |
| Henry Mugwanya | Uganda | Boxing | 1964 Summer | |
| Ahmad Salam Muhammad | Pakistan | Shooting | 1964 Summer | |
| Dalilah Muhammad | United States | Athletics | 2016 Summer, 2020 Summer | |
| Din Muhammad | Pakistan | Wrestling | 1960 Summer | |
| Faiz Muhammad | 1956 Summer, 1960 Summer, 1964 Summer | |
| Ibtihaj Muhammad | United States | Fencing | 2016 Summer | |
| Lutalo Muhammad | Great Britain | Taekwondo | 2012 Summer, 2016 Summer | |
| Sardar Muhammad | Pakistan | Wrestling | 1968 Summer | |
| Shabbir Muhammad | Field hockey | 2004 Summer | |
| Zafar Ahmed Muhammad | Shooting | 1956 Summer, 1960 Summer | |
| Kunhu Muhammed | India | Athletics | 2016 Summer | |
| Bader Al-Muhana | Saudi Arabia | Swimming | 2008 Summer | |
| Eszter Muhari | Hungary | Fencing | 2024 Summer | |
| John Muhato | Kenya | Shooting | 1972 Summer | |
| Charlotte Mühe | Germany | Swimming | 1928 Summer | |
| Ali Muheeb | United Arab Republic | Diving | 1960 Summer | |
| Ken Muhindi | Kenya | Cycling mountain bike | 2000 Summer | |
| Thomas Mühlbacher | Austria | Road cycling | 2000 Summer | |
| Anke Mühlbauer | West Germany | Diving | 1988 Summer | |
| Sepp Mühlbauer | Switzerland | Ski jumping | 1928 Winter | |
| Eugen Mühlberger | Germany | Weightlifting | 1928 Summer | |
| Gregor Mühlberger | Austria | Road cycling | 2020 Summer | |
| Johann Mühlegg | Germany, Spain | Cross country skiing | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Roland Muhlen | United States | Canoe sprint | 1972 Summer, 1976 Summer | |
| Louis Muhlen-Schulte | Australia | Alpine skiing | 2022 Winter | |
| Ernst Mühlethaler | Switzerland | Athletics | 1952 Summer | |
| Laurent Muhlethaler | France | Nordic combined | 2022 Winter | |
| Henri-Robert von der Mühll | Switzerland | Art competitions | 1928 Summer | |
| Henning Mühlleitner | Germany | Swimming | 2020 Summer | |
| Manfred Mühr | Austria | Ice hockey | 1988 Winter, 1994 Winter | |
| Robin Muhr | Israel | Equestrian jumping | 2024 Summer | |
| Karim Salman Muhsin | Iraq | Wrestling | 1980 Summer | |
| Josef Muigg | Austria | Bobsleigh | 1988 Winter | |
| Jan Muijs | Netherlands | Wrestling | 1924 Summer | |
| Väinö Muinonen | Finland | Athletics | 1936 Summer | |
| Carline Muir | Canada | 2008 Summer, 2016 Summer | |
| George Muir | New Zealand | Field hockey | 2020 Summer | |
| Jo Muir | Great Britain | Modern pentathlon | 2020 Summer | |
| Julia Muir | Zimbabwe | Tennis | 1988 Summer, 1992 Summer | |
| Kirsty Muir | Great Britain | Freestyle skiing | 2022 Winter | |
| Laura Muir | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sophie Muir | Australia | Speed skating | 2010 Winter | |
| Viola Muir | Canada | Archery | 1972 Summer | |
| Eve Muirhead | Great Britain | Curling | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Suzie Muirhead | New Zealand | Field hockey | 2000 Summer, 2004 Summer | |
| Thomas Muirhead | Great Britain | Curling | 2018 Winter | |
| Marianne Muis | Netherlands | Swimming | 1988 Summer, 1992 Summer, 1996 Summer | |
| Mildred Muis | 1988 Summer, 1992 Summer | |
| Oskars Muižnieks | Latvia | Biathlon | 2018 Winter | |
| Valdis Muižnieks | Soviet Union | Basketball | 1956 Summer, 1960 Summer, 1964 Summer | |
| Nik Mujanović | Slovenia | Volleyball | 2024 Summer | |
| Razija Mujanović | Yugoslavia | Basketball | 1988 Summer | |
| Giorgi Mujaridze | Georgia | Athletics | 2020 Summer | |
| Emir Mujčinović | Croatia | Canoe slalom | 2008 Summer | |
| Muhamed Mujić | Yugoslavia | Football | 1956 Summer | |
| Bheiglys Mujica | Venezuela | Softball | 2008 Summer | |
| Carolina Mújica | Spain | Basketball | 1992 Summer | |
| Daniel Mújica | Mexico | Sailing | 1968 Summer, 1976 Summer | |
| Francisco Mujica | Venezuela | Road cycling | 1960 Summer | |
| Jokin Mújika | Spain | Cycling mountain bike | 1996 Summer | |
| Sadik Mujkič | Yugoslavia, Slovenia | Rowing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Danish Mujtaba | India | Field hockey | 2012 Summer, 2016 Summer | |
| Donald Mukahatesho | Zambia | Judo | 1980 Summer | |
| Shoichiro Mukai | Japan | 2020 Summer | |
| Takahiro Mukai | Wrestling | 1984 Summer, 1988 Summer | |
| Mayu Mukaida | 2020 Summer | |
| Marcianne Mukamurenzi | Rwanda | Athletics | 1984 Summer, 1988 Summer, 1992 Summer | |
| Christine Mukamutesi | 2000 Summer | |
| Clementine Mukandanga | 2024 Summer | |
| Muharud Mukasa | Uganda | Road cycling | 1984 Summer | |
| Claudette Mukasakindi | Rwanda | Athletics | 2012 Summer, 2016 Summer | |
| Margarita Mukasheva | Kazakhstan | 2012 Summer, 2016 Summer | |
| Milton Muke | Zambia | Football | 1980 Summer | |
| Lyubov Mukhachyova | Soviet Union | Cross country skiing | 1972 Winter | |
| Timur Mukhamedkhanov | Uzbekistan | Judo | 1996 Summer | |
| Nail Mukhamedyarov | Soviet Union | Weightlifting | 1988 Summer | |
| Vadim Mukhametyanov | Russian Olympic Committee | Shooting | 2020 Summer | |
| Vera Mukhanova | Soviet Union | Athletics | 1964 Summer | |
| Lauren Mukheibir | South Africa | Sport climbing | 2024 Summer | |
| Sutirtha Mukherjee | India | Table tennis | 2020 Summer | |
| Alexandr Mukhin | Kazakhstan | Biathlon | 2022 Winter | |
| Andriy Mukhin | Ukraine | Luge | 1994 Winter, 1998 Winter | |
| Lev Mukhin | Soviet Union | Boxing | 1956 Summer | |
| Sergey Mukhin | Equestrian eventing | 1972 Summer | |
| Yury Mukhin | Unified Team | Swimming | 1992 Summer | |
| Wiseman Mukhobe | Kenya | Athletics | 2024 Summer | |
| Maria Mukhortova | Russia | Figure skating | 2010 Winter | |
| Kassim Mukhtar [ Wikidata ] | Iraq | Athletics | 1960 Summer | |
| Zhassulan Mukhtarbekuly | Kazakhstan | Wrestling | 2008 Summer | |
| Alisher Mukhtarov | Uzbekistan | Judo | 1996 Summer, 2000 Summer | |
| Dilshod Mukhtarov | Shooting | 2000 Summer, 2008 Summer | |
| Sagi Muki | Israel | Judo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sakurako Mukōgawa [ Wikidata ] | Japan | Alpine skiing | 2022 Winter | |
| Philip Mukomana | Zimbabwe | Athletics | 2000 Summer | |
| Olga Mukomol | Ukraine | Swimming | 2000 Summer, 2004 Summer | |
| Larmeck Mukonde | Zambia | Athletics | 1972 Summer | |
| Jit Bahadur Muktan | Nepal | Archery | 2016 Summer | |
| Abdelmalik Muktar | Ethiopia | Swimming | 2020 Summer | |
| Boniface Mukuka | Zambia | Boxing | 1996 Summer | |
| Thendo Mukumela | South Africa | Football | 2020 Summer | |
| Anoop Mukundan | Tanzania | Field hockey | 1980 Summer | |
| Tshoza Mukuta | Democratic Republic of the Congo | Boxing | 1984 Summer | |
| Edith Wisa | Kenya | Volleyball | 2020 Summer, 2024 Summer | |
| Eridadi Mukwanga | Uganda | Boxing | 1968 Summer | |
| Esther Mukwasa | Zambia | Football | 2020 Summer | |
| Nedžad Mulabegović | Croatia | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Jindřich Mulač | Czechoslovakia | Rowing | 1920 Summer | |
| Igor Muladyanov | Unified Team | Field hockey | 1992 Summer | |
| Ireneusz Mulak | Poland | Basketball | 1980 Summer | |
| Dominique Mulamba | Democratic Republic of the Congo | Athletics | 2024 Summer | |
| Sofía Mulánovich | Peru | Surfing | 2020 Summer | |
| Damir Mulaomerović | Croatia | Basketball | 1996 Summer | |
| Diego Mularoni | San Marino | Swimming | 1996 Summer, 2000 Summer, 2004 Summer | |
| Loris Mularoni | Judo | 1996 Summer | |
| Ladawan Mulasartsatorn | Thailand | Badminton | 1992 Summer | |
| Mbulaeni Mulaudzi | South Africa | Athletics | 2004 Summer, 2008 Summer | |
| John Mulcahy | United States | Rowing | 1904 Summer | |
| Albert Mulder | Netherlands | Art competitions | 1928 Summer | |
| Charles Mulder | Belgium | Bobsleigh | 1924 Winter, 1928 Winter | |
| Eefke Mulder | Netherlands | Field hockey | 2004 Summer, 2008 Summer | |
| Frank Mulder | Rowing | 1972 Summer | |
| Frits Mulder | Belgium | Sailing | 1928 Summer | |
| Lau Mulder | Netherlands | Field hockey | 1952 Summer | |
| Mandy Mulder | Sailing | 2008 Summer, 2016 Summer | |
| Michel Mulder | Speed skating | 2014 Winter | |
| Ronald Mulder | 2010 Winter, 2014 Winter, 2018 Winter | |
| Sander Mulder [ Wikidata ] | Beach volleyball | 1996 Summer | |
| Teun Mulder | Track cycling | 2004 Summer, 2008 Summer, 2012 Summer | |
| Jim Muldoon | Ireland | Rowing | 1976 Summer | |
| John Muldoon | United States | Rugby | 1920 Summer | |
| Tommy Muldoon | Ireland | Football | 1924 Summer | |
| Tine Mulej | Yugoslavia | Alpine skiing | 1948 Winter, 1952 Winter | |
| Joseph Mulema | Cameroon | Boxing | 2008 Summer | |
| Landry Mulemo | Belgium | Football | 2008 Summer | |
| Anita Mulenga | Zambia | 2020 Summer | |
| David Mulenga | Athletics | 2024 Summer | |
| Eston Mulenga | Football | 1988 Summer | |
| Everisto Mulenga | Boxing | 2020 Summer | |
| Mutale Mulenga | Athletics | 1984 Summer | |
| Pedro Mulens | Cuba | Wrestling | 2012 Summer | |
| Lomi Muleta | Ethiopia | Athletics | 2020 Summer, 2024 Summer | |
| John Mulhall | Great Britain | Artistic gymnastics | 1960 Summer, 1964 Summer | |
| Laura Mulhall | Argentina | Field hockey | 1988 Summer | |
| Lucy Mulhall | Ireland | Rugby sevens | 2024 Summer | |
| Jack Mulhern | United States | Ice hockey | 1952 Winter | |
| George Mulholland | Boxing | 1924 Summer | |
| Kathy Mulholland | Speed skating | 1960 Winter | |
| Dinko Mulić | Croatia | Canoe slalom | 2004 Summer, 2012 Summer | |
