| Name | Meaning | Gender | Origin |
|---|
| Nipper | A small boy | Unisex | English |
| Noel | Christmas | Male | English |
| Nova | New | Female | Latin |
| Nugget | As in Chicken | Unisex | English |
| Nutmeg | | Unisex | Hebrew |
| Odie | Woad hill | Unisex | English |
| Olive | Olive | Female | English |
| Omega | Great | Female | English |
| Opal | Jewel, gem | Female | Sanskrit |
| Oscar | Divine spear | Male | English |
| Pandora | All gift | Female | Greek |
| Papillon | Butterfly | Female | English |
| Pax | Peace | Unisex | Latin |
| Peaches | Red, yellow skinned fleshy fruit | Unisex | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pearl | Pearl | Female | English |
| Pebbles | After the character in 'The Flintstones' cartoons | Female | English |
| Peewee | | Unisex | Hebrew |
| Penny | Weaver | Female | Greek |
| Pepper | Pepper | Female | English |
| Petey | Stone | Unisex | Greek |
| Phoebe | Bright | Female | Greek |
| Piccolo | | Unisex | Hebrew |
| Pickles | Food flavored in a solution of vinegar | Unisex | English |
| Pico | | Unisex | Hebrew |
| Piper | A pipe player | Female | English |
| Pippin | Foreigner, stranger | Unisex | Latin |
| Pipsqueak | | Unisex | Hebrew |
| Pixel | | Unisex | Hebrew |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |