| Pixel | Unisex | American Names |
| Pixie | Woman | English Names |
| Pizi | Unisex | Native American - Sioux Names |
| Placido | Man | Latin Names |
| Plamen | Man | Bulgarian Names |
| Plata | Woman | Spanish Names |
| Plato | Man | Greek Names |
| Platon | Man | Russian Names |
| Platt | Man | English Names |
| Plautilla | Woman | Latin Names |
| Pleasance | Woman | English Names |
| Pleuntje | Woman | Dutch Names |
| Plumeria | Woman | Latin Names |
| Plummer | Unisex | English Names |
| Pluto | Unisex | Latin Names |
| Pocahontas | Woman | Native American - Powhatan Names |
| Pochanaw | Man | Native American - Comanche Names |
| Poe | Unisex | English Names |
| Poet | Unisex | English Names |
| Pokii | Woman | Hawaiian Names |