| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Morpheus | MAWR-fee-əs (English) | Greek Mythology | ||
| Morrigan | - | Irish Mythology | ||
| Mot | - | Near Eastern Mythology | ||
| Muirenn | - | Irish, Irish Mythology | ||
| Muirgen | - | Irish, Irish Mythology | ||
| Muirne | - | Irish Mythology | ||
| Myrddin | - | Welsh Mythology | ||
| Nabu | - | Near Eastern Mythology | ||
| Naenia | - | Roman Mythology | ||
| Nairyosangha | - | Persian Mythology | ||
| Nanabozho | - | New World Mythology | ||
| Nanaea | - | Near Eastern Mythology (Latinized) | ||
| Nanaia | - | Near Eastern Mythology (Hellenized) | ||
| Nanaya | - | Near Eastern Mythology | ||
| Nanna (1) | NAN-nah (Danish), NAHN-nah (Swedish, Norwegian, Icelandic) | Danish, Swedish, Norwegian, Icelandic, Norse Mythology |