| David Mulica | United States | Track cycling | 1972 Summer | |
| Charles Mulinga | Zambia | Athletics | 1996 Summer | |
| Raymond Mulinghausen | France | Diving | 1948 Summer, 1952 Summer | |
| Dejah Mulipola | United States | Softball | 2020 Summer | |
| Rolf Mulka | Germany | Sailing | 1956 Summer, 1960 Summer | |
| Peter Mulkerrins | Great Britain | Rowing | 1988 Summer, 1992 Summer | |
| Kim Mulkey | United States | Basketball | 1984 Summer | |
| Phil Mulkey | Athletics | 1960 Summer | |
| Tommy Mulkey | Track cycling | 2000 Summer | |
| Clay Mull | Speed skating | 2006 Winter | |
| Adel Al Mulla | Qatar | Football | 1992 Summer | |
| Khaled Al-Mulla | Kuwait | Handball | 1996 Summer | |
| Daria Mullakaeva | Russia | Swimming | 2016 Summer | |
| Katie Mullan | Ireland | Field hockey | 2020 Summer | |
| John Mullard | Great Britain | Rowing | 1968 Summer | |
| Lukas Müllauer | Austria | Freestyle skiing | 2018 Winter | |
| Cary Mullen | Canada | Alpine skiing | 1992 Winter, 1994 Winter | |
| Edward Mullen | Great Britain | Judo | 1972 Summer | |
| Frank Aloysius Mullen | United States | Diving | 1920 Summer | |
| Irene Mullen | Canada | Swimming | 1932 Summer | |
| Ryan Mullen | Ireland | Road cycling | 2024 Summer | |
| Peter Müllenberg | Netherlands | Boxing | 2016 Summer | |
| Patrice de Mullenheim | France | Shooting | 1972 Summer | |
| Angela Mullens | Australia | Swimming | 1992 Summer | |
| Adolf Müller | Switzerland | Wrestling | 1948 Summer | |
| Albrecht Müller | Germany | Rowing | 1964 Summer | |
| Alfred Müller | Athletics | 1928 Summer | |
| Alfred Müller | East Germany | Swimming | 1968 Summer | |
| Alina Müller | Switzerland | Ice hockey | 2014 Winter, 2018 Winter, 2022 Winter | |
| Alois Müller | Austria | Football | 1912 Summer | |
| Andreas Müller | Track cycling | 2020 Summer | |
| Anna-Maria Müller | East Germany | Luge | 1968 Winter, 1972 Winter | |
| Anne Müller | Germany | Handball | 2008 Summer | |
| Anton Müller | Switzerland | Shooting | 1976 Summer, 1984 Summer | |
| Aurélie Muller | France | Marathon swimming | 2008 Summer, 2016 Summer | |
| Axel Müller | Switzerland | Archery | 2012 Summer | |
| Axel Müller | Argentina | Rugby sevens | 2016 Summer | |
| Beat Müller | Switzerland | Shooting | 2008 Summer | |
| Bettina Müller | East Germany | Canoe sprint | 1972 Summer | |
| Bruno Müller | Germany | Rowing | 1928 Summer | |
| Camillo Müller | Austria | Fencing | 1900 Summer | |
| Carl Otto Müller | Germany | Art competitions | 1936 Summer | |
| Catherine Muller | France | Rowing | 1996 Summer | |
| Claudia Müller | Germany | Football | 2000 Summer | |
| Corinne Müller | Switzerland | Athletics | 2004 Summer | |
| Craig Muller | Australia | Rowing | 1984 Summer | |
| Daniel Müller | Switzerland | Curling | 1998 Winter | |
| Dimitrios Müller [ Wikidata ] | Greece | Athletics | 1908 Summer | |
| Eduard Müller | Switzerland | Cross country skiing | 1936 Winter | |
| Emil Muller | United States | Athletics | 1912 Summer | |
| Émile Muller | Belgium | 1920 Summer | |
| Ernst Müller | West Germany | Boxing | 1976 Summer | |
| Filipo Muller | Tonga | Athletics | 2004 Summer | |
| Florian Müller | Germany | Football | 2020 Summer | |
| François Müller | Luxembourg | 1952 Summer | |
| Frank Müller | Germany | Athletics | 1992 Summer, 1996 Summer | |
| Fritz Müller | Rugby | 1900 Summer | |
| Gabi Müller | Switzerland | Canoe sprint | 1996 Summer | |
| Georg Müller | Germany | Art competitions | 1936 Summer | |
| Gerda Muller | Venezuela | Fencing | 1952 Summer | |
| Gilles Müller | Luxembourg | Tennis | 2012 Summer, 2016 Summer | |
| Gustl Müller | Germany | Nordic combined | 1928 Winter | |
| György Müller | Hungary | Swimming | 1960 Summer | |
| Hanna Muller | South Africa | Water polo | 2020 Summer | |
| Hannes Müller | Germany | Field hockey | 2024 Summer | |
| Hans Müller | Switzerland | Boxing | 1948 Summer | |
| Hans Müller | Figure skating | 1956 Winter | |
| Hans Muller | Netherlands | Water polo | 1960 Summer, 1964 Summer | |
| Hans Müller | Switzerland | Modern pentathlon | 1972 Summer | |
| Hansruedi Müller | Bobsleigh | 1968 Winter | |
| Harold Muller | United States | Athletics | 1920 Summer | |
| Heinrich Müller | Switzerland | Track cycling | 1952 Summer | |
| Heinz Müller | Athletics | 1960 Summer | |
| Helene Muller | South Africa | Swimming | 1996 Summer, 2000 Summer | |
| Helmar Müller | West Germany | Athletics | 1968 Summer | |
| Henning Müller | Sweden | Tennis | 1920 Summer, 1924 Summer | |
| Herbert Müller | Germany | Field hockey | 1928 Summer | |
| Igor Muller | Luxembourg | Judo | 1992 Summer, 1996 Summer | |
| Ines Müller | East Germany | Athletics | 1980 Summer, 1988 Summer | |
| Irene Müller | Figure skating | 1968 Winter | |
| Irina Müller | Rowing | 1976 Summer | |
| István Müller | Hungary | Road cycling | 1912 Summer | |
| Jaroslav Müller | Czechoslovakia | Swimming | 1924 Summer | |
| Jean-Pierre Muller | Luxembourg | Road cycling | 1928 Summer | |
| Jean-Pierre Muller | France | Fencing | 1952 Summer | |
| Jens Müller | East Germany, Germany | Luge | 1988 Winter, 1992 Winter, 1994 Winter, 1998 Winter | |
| Jonas Müller | Germany | Ice hockey | 2018 Winter, 2022 Winter | |
| Jörg Müller | Switzerland | Track cycling | 1984 Summer | |
| Jorinde Müller | Freestyle skiing | 2014 Winter | |
| Joseph Müller [ Wikidata ] | France | Fencing | 1900 Summer | |
| Julia Müller | Germany | Field hockey | 2008 Summer, 2012 Summer, 2016 Summer | |
| Julio Mueller | Mexico | Polo | 1936 Summer | |
| Julius Müller | Germany | Athletics | 1928 Summer, 1936 Summer | |
| Julius Müller | West Germany | 1968 Summer | |
| Karl Müller | Switzerland | Rowing | 1936 Summer | |
| Karl-Heinz Müller [ Wikidata ] | Austria | Fencing | 1972 Summer, 1976 Summer | |
| Katharina Müller | Germany | Figure skating | 2022 Winter | |
| Katrin Müller | Switzerland | Freestyle skiing | 2010 Winter, 2014 Winter | |
| Kerstin Müller | Germany | Rowing | 1992 Summer | |
| Kim Lea Müller | Cycling BMX freestyle | 2024 Summer | |
| Kirk Muller | Canada | Ice hockey | 1984 Winter | |
| Kurt Müller | Switzerland | Field hockey | 1952 Summer | |
| Kurt Müller | Shooting | 1960 Summer, 1964 Summer, 1968 Summer | |
| Laura Müller | Germany | Athletics | 2016 Summer, 2020 Summer | |
| Laura Raquel Müller | 2024 Summer | |
| Lena Müller | Rowing | 2012 Summer | |
| Linus Müller | Field hockey | 2020 Summer | |
| Lisa Müller | Shooting | 2024 Summer | |
| Ludwig Müller | Athletics | 1960 Summer | |
| Lukas Müller | Rowing | 2012 Summer | |
| Luke Muller | United States | Sailing | 2020 Summer | |
| Manuela Müller | Switzerland | Freestyle skiing | 2002 Winter, 2006 Winter | |
| Marcel Müller | Germany | Ice hockey | 2010 Winter | |
| Marie Muller | Luxembourg | Judo | 2008 Summer, 2012 Summer | |
| Markus Müller | Switzerland | Artistic gymnastics | 1992 Summer | |
| Marlies Müller | Germany | Athletics | 1952 Summer | |
| Martin Müller | Switzerland | Wrestling | 1992 Summer, 1996 Summer | |
| Martina Müller | Germany | Football | 2004 Summer | |
| Mathias Müller | Field hockey | 2016 Summer, 2024 Summer | |
| Matthias Müller | East Germany | Football | 1980 Summer | |
| Max Müller | Switzerland | Cross country skiing | 1948 Winter | |
| Maximilian Müller | Germany | Field hockey | 2008 Summer, 2012 Summer | |
| Meinrad Müller | Switzerland | Bobsleigh | 1984 Winter | |
| Michael Muller | Canada | Field hockey | 1988 Summer | |
| Michael Müller | Austria | Bobsleigh | 1998 Winter, 2002 Winter | |
| Mihkel Müller | Estonia | Wrestling | 1920 Summer | |
| Mirco Müller | Switzerland | Ice hockey | 2022 Winter | |
| Mirko Müller | Germany | Figure skating | 1998 Winter | |
| Monika Müller | Artistic swimming | 1992 Summer | |
| Moritz Müller | Ice hockey | 2018 Winter, 2022 Winter | |
| Nadine Müller | Athletics | 2012 Summer, 2016 Summer | |
| Nico Müller | Weightlifting | 2016 Summer, 2020 Summer | |
| Nicole Muller | Brazil | Rhythmic gymnastics | 2008 Summer | |
| Nicole Müller | Germany | 2012 Summer | |
| Nina Müller | Handball | 2008 Summer | |
| Océanne Muller | France | Shooting | 2020 Summer, 2024 Summer | |
| Otto Müller | Switzerland | Wrestling | 1924 Summer | |
| Otto Müller | Austria | Water polo | 1936 Summer | |
| Paul Müller | Switzerland | Ice hockey | 1924 Winter | |
| Paul Müller | Artistic gymnastics | 1968 Summer | |
| Peter Müller | Boxing | 1952 Summer | |
| Peter Müller | Alpine skiing | 1980 Winter, 1984 Winter, 1988 Winter | |
| Rainer Müller | West Germany | Track cycling | 1972 Summer | |
| Renata Müller | Spain | Artistic gymnastics | 1960 Summer | |
| Robert Müller | Germany | Ice hockey | 2002 Winter, 2006 Winter | |
| Roberto Müller | Chile | Shooting | 1936 Summer, 1948 Summer | |
| Roland Müller | East Germany | 1988 Summer | |
| Rolf Müller | West Germany | Bobsleigh | 1988 Winter | |
| Romy Müller | East Germany | Athletics | 1980 Summer | |
| Rosmarie Müller | Switzerland | 1988 Summer | |
| Rüdiger Müller | East Germany | Fencing | 1980 Summer | |
| Rudy Muller | Luxembourg | Swimming | 1960 Summer | |
| Scott Muller | Panama | Canoe slalom | 1996 Summer | |
| Sigrid Müller | Austria | Swimming | 1960 Summer | |
