2012 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Jonas Matheus | Boksen |
 Michael Mathieu | Athletiek |
 Ahmed Mathlouthi | Aquatics |
 Iwona Matkowska-Sadowska | Worstelen |
| Marcin Matkowski | Tennis |
 Erica Matos | Boksen |
 Alena Matoshka | Athletiek |
 Sibusiso Matsenjwa | Athletiek |
 Rie Matsubara | Gymnastiek |
| Takeshi Matsuda | Aquatics |
| Tomoyuki Matsuda | Schieten |
| Kaori Matsumoto | Judo |
| Yayoi Matsumoto | Aquatics |
| Ryutaro Matsumoto | Worstelen |
| Mina Matsushima | Aquatics |
| Momotaro Matsushita | Canoe/Kayak |
 Adrien Mattenet | Tafeltennis |
 Sofia Mattsson | Worstelen |
 Matti Mattsson | Aquatics |
 Nick Matuhin | Worstelen |
| Kay Matysik | Volleybal |
| Angela Maurer | Aquatics |
 Radoslava Mavrodieva | Athletiek |
 Nikolaos Mavrommatis | Schieten |
 Victoria Max-Theurer | Ruiter |