| Name | Meaning | Gender | Origin |
|---|
| Moses | saved; child; taken from water | Male | Egyptian |
| Mouse | A small rodent with a long tail and small rounded ears. | Unisex | |
| Mr. Kitty | | Unisex | Hebrew |
| Mufasa | from The Lion King | Unisex | |
| Muffin | A small cup shaped cake | Unisex | |
| Munchie | | Unisex | Hebrew |
| Munchkin | A very small elflike person. | Unisex | |
| Murphy | Sea warrior | Male | Irish |
| Mylo | | Unisex | |
| Nala | African for love, after the character in the Lion King movies | Female | African |
| Natasha | birthday of the Lord | Female | Russian |
| Neko | Japanese for 'cat' | Unisex | |
| Nemo | from the glen | Male | Greek |
| Nibbles | | Unisex | |
| Nicholas | victorious people | Male | Greek |
| Nietzsche | | Unisex | Hebrew |
| Nikki | Victorious People | Unisex | English |
| Niko | victory of the people | Male | Greek |
| Ninja | | Male | |
| Noodle | A narrow ribbon-like strip of dough | Unisex | |
| Nugget | as in Chicken | Unisex | |
| Nutmeg | | Male | |
| Nyx | Greek goddess of night | Female | Greek |
| Odie | Melody | Unisex | French |
| Odin | Viking mythology: the allmighty god | Male | Old |