Olimpiadas de Verano 2020 - Deportistas
| Deportista | Deporte |
|---|---|
 Adel Mechaal | Atletismo |
 Drew Mechielsen | Ciclismo |
 Lara Mechnig | Aquatics |
 Etiene Medeiros | Aquatics |
 Rebecca Meder | Aquatics |
| Gabriel Medina | Surf |
 Anabel Medina | Atletismo |
| Deborah Medrado | Gimnasia |
 Erika Medveczky | Canoe/Kayak |
 Daniil Medvedev | Tenis |
 Daniel Meech | Ecuestre |
| Sam Meech | Vela |
| Molly Meech | Vela |
 Veronique Meester | Remo |
 Bryce Mefford | Aquatics |
 Filippo Megli | Aquatics |
 Alexander Megos | Escalada Deportiva |
 Azmy Mehelba | Tiro |
| Abdel Aziz Mehelba | Tiro |
 Huang Mei Chien | Aquatics |
| Christoph Meier | Aquatics |
 Michaela Meijer | Atletismo |
 Meiling | |
| Derrick Mein | Tiro |
 Nikola Mektic | Tenis |