| Name | Meaning | Gender | Origin |
|---|
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Mozart | | Unisex | Hebrew |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Nell | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nelson | Son of Neal | Male | English |
| Nigel | Champion From The Irish And Scottish Niall. | Male | Gaelic |
| Nike | Victory | Female | Greek |
| Nikki | Victory of the people | Female | Greek |
| Nipper | A small boy | Unisex | English |
| Nugget | As in Chicken | Unisex | English |
| Oberon | Noble bear | Unisex | German |
| Odie | Woad hill | Unisex | English |
| Oliver | Elf army | Male | French |
| Ollie | Elf army | Male | French |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Unisex | English |
| Orion | Son Of Fire | Male | Greek |
| Oscar | Divine spear | Male | English |
| Osiris | Uncertain, perhaps throne of the eye | Unisex | Ancient Egyptian |
| Otis | One who hears well | Male | Greek |
| Otto | Wealth | Male | German |
| Owen | Well born, yew born | Male | Gaelic |
| Pandora | All gift | Female | Greek |
| Paola | Small | Female | Latin |
| Pascal | Relating to Easter | Male | Latin |
| Patsy | A patrician | Female | Latin |
| Paws | | Unisex | Hebrew |
| Paxton | Settlement of Poecc | Male | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pebbles | After the character in 'The Flintstones' cartoons | Female | English |