| Percy | Man | English Names |
| Perdy | Woman | English Names |
| Peri | Woman | English Names |
| Periwinkle | Woman | English Names |
| Perkins | Unisex | English Names |
| Perry | Man | English Names |
| Petunia | Woman | English Names |
| Peyton | Unisex | English Names |
| Phelps | Unisex | English Names |
| Phyllida | Woman | English Names |
| Pierce | Unisex | English Names |
| Piers | Man | English Names |
| Pike | Unisex | English Names |
| Pilot | Unisex | English Names |
| Piper | Unisex | English Names |
| Piperel | Unisex | English Names |
| Pippa | Woman | English Names |
| Pirate | Unisex | English Names |
| Pixie | Woman | English Names |
| Platt | Man | English Names |