| Silke Müller | Germany | Field hockey | 2004 Summer | |
| Stefanie Müller | Switzerland | Snowboarding | 2014 Winter, 2018 Winter | |
| Steven Müller | Germany | Athletics | 2020 Summer | |
| Susanne Müller | Field hockey | 1992 Summer | |
| Suzanne Müller | Switzerland | Rhythmic gymnastics | 1984 Summer | |
| Svenja Müller | Germany | Beach volleyball | 2024 Summer | |
| Thomas Müller | West Germany | Nordic combined | 1984 Winter, 1988 Winter | |
| Tobias Müller | Germany | Freestyle skiing | 2022 Winter | |
| Vít Müller | Czech Republic | Athletics | 2020 Summer, 2024 Summer | |
| Walter Müller | Saar | Artistic gymnastics | 1952 Summer | |
| Walter Müller | Switzerland | 1964 Summer | |
| Walter Müller | Austria | Biathlon | 1964 Winter | |
| Walter Müller | Switzerland | Handball | 1980 Summer | |
| Werner Müller | Canoe sprint | 1952 Summer | |
| Wilhelm Müller | Germany | Handball | 1936 Summer | |
| Willy Müller | Switzerland | Rowing | 1928 Summer | |
| Wolfgang Müller | Germany | Weightlifting | 1960 Summer | |
| Wolfgang Müller | East Germany | Equestrian dressage | 1968 Summer, 1972 Summer | |
| Wolfgang Müller | West Germany | Field hockey | 1968 Summer | |
| Wolfgang Müller | East Germany | Athletics | 1968 Summer | |
| Wolfgang Müller | West Germany | Cross country skiing | 1980 Winter | |
| Wolfram Müller | Germany | Athletics | 2004 Summer | |
| Xeno Müller | Switzerland | Rowing | 1992 Summer, 1996 Summer, 2000 Summer | |
| Ángel Mullera | Spain | Athletics | 2012 Summer | |
| Martin Müller-Falcke | Germany | Rowing | 2004 Summer | |
| Jarmila Müllerová | Czechoslovakia | Swimming | 1924 Summer | |
| Milena Müllerová | Artistic gymnastics | 1948 Summer | |
| Katalin Müller-Száll | Hungary | 1960 Summer, 1964 Summer, 1968 Summer | |
| Bettina Müller-Weissina | Austria | Athletics | 2004 Summer | |
| Janne Müller-Wieland | Germany | Field hockey | 2008 Summer, 2012 Summer, 2016 Summer | |
| Rob Mullett | Great Britain | Athletics | 2016 Summer | |
| Prafulla Mullick | India | Swimming | 1948 Summer | |
| Bill Mulliken | United States | 1960 Summer | |
| Chris Mullin | Basketball | 1984 Summer, 1992 Summer | |
| Gavin Mullin | Ireland | Rugby sevens | 2020 Summer, 2024 Summer | |
| Shauna Mullin | Great Britain | Beach volleyball | 2012 Summer | |
| Joanne Mulliner | Athletics | 1988 Summer | |
| Devin Mullings | Bahamas | Tennis | 2008 Summer | |
| Ken Mullings | Athletics | 2024 Summer | |
| Ralford Mullings | Jamaica | 2024 Summer | |
| Siri Mullinix | United States | Football | 2000 Summer | |
| Lex Mullink | Netherlands | Rowing | 1964 Summer | |
| Matthew Mullins | Canada | Rugby sevens | 2020 Summer | |
| Bill Mullins | Ireland | Equestrian eventing | 1956 Summer | |
| Chay Mullins | Rugby sevens | 2024 Summer | |
| Esteban Mullins | Costa Rica | Fencing | 1992 Summer | |
| Gerry Mullins | Ireland | Equestrian jumping | 1984 Summer, 1988 Summer | |
| Jeff Mullins | United States | Basketball | 1964 Summer | |
| Joe Mullins | Canada | Athletics | 1960 Summer | |
| Peter Mullins | Australia | 1948 Summer | |
| Valerie Mullins | Great Britain | Artistic gymnastics | 1952 Summer | |
| Beatrix Müllner | Austria | Artistic swimming | 1992 Summer | |
| Christine Müllner | 1992 Summer | |
| Josef Müllner | Art competitions | 1936 Summer | |
| Heimo Müllneritsch | Canoe slalom | 1972 Summer | |
| Lazizbek Mullojonov | Uzbekistan | Boxing | 2024 Summer | |
| Melissa Mulloy | United States | Shooting | 2000 Summer | |
| T. J. Mulock | Germany | Ice hockey | 2010 Winter | |
| Benson Mulomba | Zambia | Athletics | 1972 Summer | |
| Pedro Mulomo | Mozambique | 1980 Summer | |
| Aleko Mulos | Turkey | Artistic gymnastics | 1908 Summer | |
| Jean-Jacques Mulot | France | Rowing | 1972 Summer, 1976 Summer | |
| Sabrina Mulrain | Germany | Athletics | 2000 Summer | |
| Sari Multala | Finland | Sailing | 2000 Summer, 2004 Summer, 2012 Summer | |
| Daniel Mulumba | Uganda | Swimming | 1984 Summer | |
| Fiston Mbaya Mulumba | Democratic Republic of the Congo | Boxing | 2020 Summer | |
| Colleen Mulvihill | United States | Artistic gymnastics | 1968 Summer | |
| Paddy Mulvihill | Ireland | Athletics | 1948 Summer | |
| Timsah Okalo Mulwal | Sudan | Boxing | 1972 Summer | |
| Marina Mulyayeva | Kazakhstan | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Rahmad Adi Mulyono | Indonesia | Sport climbing | 2024 Summer | |
| Yekaterina Mulyuk-Timofeyeva | Belarus | Archery | 2008 Summer, 2012 Summer | |
| Lauro Mumar | Philippines | Basketball | 1948 Summer | |
| Edmond Mumba | Zambia | Football | 1988 Summer | |
| Prince Mumba | Athletics | 2004 Summer, 2012 Summer | |
| Álex Mumbrú | Spain | Basketball | 2008 Summer | |
| Ernst Mumenthaler | Switzerland | Wrestling | 1928 Summer | |
| Timothé Mumenthaler | Athletics | 2024 Summer | |
| Michael Mumford | Great Britain | Modern pentathlon | 1984 Summer | |
| Shokir Muminov | Uzbekistan | Judo | 2008 Summer | |
| Șerban Mumjiev | Romania | Wrestling | 1996 Summer | |
| Walther von Mumm | Germany | Bobsleigh | 1932 Winter | |
| Christine Mummhardt | East Germany | Volleyball | 1976 Summer, 1980 Summer | |
| Aleksandr Mumyga | Belarus | Sailing | 2000 Summer | |
| Mun Eun-jin | South Korea | Equestrian jumping | 1988 Summer, 1992 Summer | |
| Mun Gyong-ae | North Korea | Athletics | 1992 Summer | |
| Mun Hae-yeong | South Korea | Rowing | 2000 Summer | |
| Moon Hyun-chang | Basketball | 1964 Summer | |
| Mun Im-cheol | Boxing | 1996 Summer | |
| Mun Ji-hee | Biathlon | 2010 Winter, 2014 Winter, 2018 Winter | |
| Mun Ji-yun | Judo | 1992 Summer | |
| Mun Jun | Speed skating | 2002 Winter, 2006 Winter, 2010 Winter | |
| Mun Seon-hui | Volleyball | 1988 Summer | |
| Mun Suk | Road cycling | 1984 Summer | |
| Mun Yang-ja | Shooting | 1984 Summer | |
| Mun Yu-ra | Weightlifting | 2012 Summer | |
| Abraham Munabi | Uganda | Athletics | 1972 Summer | |
| Fernando Muñagorri | Spain | 1928 Summer | |
| Shikō Munakata | Japan | Art competitions | 1932 Summer, 1936 Summer | |
| Uichi Munakata | Basketball | 1936 Summer | |
| Jaume Munar | Spain | Tennis | 2024 Summer | |
| Daniele Munari | Italy | Nordic combined | 2006 Winter | |
| Alberto Munárriz | Spain | Water polo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Daniyar Munaytbasov | Kazakhstan | Boxing | 2000 Summer | |
| Marina Munćan | Serbia | Athletics | 2012 Summer | |
| Kelly Muncey | Canada | Artistic gymnastics | 1976 Summer | |
| Caroline Munch [ Wikidata ] | Denmark | Rowing | 2024 Summer | |
| Cina Munch | Fiji | Swimming | 1988 Summer | |
| Markus Münch | Germany | Athletics | 2012 Summer | |
| Mette Munch | Denmark | Sailing | 1988 Summer | |
| Kirsten Münchow | Germany | Athletics | 2000 Summer | |
| Nshan Munchyan | Armenia | Boxing | 1996 Summer | |
| Gerda Munck | Denmark | Fencing | 1932 Summer | |
| Loran de Munck | Netherlands | Artistic gymnastics | 2024 Summer | |
| Svend Munck | Denmark | Fencing | 1924 Summer | |
| Arthur Mund | Germany | Diving | 1928 Summer | |
| Günther Mund | Chile | 1948 Summer, 1956 Summer | |
| Lilo Mund | 1956 Summer | |
| Uwe Mund | East Germany | Rowing | 1988 Summer | |
| Werner Mund | Belgium | Fencing | 1932 Summer | |
| Henry Munday [ Wikidata ] | Great Britain | Shooting | 1908 Summer | |
| Marc Mundell | South Africa | Athletics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Lothar Christian Munder | Brazil | Alpine skiing | 1992 Winter, 1994 Winter | |
| Ellen Mundinger | West Germany | Athletics | 1972 Summer | |
| Rekha Mundphan | India | Field hockey | 1980 Summer | |
| Miel Mundt | Netherlands | Football | 1908 Summer | |
| Kristina Mundt | East Germany, Germany | Rowing | 1988 Summer, 1992 Summer | |
| Lori Ann Mundt | Canada | Volleyball | 1996 Summer | |
| John Munduga | Uganda | Boxing | 1980 Summer | |
| Grace Muneene | Zambia | Athletics | 1972 Summer | |
| Noriko Munekata | Japan | Speed skating | 1998 Winter | |
| Muneji Munemura | Wrestling | 1968 Summer | |
| Charles Yosei Muneria | Kenya | Athletics | 2016 Summer | |
| Rosanna Munerotto | Italy | 1988 Summer, 1992 Summer | |
| Ginga Munetomo | Japan | Trampolining | 2016 Summer | |
| Nicholas Mungai | Italy | Judo | 2020 Summer | |
| Steven Mungandu | Zambia | 2020 Summer | |
| Barry Mungar | Canada | Basketball | 1988 Summer | |
| Julio Munguía | Mexico | Track cycling | 1968 Summer | |
| Enkhjargal Munguntsetseg [ Wikidata ] | Mongolia | Boxing | 2024 Summer | |
| Émile Munhofen | Luxembourg | Artistic gymnastics | 1924 Summer | |
| Iker Muniain | Spain | Football | 2012 Summer | |
| Kaliswaran Muniandy | Malaysia | Field hockey | 1996 Summer | |
| Karl Münich | Austria | Fencing | 1912 Summer | |
| Laurent Munier | France | Handball | 1992 Summer | |
| Metka Munih | Yugoslavia | Cross country skiing | 1984 Winter | |
| Athing Mu-Nikolayev | United States | Athletics | 2020 Summer | |
| Mahmood Munim | Iraq | Road cycling | 1960 Summer | |
| Kemal Munir | Egypt | Wrestling | 1948 Summer | |
| Qusay Munir | Iraq | Football | 2004 Summer | |
| Wamidh Munir | 1984 Summer | |
| Agustín Muñiz | Uruguay | Boxing | 1948 Summer | |
| Armando Muñíz | United States | 1968 Summer | |
| José Javier Yuste Muniz [ Wikidata ] | Spain | Beach volleyball | 1996 Summer | |
