| Miczy?ski, Kazimierz |
| Miehe, Hugo Robert Heinrich August |
| Mielke, G. |
| Migo, Hisao |
| Migula, Walter Emil Friedrich August |
| Mikosch, Carl |
| Mildbraed, Johannes |
| Mildebrath, Dorothea |
| Miliarakis, Spyridon |
| Millardet, Pierre-Marie Alexis |
| Miquel, F.A.G. |
| Miyake, Kiichi |
| Miyoshi, Manabu |
| Möbius, Martin |
| Modilewsky, J. |
| Moehrke, Luzinde |
| Moeller, Joseph |
| Möhl, Heinrich |
| Mohl, Hugo von |
| Mojsisovics von Mojsvár, August |
| Moldtmann, Heinz Gerhard |
| Molisch, Hans |
| Moll, Jan Willem |
| Möller, Alfred |