| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Miska | MEES-kah (Finnish) | Hungarian, Finnish | ||
| Modestas | - | Lithuanian | ||
| Modred | - | Welsh Mythology, Arthurian Romance | ||
| Monika | MO-ni-kah (German), maw-NEE-kah (Polish) | German, Swedish, Norwegian, Danish, Czech, Slovak, Polish, Slovene, Croatian, Lithuanian, Latvian | ||
| Mordred | - | Welsh Mythology, Arthurian Romance | ||
| Morgaine | - | Arthurian Romance | ||
| Morgan (2) | - | Arthurian Romance | ||
| Morgen | - | Arthurian Romance | ||
| Morta | - | Lithuanian | ||
| Moysei | - | Old Church Slavic | ||
| Muhemmet | - | Uyghur | ||
| Mykolas | - | Lithuanian | ||
| NÁNdor | - | Hungarian | ||
| NÓRa | - | Hungarian, Irish | ||
| Naira | - | Native American, Quechua, Aymara |