| Raúl Muñiz | Puerto Rico | Luge | 1988 Winter | |
| René Muñiz | Mexico | Swimming | 1952 Summer | |
| Annemarie Munk | Hong Kong | 1988 Summer | |
| József Munk | Hungary | 1908 Summer | |
| Karl-Heinz Munk | Germany | Ski jumping | 1964 Winter | |
| Antónia Munkácsi | Hungary | Athletics | 1960 Summer, 1964 Summer, 1968 Summer | |
| Sándor Munkácsy | 1992 Summer | |
| Thor Munkager | Denmark | Handball | 1972 Summer, 1976 Summer | |
| Thomas Munkelt | East Germany | Athletics | 1976 Summer, 1980 Summer | |
| Svetlana Munkova | Uzbekistan | 1996 Summer | |
| Robert Munn | United States | Rowing | 2016 Summer | |
| Scott Munn | 1992 Summer | |
| Jannes Munneke | Netherlands | 1972 Summer | |
| Ingrid Munneke-Dusseldorp | 1976 Summer | |
| Johannes Munnikes | Wrestling | 1948 Summer | |
| Alfred Munnings | Great Britain | Art competitions | 1928 Summer, 1932 Summer, 1948 Summer | |
| Timothy Munnings | Bahamas | Athletics | 1996 Summer, 2000 Summer | |
| Juan Manuel Muñoz Díaz | Spain | Equestrian dressage | 2008 Summer, 2012 Summer | |
| Christián Muñoz Ortega | Chile | Shooting | 2000 Summer | |
| Abel Muñoz | El Salvador | Swimming | 1968 Summer | |
| Alfonso Muñoz | Colombia | Athletics | 1956 Summer | |
| Almudena Muñoz | Spain | Judo | 1992 Summer, 1996 Summer | |
| Anniara Muñoz | Cuba | Volleyball | 2004 Summer | |
| Azahara Muñoz | Spain | Golf | 2016 Summer, 2020 Summer, 2024 Summer | |
| Carlos Muñoz | Colombia | Wrestling | 2016 Summer, 2024 Summer | |
| Cuauthémoc Muñoz | Mexico | Road cycling | 1984 Summer | |
| David Muñoz | Panama | Shooting | 2016 Summer | |
| Dionisio Muñoz | Spain | Weightlifting | 1984 Summer, 1988 Summer | |
| Edgar Muñoz | Venezuela | Boxing | 2004 Summer, 2016 Summer | |
| Elías Muñoz | Mexico | Football | 1968 Summer | |
| Eulalio Muñoz | Argentina | Athletics | 2020 Summer | |
| Felipe Muñoz | Mexico | Swimming | 1968 Summer, 1972 Summer | |
| Guillermo Muñoz | Table tennis | 1996 Summer | |
| Hugo Muñoz | Peru | Athletics | 1996 Summer, 2000 Summer | |
| Jaír Cuero Muñoz [ Wikidata ] | Colombia | Wrestling | 2024 Summer | |
| Jonathan Muñoz | Mexico | Weightlifting | 2020 Summer | |
| Juan Muñoz | Spain | Boxing | 1928 Summer | |
| Juan Francisco Muñoz | Handball | 1980 Summer, 1984 Summer, 1988 Summer, 1992 Summer | |
| Julián Muñoz | Costa Rica | Alpine skiing | 1988 Winter, 1992 Winter | |
| Kevin Muñoz [ Wikidata ] | Mexico | Diving | 2024 Summer | |
| Laura Muñoz | Spain | Artistic gymnastics | 1984 Summer, 1988 Summer | |
| Lidón Muñoz | Swimming | 2020 Summer | |
| Lino Muñoz | Mexico | Badminton | 2016 Summer, 2020 Summer | |
| Luis Muñoz | Spain | Bobsleigh | 1956 Winter | |
| Luis Muñoz | Chile | Boxing | 1968 Summer | |
| María Luisa Muñoz | Spain | Athletics | 2000 Summer | |
| Natalia Muñoz [ Wikidata ] | Skateboarding | 2024 Summer | |
| Nidia Muñoz [ Wikidata ] | Cuba | Taekwondo | 2012 Summer | |
| Oscar Muñoz | Colombia | Football | 1968 Summer | |
| Oscar Muñoz | Wrestling | 1988 Summer | |
| Óscar Muñoz | Taekwondo | 2012 Summer, 2016 Summer | |
| Paola Muñoz | Chile | Road cycling | 2012 Summer, 2016 Summer | |
| Rafael Muñoz | Spain | Swimming | 2008 Summer | |
| Raúl Muñoz | Chile | Athletics | 1936 Summer | |
| Roberto Muñoz | Road cycling, Track cycling | 1984 Summer | |
| Sebastián Muñoz | Colombia | Golf | 2020 Summer | |
| Sergio Muñoz | Spain | Artistic gymnastics | 2008 Summer, 2012 Summer | |
| Silvia Muñoz | Field hockey | 2000 Summer, 2004 Summer, 2008 Summer | |
| Uziel Muñoz | Mexico | Athletics | 2024 Summer | |
| Víctor Muñoz | Spain | Football | 1980 Summer | |
| Alexander Munro | Great Britain | Tug of war | 1908 Summer, 1912 Summer | |
| Aubree Munro | United States | Softball | 2020 Summer | |
| Bree Munro | Australia | Freestyle skiing | 2010 Winter | |
| Dunc Munro | Canada | Ice hockey | 1924 Winter | |
| Hope Munro | Australia | Field hockey | 2008 Summer, 2012 Summer | |
| Melissa Munro | Artistic gymnastics | 2004 Summer | |
| Neil Munro | Great Britain | Freestyle skiing | 1992 Winter | |
| Nev Munro | Canada | Basketball | 1948 Summer | |
| Alex Munroe | Athletics | 1928 Summer | |
| Eric Munshaw | Canoe slalom | 1972 Summer | |
| Maximilian Munski | Germany | Rowing | 2016 Summer | |
| David Curtiss Munson | United States | Athletics | 1904 Summer | |
| Reinhard Münster | Denmark | Fencing | 1972 Summer | |
| Natalie Munt | Great Britain | Badminton | 2004 Summer | |
| David Muntaner | Spain | Track cycling | 2008 Summer, 2012 Summer | |
| Andrei Muntean | Romania | Artistic gymnastics | 2016 Summer, 2024 Summer | |
| László Munteán | Hungary | Rowing | 1960 Summer | |
| Paul Muntean | Romania | Bobsleigh | 2014 Winter, 2018 Winter | |
| Adrian Munteanu | Rowing | 2020 Summer, 2024 Summer | |
| Alexandra Munteanu | Alpine skiing | 2002 Winter | |
| Dorin Munteanu | 1968 Winter | |
| Gabriel Munteanu | Judo | 2000 Summer, 2004 Summer | |
| Gheorghiţa Munteanu | Rowing | 2004 Summer | |
| Ionica Munteanu | Handball | 2016 Summer | |
| Iuliana Munteanu | Rowing | 1976 Summer | |
| Marioara Munteanu | Weightlifting | 2000 Summer, 2004 Summer | |
| Nicolae Munteanu | Ski jumping | 1956 Winter | |
| Nicolae Munteanu | Handball | 1976 Summer, 1980 Summer, 1984 Summer | |
| Olga Munteanu | Artistic gymnastics | 1952 Summer | |
| Virgil Munteanu | Wrestling | 2008 Summer | |
| Gregers Münter | Denmark | Shooting | 1948 Summer | |
| Francis Munthali | Malawi | Athletics | 1992 Summer, 2000 Summer | |
| Stig Munthe-Sandberg | Sweden | Art competitions | 1936 Summer | |
| Tetiana Muntian | Soviet Union | Archery | 1988 Summer | |
| Paul Munting [ Wikidata ] | Netherlands | Boxing | 1920 Summer | |
| Anastasiya Muntyanu | Canada | Rhythmic gymnastics | 2012 Summer | |
| Bethy Mununga | Belgium | Basketball | 2024 Summer | |
| Doraisamy Munusamy | Malaysia | Field hockey | 1964 Summer | |
| Clarence Munyai | South Africa | Athletics | 2016 Summer, 2020 Summer | |
| Pius Munyasia | Kenya | 1984 Summer | |
| Alphonse Munyeshyaka | Rwanda | 1992 Summer | |
| Boas Munyonga | Zambia | Judo | 2012 Summer | |
| Meshak Munyoro | Kenya | Athletics | 1984 Summer | |
| Simon Munyutu | France | 2008 Summer | |
| Diana Munz | United States | Swimming | 2000 Summer, 2004 Summer | |
| Heinrich Münzberger | Austria | Shooting | 1980 Summer | |
| Reinhold Münzenberg | Germany | Football | 1936 Summer | |
| Jörg Münzner | Austria | Equestrian jumping | 1992 Summer | |
| Olli Muotka | Finland | Ski jumping | 2014 Winter | |
| Kabange Mupopo | Zambia | Athletics, Football | 2016 Summer, 2024 Summer | |
| Robina Muqimyar | Afghanistan | Athletics | 2004 Summer, 2008 Summer | |
| Mura | Brazil | Football | 1964 Summer | |
| Christian Mura [ Wikidata ] | Italy | Baseball | 2000 Summer | |
| Giuseppe Mura | Boxing | 1968 Summer | |
| Roby La Mura | Rowing | 1992 Summer, 1996 Summer | |
| Ryuya Mura | Japan | Swimming | 2020 Summer | |
| Norma Murabito | Italy | Canoe sprint | 2012 Summer | |
| Michael Murach | Germany | Boxing | 1936 Summer | |
| Abdulrazzaq Murad | Qatar | Handball | 2016 Summer | |
| Lloyd Murad | Venezuela | Athletics | 1960 Summer, 1964 Summer | |
| Shihab Houna Murad | Iraq | 2000 Summer | |
| Kamol Muradov | Uzbekistan | Judo | 1996 Summer, 2000 Summer | |
| Shirvani Muradov | Russia | Wrestling | 2008 Summer | |
| Angelina Muradyan [ Wikidata ] | Armenia | Cross country skiing | 2022 Winter | |
| Nina Muradyan | Soviet Union | Volleyball | 1976 Summer | |
| Keisuke Murai | Japan | Rowing | 2000 Summer | |
| Shunji Murai | 1960 Summer | |
| Tomio Murai | 1968 Summer | |
| Ai Murakami | Field hockey | 2012 Summer | |
| Chikako Murakami | Basketball | 1996 Summer | |
| Daisuke Murakami | Snowboarding | 2002 Winter, 2010 Winter | |
| Eishiro Murakami | Weightlifting | 2024 Summer | |
| Fumiyuki Murakami | Snowboarding | 2006 Winter | |
| Kanako Murakami | Figure skating | 2014 Winter | |
| Kazuki Murakami | Diving | 2020 Summer | |
| Kiyonobu Murakami | Boxing | 1932 Summer | |
| Mai Murakami | Artistic gymnastics | 2016 Summer, 2020 Summer | |
| Megumi Murakami | Beach volleyball | 2020 Summer | |
| Munetaka Murakami | Baseball | 2020 Summer | |
| Tadashi Murakami | Athletics | 1936 Summer | |
| Yoshihiro Murakami | Modern pentathlon | 2008 Summer | |
| Yukifumi Murakami | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Yuma Murakami | Speed skating | 2022 Winter | |
| Yosuke Muraki | Weightlifting | 1984 Summer, 1988 Summer, 1992 Summer | |
| Yukito Muraki | Athletics | 1968 Summer, 1972 Summer | |
| Kohei Murakoso | 1936 Summer | |
| Thinaah Muralitharan | Malaysia | Badminton | 2024 Summer | |
| Pierre de Muralt | Switzerland | Equestrian jumping | 1928 Summer | |
| Timo Murama | Finland | Nordic combined, Ski jumping | 1936 Winter | |
| Arihito Muramatsu | Japan | Baseball | 2004 Summer | |
| Taisuke Muramatsu | Football | 2012 Summer | |
| Noel Murambi | Kenya | Volleyball | 2020 Summer | |
| Kana Muramoto | Japan | Figure skating | 2018 Winter | |
| Pirjo Muranen | Finland | Cross country skiing | 2010 Winter | |
| Masao Murano | Japan | Ice hockey | 1960 Winter | |
| Pāvels Murāns | Latvia | Swimming | 2004 Summer | |
| János Murányi | Hungary | Athletics | 1972 Summer | |
| Sanshiro Murao | Japan | Judo | 2024 Summer | |
| Mie Muraoka | Athletics | 1932 Summer | |
| Dwarkadas Murarji [ Wikidata ] | India | Water polo | 1948 Summer | |
| Alice Muraro | Italy | Athletics | 2024 Summer | |
| Tatsuya Murasa | Japan | Swimming | 2024 Summer | |
| Kokomo Murase | Snowboarding | 2022 Winter | |
| Minatsu Murase | Sweden | Ice hockey | 2018 Winter | |
| Yasushi Murase | Japan | Rowing | 1964 Summer | |
| Yoshinobu Murase | Biathlon | 1984 Winter | |
| Alexander Murashko | Belarus | Figure skating | 1994 Winter | |
| Andrey Murashko | Fencing | 2000 Summer | |
| Ruslan Murashov | Russian Olympic Committee | Speed skating | 2022 Winter | |
| Galina Murašova | Soviet Union | Athletics | 1980 Summer, 1988 Summer | |
| Louis Napoléon Achille Charles Murat | France | Equestrian jumping, Equestrian dressage | 1900 Summer | |
| Arisa Murata | Japan | Freestyle skiing | 2010 Winter, 2014 Winter, 2018 Winter | |
| Kazuma Murata | Field hockey | 2020 Summer | |
| Mitsuhiro Murata | Figure skating | 1992 Winter | |
| Ryōta Murata | Boxing | 2012 Summer | |
| Shuichi Murata | Baseball | 2008 Summer | |
| Yukari Murata | Rhythmic gymnastics | 2000 Summer, 2004 Summer | |
| Rachid Muratake | Athletics | 2024 Summer | |
| Samat Muratov | Kazakhstan | Diving | 1996 Summer | |
| Valentin Muratov | Soviet Union | Artistic gymnastics | 1952 Summer, 1956 Summer | |
| Valery Muratov | Speed skating | 1968 Winter, 1972 Winter, 1976 Winter | |
| Elena Muratova | Russia | Freestyle skiing | 2014 Winter | |
| Sofia Muratova | Soviet Union | Artistic gymnastics | 1956 Summer, 1960 Summer | |
| Emir Muratović | Bosnia and Herzegovina | Swimming | 2020 Summer | |
| Friedl Murauer | Austria | Athletics | 1960 Summer | |
| Romualdas Murauskas | Soviet Union | Boxing | 1956 Summer | |
| Vyacheslav Muravyev | Kazakhstan | Athletics | 2008 Summer, 2012 Summer | |
| Vladimir Muravyov | Soviet Union | 1980 Summer, 1988 Summer | |
| Lyudmila Muravyova | 1968 Summer, 1972 Summer | |
| Nadezhda Muravyova | Russia | Handball | 2012 Summer | |
| John Muray | Indonesia | Athletics | 2000 Summer | |
| Nickolas Muray | United States | Fencing | 1928 Summer, 1932 Summer | |
| Josephat Muraya | Kenya | Athletics | 1984 Summer | |
| Kota Murayama | Japan | 2016 Summer | |
| Takashi Murayama | Rowing | 1976 Summer | |
| Kathrin Murche [ Wikidata ] | Germany | Shooting | 2024 Summer | |
| Ira Murchison | United States | Athletics | 1956 Summer | |
| Loren Murchison | 1920 Summer, 1924 Summer | |
| Rosario Murcia | France | 1992 Summer | |
| Nahedh Al-Murdh | Kuwait | Fencing | 1988 Summer | |
| Andrew Murdoch | New Zealand | Sailing | 2008 Summer, 2012 Summer | |
| Arthur Murdoch | Great Britain | Boxing | 1908 Summer | |
| David Murdoch | Curling | 2006 Winter, 2010 Winter, 2014 Winter | |
| Frank Murdoch | Sailing | 1952 Summer | |
| Jack Murdoch | Canada | Rowing | 1928 Summer | |
| John Murdoch | Athletics | 1924 Summer | |
| Lesley Murdoch | New Zealand | Field hockey | 1984 Summer | |
| Ross Murdoch | Great Britain | Swimming | 2016 Summer, 2020 Summer | |
| Lorenzo Murdock | Jamaica | Road cycling | 1984 Summer | |
| Margaret Murdock | United States | Shooting | 1976 Summer | |
| Mike Murei | Kenya | Athletics | 1972 Summer | |
| Sergei Mureiko | Moldova, Bulgaria | Wrestling | 1996 Summer, 2000 Summer, 2004 Summer | |
| Dawid Murek | Poland | Volleyball | 2004 Summer | |
| Emma Murén [ Wikidata ] | Sweden | Ice hockey | 2022 Winter | |
| Fabiana Murer | Brazil | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Emil Mureşan | Romania | Water polo | 1964 Summer | |
| Tănase Mureșanu | Fencing | 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer | |
| Andrea Murez | Israel | Swimming | 2016 Summer, 2020 Summer, 2024 Summer | |
| Elena Murgoci | Romania | Athletics | 1992 Summer | |
| Edo Murić | Slovenia | Basketball | 2020 Summer | |
| Maja Murić | Croatia | Tennis | 1996 Summer | |
| Osman Murillo Segura | Costa Rica | Judo | 2012 Summer | |
| Digna Luz Murillo | Colombia | Athletics | 2000 Summer, 2004 Summer | |
| Jhon Murillo | 2016 Summer | |
| Jorge Murillo | Costa Rica | Archery | 1980 Summer | |
| Jorge Murillo | Colombia | Swimming | 2016 Summer, 2020 Summer | |
| María Lucelly Murillo | Athletics | 2020 Summer, 2024 Summer | |
| Melisa Murillo | 2000 Summer, 2004 Summer | |
| Miguel Murillo | Costa Rica | Judo | 2016 Summer | |
| Tolentino Murillo | Colombia | Weightlifting | 1988 Summer | |
| Igor Murín | Slovakia | Ice hockey | 1998 Winter | |
| Anna Murínová | Biathlon | 1998 Winter, 2002 Winter, 2006 Winter | |
| Natalya Murinovich | Russia | Athletics | 2008 Summer | |
| Justin Murisier | Switzerland | Alpine skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Peeter Mürk | Estonia | Weightlifting | 1936 Summer | |
| William Murless | South Africa | Shooting | 1952 Summer | |
| Uroš Murn | Slovenia | Road cycling | 2000 Summer, 2004 Summer | |
| Tarhumas Murnikas | Lithuania | 1928 Summer | |
| Yojiro Muro | Japan | Athletics | 1964 Summer | |
| Akmal Murodov | Tajikistan | Judo | 2020 Summer | |
| Koji Murofushi | Japan | Athletics | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Shigenobu Murofushi | 1972 Summer, 1976 Summer, 1984 Summer | |
| Yuka Murofushi | 2004 Summer | |
| Elma Muros | Philippines | 1984 Summer, 1996 Summer | |
| Sei Muroya | Japan | Football | 2016 Summer | |
| Yoshitaka Muroya | Athletics | 1952 Summer, 1956 Summer | |
| Amee-Leigh Costigan | Ireland | Rugby sevens | 2024 Summer | |
| Abbey Murphy | United States | Ice hockey | 2022 Winter | |
| Andrew Murphy | Australia | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Annalise Murphy | Ireland | Sailing | 2012 Summer, 2016 Summer, 2020 Summer | |
| Barry Murphy | Swimming | 2012 Summer | |
| Bob Murphy | New Zealand | Rowing | 1976 Summer | |
| Catherine Murphy | Great Britain | Athletics | 2004 Summer | |
| Clayton Murphy | United States | 2016 Summer, 2020 Summer | |
| Connor Murphy | Australia | 2024 Summer | |
| Deirdre Murphy | Ireland | Road cycling | 2000 Summer | |
| Dennis Murphy | United States | Equestrian jumping | 1976 Summer | |
| Ed Murphy | Football | 1956 Summer | |
| Eddie Murphy | Speed skating | 1928 Winter, 1932 Winter | |
| Edward Murphy | Rowing | 1996 Summer, 2000 Summer | |
| Francis Murphy | Australia | Diving | 1952 Summer, 1956 Summer | |
| Frank Murphy | United States | Athletics | 1912 Summer | |
| Frank Murphy | Ireland | 1968 Summer, 1972 Summer | |
| Fred Murphy | Australia | Wrestling | 1956 Summer | |
| Gráinne Murphy | Ireland | Swimming | 2012 Summer | |
| Henry Murphy | Great Britain | Field hockey | 1908 Summer | |
| J. Murphy | India | Athletics | 1928 Summer | |
| James Murphy | Great Britain | 1908 Summer | |
| Jim Murphy | Ireland | Boxing | 1932 Summer | |
| John Murphy | United States | Athletics | 1920 Summer | |
| John Murphy | Australia | Shooting | 1964 Summer | |
| John Murphy | United States | Swimming | 1972 Summer | |
| Joseph Murphy | Ireland | Equestrian eventing | 2012 Summer | |
| Kelly Murphy | United States | Volleyball | 2016 Summer | |
| Kelly Murphy | Ireland | Track cycling | 2024 Summer | |
| Linda Murphy | United States | Volleyball | 1964 Summer | |
| Lizanne Murphy | Canada | Basketball | 2012 Summer, 2016 Summer | |
| Margaret Murphy | Ireland | Athletics | 1972 Summer | |
| Maureen Murphy | United States | Swimming | 1956 Summer | |
| Michael Murphy | Australia | Diving | 1992 Summer, 1996 Summer | |
| Miles Murphy | Athletics | 1988 Summer | |
| Patrick Murphy | Canada | Road cycling | 1956 Summer | |
| Patrick Murphy | Ireland | Judo | 1972 Summer | |
| Patrick Murphy | Australia | Swimming | 2004 Summer, 2008 Summer | |
| Peter Murphy | Rowing | 1992 Summer | |
| Richard Murphy | United States | 1952 Summer | |
| Ryan Murphy | Swimming | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sarah Murphy | Zimbabwe | 1992 Summer | |
| Sarah Murphy | New Zealand | Biathlon | 2010 Winter | |
| Sean Murphy | Canada | Swimming | 1988 Summer | |
| Shaun Murphy | Australia | Football | 1992 Summer | |
| Sonny Murphy | Ireland | Athletics | 1932 Summer | |
| Tom Murphy | United States | 1960 Summer | |
| Troy Murphy | Freestyle skiing | 2018 Winter | |
| Tucker Murphy | Bermuda | Cross country skiing | 2010 Winter, 2014 Winter, 2018 Winter | |
| William Murphy | United States | Lacrosse | 1904 Summer | |
| William Murphy | Canada | Rowing | 1912 Summer | |
| William Murphy | Ireland | Boxing | 1924 Summer, 1928 Summer | |
| Marie Murphy-Rollins | Athletics | 1988 Summer | |
| Assaf El-Murr | Lebanon | Judo | 1992 Summer | |
| Allan Murray | Bahamas | Swimming | 1992 Summer, 1996 Summer, 2000 Summer | |
| Andy Murray | Great Britain | Tennis | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Archibald Murray [ Wikidata ] | Fencing | 1908 Summer | |
| Bruce Murray | United States | Football | 1988 Summer | |
| Calvin Murray | Baseball | 1992 Summer | |
| Candace Murray | Canada | Softball | 1996 Summer | |
| Carolyn Murray | Triathlon | 2008 Summer | |
| Christopher Murray | Bahamas | Swimming | 2000 Summer | |
| Darren Murray | South Africa | 2012 Summer | |
| Dave Murray | Canada | Alpine skiing | 1976 Winter, 1980 Winter | |
| David Murray | Great Britain | Water polo | 1948 Summer, 1952 Summer | |
