| Matvei | | maht-VYAY | Russian | |
| Matvey | | maht-VYAY | Russian | |
| Maui | | - | Hawaiian, Polynesian Mythology | |
| Maura (1) | | MOW-rah (Italian, Spanish) | Italian, Spanish, Late Roman | |
| Mauricio | | mow-REE-thyo (Spanish), mow-REE-syo (Latin American Spanish) | Spanish | |
| Mauritius | | - | Late Roman | |
| Maurizio | | mow-REE-tsyo | Italian | |
| Mauro | | MOW-ro (Italian) | Italian, Portuguese (Brazilian) | |
| Maurus | | - | Late Roman | |
| Mavuto | | mah-VOO-to | Southern African, Chewa | |
| Mawar | | - | Indonesian, Malay | |
| Max | | MAHKS (German), MAKS (English) | German, English, Swedish, Norwegian, Danish, Dutch | |
| Maxen | | - | Welsh (Anglicized) | |
| Maxentius | | - | Ancient Roman | |
| Maxim | | mahk-SEEM (Russian) | Russian, Ukrainian, Belarusian | |