| Name | Meaning | Gender | Origin |
|---|
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Mr. | | Unisex | Hebrew |
| Mutley | | Unisex | Hebrew |
| Myrtle | Myrtle | Female | English |
| Nanook | Polar bear | Unisex | Native American |
| Napoleon | Sons of the mist, a race of dwarves | Male | Germanic |
| Nermal | | Unisex | Hebrew |
| Neville | New town | Male | French |
| Nigel | Champion From The Irish And Scottish Niall. | Male | Gaelic |
| Nova | New | Female | Latin |
| Nugget | As in Chicken | Unisex | English |
| Olga | Holy | Female | German |
| Orange | Orange | Unisex | English |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Unisex | English |
| Orion | Son Of Fire | Male | Greek |
| Orville | Gold town | Male | French |
| Otis | One who hears well | Male | Greek |
| Otto | Wealth | Male | German |
| Pabst | | Unisex | Hebrew |
| Panda | A bear like Chinese mammal, with distinct black and white markings | Unisex | English |
| Pandora | All gift | Female | Greek |
| Paws | | Unisex | Hebrew |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pebbles | After the character in 'The Flintstones' cartoons | Female | English |
| Petunia | Type of flower | Female | English |
| Pickles | Food flavored in a solution of vinegar | Unisex | English |
| Pig | | Unisex | Hebrew |
| Piglet | | Unisex | Hebrew |
| Pippa | Lover of horses | Female | Greek |
| Poo | | Unisex | Hebrew |