| Medraut | | - | Welsh Mythology, Arthurian Romance | |
| Medrod | | - | Welsh Mythology, Arthurian Romance | |
| Mees | | MAY:S | Dutch | |
| Mefodiy | | - | Russian (Archaic) | |
| Meginfrid | | - | Ancient Germanic | |
| Meginhard | | - | Ancient Germanic | |
| Meginrat | | - | Ancient Germanic | |
| Meheitav'el | | - | Biblical Hebrew | |
| Mehetabel | | mi-HET-ə-bel (English), mee-HET-ə-bel (English) | Biblical | |
| Mehitabel | | mi-HIT-ə-bel (English), mee-HIT-ə-bel (English) | Biblical | |
| Mei (1) | | - | Chinese | |
| Meike | | MIE-kə | German, Dutch | |
| Meindert | | - | Dutch | |
| Meine | | MIE-nə (Dutch, German) | Frisian, Dutch, German | |
| Meino | | MIE-no (German, Dutch) | German, Dutch, Ancient Germanic | |