| MÄDchen | | - | Various | |
| Magomed | | - | Dagestani, Chechen, Ingush | |
| Magomet | | - | Dagestani, Chechen, Ingush | |
| Makar | | - | Russian | |
| Makari | | - | Russian (Archaic) | |
| Makariy | | - | Russian (Archaic) | |
| Maks | | MAHKS | Russian | |
| Maksim | | mahk-SEEM (Russian) | Russian, Belarusian, Macedonian, Ukrainian | |
| Maksimilian | | - | Russian | |
| Manya | | - | Russian | |
| Marfa | | - | Russian | |
| Margarita | | mahr-gah-REE-tah (Spanish, Russian) | Spanish, Russian, Bulgarian, Lithuanian, Late Roman | |
| Marina | | mah-REE-nah (Italian, Spanish, German, Russian), mə-REEN-ə (English) | Italian, Spanish, Portuguese, German, Swedish, Norwegian, Danish, Dutch, English, Greek, Russian, Uk | |
| Mariya | | mah-REE-yah (Russian) | Russian, Ukrainian, Bulgarian | |
| Mark | | MAHRK (English, Russian) | English, Russian, Dutch, Swedish, Norwegian, Danish, Biblical | |