| Name | Meaning | Gender | Origin |
|---|
| Morris | Moor | Male | Latin |
| Moses | Drawn out of the water | Male | Hebrew |
| Mutley | | Unisex | Hebrew |
| Nana | Grace | Unisex | Hebrew |
| Nanook | Polar bear | Unisex | Native American |
| Nibbler | | Unisex | Hebrew |
| Nibbles | | Unisex | Hebrew |
| Ninja | | Unisex | Hebrew |
| Nugget | As in Chicken | Unisex | English |
| Obelix | Pillar of strength | Male | English |
| Odie | Woad hill | Unisex | English |
| Otis | One who hears well | Male | Greek |
| Patches | | Unisex | Hebrew |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Peppy | | Unisex | Hebrew |
| Pepsi | Brand of cola soft drink. | Unisex | English |
| 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 |
| Pluto | Wealth, riches | Unisex | Greek |
| Poison | A destructive or fatal substance. | Unisex | English |
| Pokey | | Unisex | Hebrew |
| Pongo | One who smells. | Unisex | English |
| Pookie | | Unisex | Hebrew |
| Popeye | | Unisex | Hebrew |
| Porkchop | | Unisex | Hebrew |
| Porter | One who carries goods | Male | Latin |
| Psycho | | Unisex | Hebrew |