| Denis Murray | Athletics | 1908 Summer | |
| Douglas Murray | Sweden | Ice hockey | 2010 Winter | |
| Eric Murray | New Zealand | Rowing | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Feg Murray | United States | Athletics | 1920 Summer | |
| Fergus Murray | Great Britain | 1964 Summer | |
| Godfrey Murray | Jamaica | 1972 Summer | |
| Henry Murray | Australasia | 1908 Summer | |
| Herman Murray | Canada | Ice hockey | 1936 Winter | |
| Iain Murray | Australia | Sailing | 2008 Summer | |
| Jamal Murray | Canada | Basketball | 2024 Summer | |
| James Murray | United States | Luge | 1968 Winter, 1972 Winter, 1976 Winter | |
| Jamie Murray | Great Britain | Tennis | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Janine Murray | Australia | Rhythmic gymnastics | 2012 Summer | |
| Joe Murray | Great Britain | Boxing | 2008 Summer | |
| John Murray [ Wikidata ] | Athletics | 1908 Summer | |
| John Murray | Ice hockey | 1948 Winter | |
| Johnny Murray | Ireland | Football | 1924 Summer | |
| Julia Murray | Canada | Freestyle skiing | 2010 Winter | |
| Julie Murray | Australia | Football | 2000 Summer | |
| Patrick Murray | Shooting | 1992 Summer, 1996 Summer | |
| Paul Murray | Cross country skiing | 2006 Winter, 2010 Winter | |
| Raymond Murray | United States | Speed skating | 1932 Winter | |
| Richard Murray | South Africa, Netherlands | Triathlon | 2012 Summer, 2016 Summer, 2024 Summer | |
| Robert Murray | Great Britain | Shooting | 1912 Summer | |
| Ross Murray | Athletics | 2012 Summer | |
| Samantha Murray | Modern pentathlon | 2012 Summer, 2016 Summer | |
| Sean Murray | Ireland | Field hockey | 2024 Summer | |
| Sergio Murray | Netherlands Antilles | Judo | 1996 Summer | |
| Sharna Murray | Great Britain | Artistic gymnastics | 2000 Summer | |
| Suna Murray | United States | Figure skating | 1972 Winter | |
| T. C. Murray | Ireland | Art competitions | 1924 Summer | |
| Thomas Murray | Great Britain | Curling | 1924 Winter | |
| Tom Murray | United States | Rowing | 1996 Summer | |
| Tom Murray | New Zealand | 2016 Summer, 2020 Summer, 2024 Summer | |
| William Murray | Great Britain | Athletics | 1908 Summer | |
| William Murray | Australasia | 1912 Summer | |
| Yvonne Murray | Great Britain | 1988 Summer, 1992 Summer | |
| Linda Murray-Dragan | United States | Canoe sprint | 1972 Summer, 1976 Summer | |
| Deb Murrell | Great Britain | Cycling mountain bike | 1996 Summer | |
| Mark Murro | United States | Athletics | 1968 Summer | |
| Heike Murrweiss | Germany | Handball | 1996 Summer | |
| Richard Murry | Great Britain | Art competitions | 1948 Summer | |
| Jan Muršak | Slovenia | Ice hockey | 2014 Winter, 2018 Winter | |
| Saybattal Mursalimov | Soviet Union | Equestrian eventing | 1960 Summer, 1964 Summer | |
| Elvin Mursaliyev | Azerbaijan | Wrestling | 2016 Summer | |
| Fiona Murtagh | Ireland | Rowing | 2020 Summer, 2024 Summer | |
| Aizanat Murtazaeva | Russian Olympic Committee | Fencing | 2020 Summer | |
| Makhach Murtazaliev | Russia | Wrestling | 2004 Summer | |
| Sagid Murtazaliev | Ukraine, Russia | 1996 Summer, 2000 Summer | |
| Andrew Murtha | Australia | Short track speed skating | 1992 Winter, 1994 Winter | |
| Matti Murto | Finland | Ice hockey | 1972 Winter, 1976 Winter | |
| Wilma Murto | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Esa Murtoaro | Wrestling | 1988 Summer | |
| Riitta-Mari Murtoniemi | Shooting | 1996 Summer | |
| Ainhoa Murúa | Spain | Triathlon | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Pedro Murúa | Field hockey | 1960 Summer | |
| Shurentheran Murugesan | Malaysia | 1984 Summer | |
| Mohamed Muruli | Uganda | Boxing | 1968 Summer, 1972 Summer | |
| Richard Murunga | Kenya | 1972 Summer | |
| Vakhtang Murvanidze | Georgia | Figure skating | 2002 Winter, 2006 Winter | |
| Alfredo Mury | Guatemala | Shooting | 1952 Summer | |
| Makhlukhanum Murzayeva | Russia | Archery | 1996 Summer | |
| Elena Murzina | Rhythmic gymnastics | 2004 Summer | |
| Atanda Musa | Nigeria | Table tennis | 1988 Summer, 1992 Summer | |
| James Musa | New Zealand | Football | 2012 Summer | |
| John Musa | Zimbabwe | Track cycling | 1980 Summer | |
| Khaled Ahmed Musa | Sudan | Athletics | 1992 Summer | |
| Murjanatu Musa | Nigeria | Basketball | 2024 Summer | |
| Mustafa Musa | Uganda | Athletics | 1968 Summer | |
| Suleman Musa | Nigeria | Judo | 1992 Summer, 1996 Summer | |
| Musab Adam Ali | Qatar | Athletics | 2020 Summer | |
| Lars Musæus | Norway | Sailing | 1948 Summer | |
| Beibulat Musaev | Belarus | Wrestling | 2000 Summer | |
| Magomed Musaev | Kyrgyzstan | 2012 Summer, 2016 Summer | |
| Ronald Musagala | Uganda | Athletics | 2016 Summer, 2020 Summer | |
| Kojo Musah | Denmark | 2020 Summer | |
| Fahad Al-Musaibeah | Saudi Arabia | Football | 1984 Summer | |
| Besnik Musaj | Albania | Road cycling | 1996 Summer | |
| Vladimir Musalimov | Soviet Union | Boxing | 1968 Summer | |
| Archfell Musango | Zambia | Athletics | 1980 Summer, 1984 Summer | |
| Mary Musani | Uganda | 1964 Summer | |
| Rose Musani | 1972 Summer | |
| Remzi Musaoğlu | Turkey | Wrestling | 1992 Summer | |
| Agness Musase | Zambia | Football | 2020 Summer | |
| Simona Mușat | Romania | Rowing | 2004 Summer, 2008 Summer | |
| Mustafa El-Musbah | Libya | Volleyball | 1980 Summer | |
| Carmel Muscat | Malta | Road cycling | 1980 Summer | |
| Kevin Muscat | Australia | Football | 1996 Summer | |
| Nicola Muscat | Malta | Swimming | 2012 Summer, 2016 Summer | |
| Danja Müsch | Germany | Beach volleyball | 1996 Summer, 2000 Summer, 2004 Summer | |
| Joseph Musch | Belgium | Football | 1920 Summer | |
| André Muschs | Field hockey | 1956 Summer, 1960 Summer, 1964 Summer, 1968 Summer | |
| Michel Muschs | 1960 Summer, 1964 Summer | |
| Maryan Nuh Muse | Somalia | Athletics | 2016 Summer | |
| Johan Museeuw | Belgium | Road cycling | 1996 Summer | |
| Ștefan Musei | Romania | Luge | 2018 Winter | |
| Dmitry Muserskiy | Russia | Volleyball | 2012 Summer | |
| Lorenzo Musetti | Italy | Tennis | 2020 Summer, 2024 Summer | |
| Andrew Musgrave | Great Britain | Cross country skiing | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Pauline Musgrave | Swimming | 1952 Summer | |
| Rosamund Musgrave | Cross country skiing | 2014 Winter | |
| Hazel Musgrove | Water polo | 2012 Summer | |
| Irina Mushayilova | Unified Team | Athletics | 1992 Summer | |
| Bogger Mushanga | Zambia | 1980 Summer | |
| Ilgar Mushkiyev | Azerbaijan | Judo | 2012 Summer | |
| Viktor Mushtakov | Russian Olympic Committee | Speed skating | 2022 Winter | |
| Anatoliy Mushyk | Ukraine | Weightlifting | 2004 Summer | |
| Mariusz Musial | Norway | Bobsleigh | 2002 Winter | |
| Stuart Musialik | Australia | Football | 2008 Summer | |
| Aleš Mušič | Slovenia | Ice hockey | 2014 Winter, 2018 Winter | |
| Amar Musić | Croatia | Weightlifting | 2016 Summer | |
| Walenty Musielak | Poland | Football | 1936 Summer | |
| Ihor Musiyenko | Ukraine | Athletics | 2020 Summer | |
| Yvonne Musik | Germany | Artistic gymnastics | 2004 Summer | |
| Cyril Musil | Czechoslovakia | Cross country skiing | 1936 Winter | |
| Harald von Musil | Austria | Sailing | 1948 Summer, 1952 Summer, 1960 Summer | |
| Jaromír Musil | Czech Republic | Judo | 2012 Summer | |
| Jiří Musil | Czechoslovakia | Speed skating | 1992 Winter | |
| Josef Musil | Volleyball | 1964 Summer, 1968 Summer | |
| Miroslav Musil | Wrestling | 1972 Summer | |
| Michaela Musilová | Czech Republic | Shooting | 2008 Summer | |
| Iaroslav Mușinschi | Moldova | Athletics | 2000 Summer, 2008 Summer, 2012 Summer | |
| Bogdan Musioł | East Germany, Germany | Bobsleigh | 1980 Winter, 1984 Winter, 1988 Winter, 1992 Winter, 1994 Winter | |
| László Muskát | Hungary | Athletics | 1924 Summer | |
| Milan Muškatirović | Yugoslavia | Water polo | 1960 Summer, 1964 Summer | |
| Srđan Muškatirović | Independent Olympians | Tennis | 1992 Summer | |
| Eefje Muskens | Netherlands | Badminton | 2016 Summer | |
| Mirjam Müskens | Taekwondo | 2000 Summer | |
| Emily Muskett | Great Britain | Weightlifting | 2020 Summer | |
| Josef Muskita | Indonesia | Sailing | 1960 Summer | |
| Eugène Muslar | Belize | Athletics | 1984 Summer, 1988 Summer, 1996 Summer | |
| Petar Muslim | Croatia | Water polo | 2012 Summer | |
| Pavel Muslimov | Russia | Biathlon | 1998 Winter | |
| Ercan Muslu | Turkey | Athletics | 2016 Summer | |
| Kemal Muslubaş | Sailing | 2004 Summer, 2008 Summer | |
| Meghan Musnicki | United States | Rowing | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Fred Musobo | Uganda | Athletics | 2020 Summer | |
| Deogratias Musoke | Boxing | 1972 Summer | |
| Mary Musoke | Table tennis | 1992 Summer, 1996 Summer, 2000 Summer | |
| Ngambo Musole | Zambia | Football | 2020 Summer, 2024 Summer | |
| Federico Musolesi | Italy | Archery | 2024 Summer | |
| Enrico Musolino | Speed skating | 1948 Winter, 1952 Winter | |
| Charly Musonda | Zambia | Football | 1988 Summer | |
| Damiano Musonda | Athletics | 1972 Summer, 1980 Summer | |
| Enock Musonda | 1988 Summer | |
| Angelo Musone | Italy | Boxing | 1984 Summer | |
| Moses Musonge | Uganda | Athletics | 1988 Summer | |
| Julian Muspratt [ Wikidata ] | Australia | Water polo | 1980 Summer, 1984 Summer | |
