| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Matas | - | Lithuanian | ||
| Matild | - | Hungarian | ||
| Matthei | - | Old Church Slavic | ||
| Matthia | - | Old Church Slavic | ||
| Medraut | - | Welsh Mythology, Arthurian Romance | ||
| Medrod | - | Welsh Mythology, Arthurian Romance | ||
| Mehmut | - | Uyghur | ||
| MelÁNia | - | Hungarian, Slovak | ||
| Melanija | - | Serbian, Macedonian, Slovene, Latvian, Lithuanian | ||
| MercÉDesz | - | Hungarian | ||
| Merlin | MUR-lin (English) | Arthurian Romance, English | ||
| Meryem | - | Turkish, Uyghur | ||
| MiglĖ | - | Lithuanian | ||
| MihÁLy | MEE-hie | Hungarian | ||
| Mikhailu | - | Old Church Slavic |