| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| MiklÓS | MEEK-losh | Hungarian | ||
| Miksa | - | Hungarian | ||
| MilÁN | - | Hungarian | ||
| MilÉNa | - | Hungarian | ||
| Milda | - | Lithuanian, Baltic Mythology | ||
| Mindaugas | - | Lithuanian | ||
| Misi | - | Hungarian | ||
| 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 |