| Pleasance | Woman | English Names |
| Plummer | Unisex | English Names |
| Poe | Unisex | English Names |
| Poet | Unisex | English Names |
| Polly | Woman | English Names |
| Pollyanna | Woman | English Names |
| Poole | Unisex | English Names |
| Pope | Unisex | English Names |
| Porter | Unisex | English Names |
| Posh | Unisex | English Names |
| Posy | Woman | English Names |
| Potter | Man | English Names |
| Powers | Unisex | English Names |
| Pratt | Woman | English Names |
| Prentice | Unisex | English Names |
| Prescott | Man | English Names |
| Presley | Unisex | English Names |
| Preston | Unisex | English Names |
| Prewitt | Man | English Names |
| Price | Man | English Names |