| Marie-Victorin, Frère |
| Märkert, Martha |
| Marklund, Gunnar |
| Markowski, Alfred |
| Marktanner-Turneretscher, Gottlieb |
| Marschall, Max Alfred |
| Marshall, Rush P. |
| Martins, Charles Frédéric |
| Martius, Götz |
| Marzell, Heinrich |
| Masamune, Genkei |
| Massalongo, Caro Benigno |
| Mathiszig, Horst |
| Matthies, Herbert Ferdinand Heinrich Karl |
| Mattirolo, Oreste |
| Maxon, William Ralph |
| Mayer, Adolf |
| Mayer, Erna |
| Mayer, Eugen |
| Mayer, Paul |
| Mayr, Gustav |
| Mayr, Heinrich |
| Maziarski, Stanisław |
| McClung, Clarence Erwin |