| Möller, Erich |
| Molz, Francis John |
| Montasir, 'Abd al-Halim |
| Monteiro Filho, Honório da Costa |
| Montemartini, Gabriele Luigi |
| Monteverde, Nikolay Avgustinovitch |
| Montgomery Jr., Thomas Harrison |
| Montgomery, Edmund Duncan |
| Moore, Albert Hanford |
| Moore, Andrew Charles |
| Moore, Spencer Le Marchant |
| Moreau, M.Fernand |
| Morgan, Thomas Hunt |
| Morgenstern, Friedrich Adolf Diedrich |
| Morini, Fausto |
| Moritz, Otto |
| Morren, Charles Francois August |
| Morren, Charles Jacques Édouard |
| Müller, Eugen Anton |
| Müller, Ferdinand Jacob Heinrich Baron von |
| Müller, Georg Ferdinand Otto |
| Müller, Hans Carl |
| Müller, Heinrich |
| Müller, Hermann |