| Name | Meaning | Gender | Origin |
|---|
| Missy | Bee | Female | Greek |
| Mohini | Charming | Female | Sanskrit |
| Monster | A creature of frightening appearance | Unisex | English |
| Moo | | Unisex | Hebrew |
| Mutley | | Unisex | Hebrew |
| Nana | Grace | Unisex | Hebrew |
| Nani | Beauty; Splendor | Female | English |
| Nanook | Polar bear | Unisex | Native American |
| Nibbler | | Unisex | Hebrew |
| Nibbles | | Unisex | Hebrew |
| Nikki | Victory of the people | Female | Greek |
| Ninja | | Unisex | Hebrew |
| Nugget | As in Chicken | Unisex | English |
| Odie | Woad hill | Unisex | English |
| Patches | | Unisex | Hebrew |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pebbles | After the character in 'The Flintstones' cartoons | Female | English |
| Peggy | Pearl | Female | Greek |
| Penelope | Weaver | Female | Greek |
| Peppy | | Unisex | Hebrew |
| Pepsi | Brand of cola soft drink. | Unisex | English |
| Perdita | Lost | Female | Latin |
| Periwinkle | | Unisex | Hebrew |
| Phantom | Something elusive. A ghost | Unisex | English |
| Pickles | Food flavored in a solution of vinegar | Unisex | English |
| Piglet | | Unisex | Hebrew |
| Pinky | For Pinky Lee, the painting, and the color of her nose | Unisex | English |
| Piper | A pipe player | Female | English |
| Pluto | Wealth, riches | Unisex | Greek |
| Poison | A destructive or fatal substance. | Unisex | English |