| Name | Meaning | Gender | Origin |
| Pekelo | Stone | M | Hawaiian |
| Pelagia | Sea | F | Greek |
| Pelham | Town of Fur Skin | E | English |
| Pell | parchment | M | English |
| Pello | Stone | M | Greek/ Basque |
| Pelton | town by a pool | M | English |
| Pembroke | A Broken Hill | E | English |
| Penda | Loved | F | Slavic |
| Penelope | Dream Weaver | F | Greek |
| Penha | Beloved | E | Swahili |
| Penley | enclosed meadow | M | English |
| Penn | Corral | E | English |
| Penney | Silent Worker (from Penelope) | F | Greek |
| Pennie | Silent Worker (From Penelope) | F | Greek |
| Penny | Silent Worker (From Penelope) | F | Greek |
| Peony | Physician of the Gods | F | Greek |
| Pepin | Determined | M | German |
| Pepper | From the Pepper Plant | F | American |
| Percival | Piercing the Valley | M | French |
| Percy | Piercing the Valley | M | French |
| Perdita | Lost Woman | F | Latin |
| Perdy | From PERDITA | F | Latin |
| Peregrine | Wanderer | E | Latin |
| Peri | Lives in the Mountains | F | Greek |
| Perkin | little Peter | M | English |
| Pernella | rock | F | Greek/ French |
| Perrin | Traveler | E | Latin |
| Perry | Rock | M | English |
| Persephone | Daughter of Demetra | F | Greek |
| Pervis | passage | M | Latin |
| Pesach | spared | M | Hebrew |
| Peta | Golden Eagle | F | Native American |
| Pete | Rock | M | Greek |
| Peter | A Rock | M | Greek |
| Petra | Small rock | F | Greek |
| Petronella | Stone | F | Latin |
| Petula | Impatient | F | Latin |
| Petunia | Of the Petunia Flower | F | English |
| Peyton | Village of the Warrior | E | English |
| Phaedra | Glowing | F | Greek |
| Phailin | Sapphire | F | Thai |
| Pharaoh | ruler | M | Latin |
| Phelan | wolf | M | Irish |
| Phelps | son of Phillip | M | English |
| Phenyo | Victory | F | African |
| Phiala | Irish Saint | F | Celtic/Gaelic |
| Phil | Lover of horses | M | Greek |
| Phila | Love | F | Greek |
| Philana | Lover of Mankind | F | Greek |
| Philander | Lover of Mankind | M | Greek |