| 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 |
| Pride | Unisex | English Names |
| Primrose | Woman | English Names |
| Princess | Woman | English Names |
| Princeton | Man | English Names |
| Pringle | Unisex | English Names |
| Probert | Man | English Names |
| Proctor | Unisex | English Names |
| Provan | Unisex | English Names |
| Providence | Woman | English Names |