| Aaron Muss | United States | Snowboarding | 2018 Winter | |
| Abdullah Mussa | Libya | Weightlifting | 1988 Summer | |
| Faustine Mussa | Tanzania | Athletics | 2012 Summer | |
| Danil Mussabayev | Kazakhstan | Trampolining | 2024 Summer | |
| Sanzhar Mussayev | Archery | 2020 Summer | |
| Steef van Musscher | Netherlands | Athletics | 1928 Summer | |
| Maddie Musselman | United States | Water polo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Harry Mussen | Great Britain | Track cycling | 1908 Summer | |
| Camillo Mussi | Italy | Ice hockey | 1936 Winter | |
| Adilbek Mussin | Kazakhstan | Swimming | 2024 Summer | |
| Heinz Mußmann | West Germany | Rowing | 1972 Summer | |
| Gerhard Mussner | Italy | Alpine skiing | 1968 Winter | |
| Francesco Musso | Boxing | 1960 Summer | |
| Maria Musso | Athletics | 1952 Summer, 1956 Summer | |
| Paul Musso | France | Shooting | 1968 Summer | |
| Sharon Musson | New Zealand | Swimming | 1988 Summer | |
| Raul Must | Estonia | Badminton | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Mubarak Mustafa | Qatar | Football | 1992 Summer | |
| Nataliya Mustafayeva | Ukraine, Azerbaijan | Rowing | 2008 Summer, 2012 Summer | |
| Farhat Mustafin | Soviet Union | Wrestling | 1976 Summer | |
| Vladislav Mustafin | Uzbekistan | Swimming | 2016 Summer | |
| Aliya Mustafina | Russia | Artistic gymnastics | 2012 Summer, 2016 Summer | |
| Said Mustafov | Bulgaria | Wrestling | 1964 Summer, 1968 Summer | |
| Erkki Mustakari | Finland | Athletics | 1968 Summer | |
| Fatehah Mustapa | Malaysia | Track cycling | 2012 Summer, 2016 Summer | |
| Dan Mustapic | New Zealand | Curling | 2006 Winter | |
| Dragan Mustapić | Bosnia and Herzegovina, Croatia | Athletics | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Ivan Mustapić | Croatia | 1992 Summer | |
| Dumitru Mustață | Romania | Fencing | 1960 Summer | |
| Marin Mustață | 1976 Summer, 1980 Summer, 1984 Summer | |
| Peter Muster | Switzerland | Athletics | 1976 Summer | |
| Thomas Muster | Austria | Tennis | 1992 Summer | |
| Keith Musto | Great Britain | Sailing | 1964 Summer | |
| Kaija Mustonen | Finland | Speed skating | 1964 Winter, 1968 Winter | |
| Risto Mustonen | Wrestling | 1912 Summer | |
| Sami Mustonen | Freestyle skiing | 1998 Winter, 2002 Winter, 2006 Winter | |
| Sara Mustonen | Sweden | Road cycling | 2008 Summer, 2016 Summer | |
| Zoran Mustur | Yugoslavia | Water polo | 1980 Summer | |
| Ismail Musukaev | Hungary | Wrestling | 2020 Summer, 2024 Summer | |
| David Musulbes | Russia, Slovakia | 2000 Summer, 2008 Summer | |
| Maddalena Musumeci | Italy | Water polo | 2004 Summer, 2008 Summer | |
| Pierre Musy | Switzerland | Bobsleigh, Equestrian eventing | 1936 Winter, 1948 Summer | |
| Thomas Musyl | Austria | Rowing | 1988 Summer | |
| Michael Musyoki | Kenya | Athletics | 1984 Summer | |
| Dimitar Mutafchiev | Bulgaria | Football | 1924 Summer | |
| Nikola Mutafchiev | 1924 Summer | |
| Abel Mutai | Kenya | Athletics | 2012 Summer | |
| Emmanuel Kipchirchir Mutai | 2012 Summer | |
| Solomon Mutai | Uganda | 2016 Summer | |
| Faraj Al-Mutairi | Kuwait | Handball | 1980 Summer | |
| Husain Al-Mutairi | Boxing | 1988 Summer | |
| Mashfi Al-Mutairi | Shooting | 2000 Summer, 2004 Summer | |
| Saeed Al-Mutairi | Saudi Arabia | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2020 Summer | |
| Zaid Al-Mutairi | Kuwait | 2008 Summer | |
| Manhi Al-Mutairy | Saudi Arabia | 1984 Summer | |
| Crispen Mutakanyi | Zimbabwe | Athletics | 2000 Summer | |
| Lucky Mutale | Zambia | Boxing | 1980 Summer | |
| Marid Mutalimov | Kazakhstan | Wrestling | 2004 Summer, 2008 Summer | |
| Paul Mutambuze | Uganda | Table tennis | 1996 Summer | |
| Olga Mutanda | Ivory Coast | Athletics | 1992 Summer | |
| Annikka Mutanen | Finland | Judo | 1992 Summer | |
| Emir Mutapčić | Yugoslavia | Basketball | 1984 Summer | |
| Kadhim Mutashar | Iraq | Football | 1984 Summer | |
| Barbara Mutch | Canada | Rowing | 1976 Summer | |
| Julius Mutekanga | Uganda | Athletics | 2012 Summer | |
| Costel Mutescu | Romania | Rowing | 2000 Summer | |
| Emily Muteti | Kenya | Swimming | 2020 Summer | |
| Fred Mutuweta | Uganda | Boxing | 1988 Summer, 1992 Summer | |
| Thandava Murthy Muthu | India | Weightlifting | 2000 Summer | |
| Gurunathan Muthuswamy | 1988 Summer | |
| Ágnes Mutina | Hungary | Swimming | 2004 Summer, 2008 Summer, 2012 Summer | |
| Esther Mutinda [ Wikidata ] | Kenya | Volleyball | 2024 Summer | |
| Julius Mutinda | Field hockey | 1984 Summer, 1988 Summer | |
| Florencia Mutio | Argentina | 2012 Summer, 2016 Summer | |
| Peter Mutkovič | Czechoslovakia | Football | 1968 Summer | |
| Erol Mutlu | Turkey | Wrestling | 1976 Summer | |
| Halil Mutlu | Weightlifting | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Semiha Mutlu | Athletics | 2012 Summer | |
| Hiroki Muto | Japan | Archery | 2020 Summer | |
| Keiko Muto | Canoe sprint | 1992 Summer, 1996 Summer | |
| Kaleka Mutoke | Democratic Republic of the Congo | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Lynett Mutokuto | Zimbabwe | Football | 2016 Summer | |
| Maria Mutola | Mozambique | Athletics | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Leevi Mutru | Finland | Nordic combined | 2018 Winter | |
| Pertti Mutru | Basketball | 1952 Summer | |
| Edda Mutter | Germany | Alpine skiing | 1994 Winter | |
| Marjatta Muttilainen-Olkkonen | Finland | Cross country skiing | 1968 Winter, 1972 Winter | |
| Joseph Mutua | Kenya | Athletics | 2000 Summer, 2004 Summer | |
| Veronica Kamumbe Mutua | 2024 Summer | |
| Suchart Mutugun | Thailand | Football | 1956 Summer | |
| Ashton Mutuwa | Nigeria | Wrestling | 2024 Summer | |
| William Mutwol | Kenya | Athletics | 1992 Summer | |
| Betsy Muus | Belgium | Art competitions | 1932 Summer | |
| Mia Muusfeldt | Denmark | Swimming | 1996 Summer | |
| Abram Muusse | Netherlands | Canoe sprint | 1968 Summer | |
| Tiago Muxanga [ Wikidata ] | Mozambique | Boxing | 2024 Summer | |
| Helge Muxoll Schrøder | Denmark | Rowing | 1948 Summer, 1952 Summer | |
| Fabian Muyaba | Zimbabwe | Athletics | 1988 Summer, 1992 Summer | |
| Irene Muyanga | Uganda | 1964 Summer | |
| Asadkhuja Muydinkhujaev | Uzbekistan | Boxing | 2024 Summer | |
| Joseph Van Muylders | Belgium | Field hockey | 1948 Summer | |
| Albert Muylle | Track cycling | 1928 Summer | |
| Julien Van Muysen | Boxing | 1920 Summer | |
| Victor Muzadi | Angola | Basketball | 2000 Summer, 2004 Summer | |
| Elvedina Muzaferija | Bosnia and Herzegovina | Alpine skiing | 2018 Winter, 2022 Winter | |
| Bahram Muzaffer | Turkey | Boxing | 2008 Summer, 2012 Summer | |
| Ibrahim Muzaffer | Kuwait | Judo | 1976 Summer, 1980 Summer | |
| Alik Muzaiev | Ukraine | Wrestling | 2000 Summer | |
| Suzanne Muzanne | France | Art competitions | 1932 Summer | |
| Marcel Muzard | Athletics | 1924 Summer | |
| Maxence Muzaton | Alpine skiing | 2018 Winter, 2022 Winter | |
| Līna Mūze | Latvia | Athletics | 2012 Summer, 2020 Summer, 2024 Summer | |
| Rebecca Muzerie | Great Britain | Rowing | 2020 Summer | |
| Jiří Mužík | Czech Republic | Athletics | 2000 Summer, 2004 Summer | |
| Christine Muzio | France | Fencing | 1976 Summer, 1980 Summer | |
| Gloria Muzito | Uganda | Swimming | 2024 Summer | |
| Alston Muziyo | Zambia | Athletics | 1980 Summer | |
| Benny Muziyo | Boxing | 2016 Summer | |
| Felistas Muzongondi | Zimbabwe | Football | 2016 Summer | |
| Everardo Múzquiz | Mexico | Athletics | 1932 Summer | |
| Favoris Muzrapov [ Wikidata ] | Tajikistan | 2024 Summer | |
| Aleksandr Muzychenko | Soviet Union | Sailing | 1980 Summer | |
| Roman Muzyk | Poland | Athletics | 1960 Summer | |
| Jason Muzzatti | Italy | Ice hockey | 2006 Winter | |
| Oreste Muzzi [ Wikidata ] | Swimming | 1908 Summer | |
| Roberto Muzzi | Football | 1992 Summer | |
| Rob Muzzio | United States | Athletics | 1992 Summer | |
| Mothobi Mvala | South Africa | Football | 2016 Summer | |
| Henri Mveh | Cameroon | Road cycling | 1976 Summer | |
| Samkelo Mvimbi | South Africa | Field hockey | 2020 Summer, 2024 Summer | |
| Esther Mvondo | Cameroon | Athletics | 2000 Summer | |
| Bernard Mvondo-Etoga | Judo | 2004 Summer | |
| Gabriel Mvumvure | Zimbabwe | Athletics | 2016 Summer | |
| Jean Pierre Mvuyekure | Rwanda | 2012 Summer | |
| David Mwaba | Tanzania | Boxing | 1984 Summer | |
| Moses Mwaba | Zambia | 1984 Summer | |
| Francis Mwahza | Judo | 1980 Summer | |
| Robert Mwakosya | Tanzania | Boxing | 1972 Summer | |
| Wilfred Mwalawanda | Malawi | Athletics | 1972 Summer | |
| Bush Mwale | Kenya | Rugby sevens | 2016 Summer | |
| Davis Mwale | Zambia | Boxing | 1996 Summer, 2004 Summer | |
| Anthony Mwamba | 1988 Summer | |
| Christopher Mwamba | 1984 Summer | |
| Godfrey Mwamba | 1968 Summer | |
| Meji Mwamba | Democratic Republic of the Congo | 2012 Summer | |
| Patrick Mwamba | Zambia | 1984 Summer, 1988 Summer | |
| Ngozi Mwanamwambwa | Athletics | 1992 Summer, 1996 Summer | |
| Obedi Mwanga | Tanzania | 1972 Summer | |
| Benjamin Mwangata | Boxing | 1988 Summer, 1992 Summer | |
| Matthew Lidaywa Mwange | Kenya | Rowing | 2008 Summer | |
| Daniel Mwangi | Boxing | 1984 Summer | |
| Sammy Mwangi | 1984 Summer | |
| Webbyego Mwangu | Zambia | 1980 Summer | |
