| Prue | Woman | English Names |
| Pruitt | Unisex | English Names |
| Prunella | Woman | Latin Names |
| Pryce | Man | English Names |
| Psalm | Unisex | English Names |
| Psyche | Woman | Greek Names |
| Ptah | Man | Egyptian Names |
| Ptaysanwee | Woman | Native American - Sioux Names |
| Ptolemy | Man | Greek Names |
| Pua | Woman | Hawaiian Names |
| Pualani | Woman | Hawaiian Names |
| Puanani | Woman | Hawaiian Names |
| Pugh | Unisex | Welsh Names |
| Pules | Woman | Native American - Algonquin Names |
| Puma | Unisex | Latin Names |
| Puna | Unisex | Incan Names |
| Punchau | Man | Incan Names |
| Purity | Woman | English Names |
| Purutu | Unisex | Incan Names |
| Pushmataha | Man | Native American - Choctaw Names |