| Name | Meaning | Gender | Origin |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Mora | Peacock | Female | Sanskrit |
| Morna | Beloved | Female | Gaelic |
| Mouse | A small rodent with a long tail and small rounded ears. | Unisex | English |
| Mozart | | Unisex | Hebrew |
| Muffin | A small cup shaped cake | Unisex | English |
| Muriel | Bright as the sea | Female | Gaelic |
| Mutley | | Unisex | Hebrew |
| Myah | Uncertain, perhaps mother or great one | Female | Greek |
| Myra | Uncertain, perhaps myrrh, unguent | Female | Latin |
| Nadia | Hope | Female | Russian |
| Nana | Grace | Unisex | Hebrew |
| Nancy | Grace | Female | Hebrew |
| Natalie | Christ's birthday | Female | Italian |
| Nathalie | Christ's birthday | Female | Italian |
| Nellie | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nepeta | | Unisex | Hebrew |
| Neptune | God of the sea | Unisex | Latin |
| Nevada | Snow-covered | Female | Spanish |
| Newt | New settlement, new enclosure | Unisex | English |
| Nibbles | | Unisex | Hebrew |
| Nichole | Victory of the people | Female | Greek |
| Nicky | Victory of the people | Unisex | Greek |
| Nikita | Unconquered, unconquerable | Female | Greek |
| Nina | Strong | Female | Latin |
| Ninja | | Unisex | Hebrew |
| Nipper | A small boy | Unisex | English |
| Nirvana | Bliss | Female | Sanskrit |
| Noelia | Day of birth | Female | Latin |
| Noelle | Day of birth | Unisex | Latin |