| Mwinga Mwanjala | Tanzania | Athletics | 1980 Summer, 1984 Summer | |
| Kenny Mwansa | Zambia | Boxing | 1968 Summer | |
| Pearson Mwanza | Football | 1988 Summer | |
| Richard Mwanza | 1988 Summer | |
| Kenny Mwape | 1980 Summer | |
| Sam Mfula Mwape | Athletics | 2000 Summer | |
| Paulo Mwaselle | Tanzania | Boxing | 1992 Summer | |
| John Mwathiwa | Malawi | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| John Harun Mwau | Kenya | Shooting | 1968 Summer, 1972 Summer | |
| Agripa Mwausegha | Malawi | Athletics | 1984 Summer | |
| Lataisi Mwea | Kiribati | 2020 Summer | |
| John Mwebi | Kenya | 1972 Summer | |
| Lushomo Mweemba | Zambia | Football | 2020 Summer, 2024 Summer | |
| Stephen Mwema | Kenya | Boxing | 1988 Summer | |
| Kaitinano Mwemweata | Kiribati | Athletics | 2004 Summer | |
| Morgan Mwenya | Zambia | Boxing | 1972 Summer | |
| Samwel Mwera | Tanzania | Athletics | 2004 Summer, 2008 Summer | |
| Boniface Mweresa | Kenya | 2012 Summer, 2024 Summer | |
| Keith Mwila | Zambia | Boxing | 1984 Summer | |
| Olivier Mwimba | Democratic Republic of the Congo | Athletics | 2020 Summer | |
| Peter Mwita | Tanzania | 1980 Summer | |
| Chit Mya | Myanmar | Weightlifting | 1964 Summer | |
| Thint Myaat | Swimming | 2016 Summer | |
| Dasrangiin Myagmar | Mongolia | Wrestling | 1972 Summer | |
| Mönkhbatyn Myagmarjargal | Boxing | 2020 Summer | |
| Tüdeviin Myagmarjav | Shooting | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Olena Myahkikh | Ukraine | Speed skating | 2002 Winter | |
| Igor Myalin [ Wikidata ] | Uzbekistan | Diving | 2024 Summer | |
| Nodjialem Myaro | France | Handball | 2000 Summer, 2004 Summer | |
| Aleksandr Myasnikov | Soviet Union | Field hockey | 1980 Summer, 1988 Summer | |
| Sergey Myasnikov | Russia | Sailing | 1996 Summer | |
| Viktor Myasnikov | Soviet Union | Athletics | 1972 Summer, 1976 Summer | |
| Alwyn Myburgh | South Africa | 2000 Summer, 2004 Summer, 2008 Summer | |
| Brian Myburgh | Field hockey | 1996 Summer | |
| Geoff Myburgh | Sailing | 1956 Summer | |
| Jeanette Myburgh | Swimming | 1956 Summer | |
| Natalie Myburgh | 1956 Summer | |
| Curtis Myden | Canada | 1992 Summer, 1996 Summer, 2000 Summer | |
| Lee Myeong-hui [ Wikidata ] | South Korea | Volleyball | 1984 Summer | |
| Jeong Myeong-o | Athletics | 1988 Summer | |
| Andrew Myers | Jamaica | Track cycling | 1992 Summer | |
| Carlton Myers | Italy | Basketball | 2000 Summer | |
| Edwin Myers | United States | Athletics | 1920 Summer | |
| Ken Myers | Rowing | 1920 Summer, 1928 Summer, 1932 Summer | |
| Krisy Myers | Canada | Speed skating | 2006 Winter | |
| Linda Myers | United States | Archery | 1972 Summer, 1976 Summer | |
| Sandra Myers | Spain | Athletics | 1988 Summer, 1996 Summer | |
| Tim Myers | New Zealand | Football | 2012 Summer | |
| Viola Myers | Canada | Athletics | 1948 Summer | |
| Carl Myerscough | Great Britain | 2012 Summer | |
| Richard Myerscough | Canada | Sailing | 1988 Summer | |
| Paula Jean Myers-Pope | United States | Diving | 1952 Summer, 1956 Summer, 1960 Summer | |
| Gongoryn Myeryei | Mongolia | Cross country skiing | 1992 Winter | |
| Aaron Myette | Canada | Baseball | 2004 Summer | |
| Stelios Mygiakis | Greece | Wrestling | 1972 Summer, 1976 Summer, 1980 Summer, 1984 Summer | |
| Herman Myhrberg | Sweden | Football | 1912 Summer | |
| Geir Myhre | Norway | Ice hockey | 1980 Winter, 1984 Winter | |
| Lars Elton Myhre | Alpine skiing | 2006 Winter, 2010 Winter | |
| André Myhrer | Sweden | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Aage Myhrvold | Norway | Road cycling | 1948 Summer | |
| Mathilde Myhrvold | Cross country skiing | 2022 Winter | |
| Edouard Myin | Belgium | Shooting | 1900 Summer | |
| Sann Myint | Myanmar | Weightlifting | 1980 Summer | |
| Swe Li Myint | Athletics | 2016 Summer | |
| Thein Myint | Boxing | 1956 Summer, 1960 Summer, 1964 Summer | |
| Volodymyr Mykhailenko | Ukraine | Athletics | 2000 Summer | |
| Vasyl Mykhailov | Wrestling | 2020 Summer, 2024 Summer | |
| Yevhen Mykhailov | Soviet Union | Swimming | 1968 Summer | |
| Andriy Mykhailychenko | Ukraine | Artistic gymnastics | 2004 Summer | |
| Iryna Mykhalchenko | Athletics | 2000 Summer, 2004 Summer | |
| Mykola Mykhaylenko | Football | 2024 Summer | |
| Oleg Mykhaylov | Shooting | 1996 Summer, 2000 Summer | |
| Darya Mykhaylova | Athletics | 2020 Summer | |
| Oleksiy Mykhaylychenko | Soviet Union | Football | 1988 Summer | |
| Lene Mykjåland | Norway | 2008 Summer | |
| John Mykkanen | United States | Swimming | 1984 Summer | |
| Kirsi Mykkänen | Finland | Athletics | 2004 Summer | |
| Merete Myklebust | Norway | Football | 1996 Summer | |
| Povilas Mykolaitis | Lithuania | Athletics | 2012 Summer | |
| Mariya Mykolenko | Ukraine | 2020 Summer | |
| Leonid Mykytenko | Soviet Union | 1968 Summer | |
| Ray Myland | Great Britain | Wrestling | 1948 Summer, 1952 Summer | |
| Cammy Myler | United States | Luge | 1988 Winter, 1992 Winter, 1994 Winter, 1998 Winter | |
| Jonathan Myles | 2006 Winter | |
| Reggie Myles | Ireland | Athletics | 1948 Summer | |
| John Myles-Mills | Ghana | 1988 Summer, 1992 Summer | |
| Leonard Myles-Mills | 2000 Summer, 2004 Summer | |
| Mario Mylius | Switzerland | Equestrian eventing | 1936 Summer | |
| Iisak Mylläri | Finland | Wrestling | 1924 Summer | |
| Mika Myllylä | Cross country skiing | 1992 Winter, 1994 Winter, 1998 Winter | |
| Pekka Myllylä | Ice hockey | 1952 Winter | |
| Seppo Myllylä | Judo | 1980 Summer, 1984 Summer | |
| Jarmo Myllys | Ice hockey | 1988 Winter, 1994 Winter, 1998 Winter | |
| Sergei Mylnikov | Soviet Union | 1988 Winter | |
| Vladislav Mylnikov | Russian Olympic Committee | Fencing | 2020 Summer | |
| Maria Mylona | Greece | Sailing | 1996 Summer | |
| Anthoula Mylonaki | Water polo | 2004 Summer | |
| Emmanouil Mylonakis | 2008 Summer, 2012 Summer, 2016 Summer | |
| Konstantinos Mylonas | Shooting | 1948 Summer, 1952 Summer | |
| Stig-Göran Myntti | Finland | Football | 1952 Summer | |
| Tomokazu Myojin | Japan | 2000 Summer | |
| Myong Dong-chan | North Korea | 1976 Summer | |
| Choe Myong-hui | Artistic gymnastics | 1980 Summer | |
| Kang Myong-suk [ Wikidata ] | 1980 Summer | |
| Myoung Bok-hee | South Korea | Handball | 2004 Summer | |
| Don Myrah | United States | Cycling mountain bike | 1996 Summer | |
| Isaac Myrans [ Wikidata ] | Great Britain | Boxing | 1908 Summer | |
| Bjørn Myrbakken | Norway | Ski jumping | 1994 Winter | |
| Lars Myrberg | Sweden | Boxing | 1988 Summer | |
| Zdzisław Myrda | Poland | Basketball | 1980 Summer | |
| John Myrdal | United States | Sailing | 2000 Summer | |
| Klara Myrén | Sweden | Ice hockey | 2010 Winter | |
| Ursula Myrén | Judo | 1992 Summer, 1996 Summer | |
| Rasmus Myrgren | Sailing | 2008 Summer, 2012 Summer | |
| Bjarte Myrhol | Norway | Handball | 2020 Summer | |
| Larry Myricks | United States | Athletics | 1976 Summer, 1984 Summer, 1988 Summer | |
| Roy Myrie | Costa Rica | Football | 2004 Summer | |
| Maria Myriokefalitaki [ Wikidata ] | Greece | Water polo | 2024 Summer | |
| Marit Myrmæl | Norway | Cross country skiing | 1976 Winter, 1980 Winter, 1984 Winter | |
| Magne Myrmo | 1972 Winter, 1976 Winter | |
| Valentyna Nayavka | Ukraine | Athletics | 2016 Summer | |
| Nadiya Myronyuk | Weightlifting | 2008 Summer | |
| Ruslan Myrsatayev | Kazakhstan | Boxing | 2008 Summer | |
| Gaelle Mys | Belgium | Artistic gymnastics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Georges Mys | Rowing | 1908 Summer | |
| Denis Myšák | Slovakia | Canoe sprint | 2016 Summer, 2020 Summer | |
| Cord Mysegaes | Germany | Equestrian eventing | 1992 Summer | |
| Klaus Mysen | Norway | Wrestling | 1984 Summer | |
| Anatoly Myshkin | Soviet Union | Basketball | 1976 Summer, 1980 Summer | |
| Vladimir Myshkin | Ice hockey | 1980 Winter, 1984 Winter | |
| Yury Myshkovets | Russia | Weightlifting | 2000 Summer | |
| Anastasia Myskina | Tennis | 2000 Summer, 2004 Summer | |
| Jason Myslicki | Canada | Nordic combined | 2006 Winter, 2010 Winter | |
| Jaroslav Mysliveček | Czechoslovakia | Rowing | 1936 Summer | |
| Lucie Myslivečková | Slovakia | Figure skating | 2018 Winter | |
| Andrzej Myśliwiec | Poland | Field hockey | 1980 Summer | |
| Volodymyr Myslyvčuk | Czech Republic | Athletics | 2024 Summer | |
| Elisavet Mystakidou | Greece | Taekwondo | 2004 Summer, 2008 Summer | |
| Sofia Mystrioti | Alpine skiing | 1998 Winter | |
| Piotr Myszka | Poland | Sailing | 2016 Summer, 2020 Summer | |
| Grzegorz Myszkowski | 1988 Summer | |
| Wioleta Myszor | Archery | 2024 Summer | |
| Ioli Mytilineou | Greece | Equestrian jumping | 2024 Summer | |
| Tadeusz Mytnik | Poland | Road cycling | 1976 Summer | |
| Neville Myton | Jamaica | Athletics | 1964 Summer, 1968 Summer | |
| Dmytro Mytrofanov | Ukraine | Boxing | 2016 Summer | |
| Dmytro Mytsak | Alpine skiing | 2014 Winter | |
| Devereaux Mytton | Australia | Sailing | 1956 Summer | |
| Jonni Myyrä | Finland | Athletics | 1912 Summer, 1920 Summer, 1924 Summer | |
| Kari Myyryläinen | Road cycling | 1984 Summer, 1996 Summer | |
| Dieudonné Mzatsi | Gabon | Boxing | 1984 Summer | |
| Aliaksei Mzhachyk | Belarus | Weightlifting | 2016 Summer | |
| Hassan Mzonge | Tanzania | Boxing | 1996 Summer | |
| Sarra Mzougui | Tunisia | Judo | 2024 Summer | |