| Pelagia | Dweller By The Sea | Female |
| Penelope | Myth Name (Faithful Wife Of Odysseus) | Female |
| Penn | From The Enclosure | Male |
| Peregrine | The Peregrine Falcon Is The Bird Most Favored In The Ancient Sport Of Falconry. | Male |
| Perth | From The Thorn-Bush Thicket | Male |
| Peter | Rock | Male |
| Petra | Rock | Female |
| Petunia | Flower Name | Female |
| Phaedra | Myth Name (Daughter Of Minos) | Female |
| Philana | Lover Of Man | Female |
| Philip | Loves Horses | Male |
| Philomena | Greatly Loved | Female |
| Phoebe | Myth Name (Mother Of Leto) | Female |
| Phyllis | A Green Branch. | Female |
| Pierce | Rock | Male |
| Pirro | Red Haired | Male |
| Placido | Tranquil | Male |
| Plato | Broad | Male |
| Pollux | Myth Name (Brother Of Helen) | Male |
| Poppy | Flower | Female |
| Prewitt | Brave | Male |
| Prince | Principal One: First. The Rock Musician Prince. | Male |
| Priscilla | | Female |
| Priyanka | Beloved | Female |
| Prunella | Color Of Plum | Female |