| Marvel | Unisex | French Names |
| Mathieu | Man | French Names |
| Mathilde | Woman | French Names |
| Mathis | Man | French Names |
| Matilde | Woman | French Names |
| Maude | Woman | French Names |
| Maurice | Man | French Names |
| Maxence | Man | French Names |
| Maxime | Man | French Names |
| Méline | Woman | French Names |
| Mélisande | Woman | French Names |
| Melodie | Woman | French Names |
| Mélusine | Woman | French Names |
| Michel | Man | French Names |
| Micheline | Woman | French Names |
| Michelle | Woman | French Names |
| Michon | Unisex | French Names |
| Miette | Woman | French Names |
| Mignon | Woman | French Names |
| Mignonette | Woman | French Names |