| Pelagia | | pe-LAHG-yah (Polish) | Ancient Greek, Greek, Polish | |
| Pelagios | | - | Ancient Greek | |
| Pelagius | | - | Ancient Greek (Latinized) | |
| Peleg | | - | Biblical, Biblical Hebrew, Hebrew | |
| Pemphero | | pem-PAY-ro | Southern African, Chewa | |
| Peninnah | | pi-NIN-ə (English), pee-NIN-ə (English) | Biblical | |
| Penuel | | - | Biblical, Biblical Hebrew | |
| Pepijn | | - | Dutch | |
| Perceval | | - | Arthurian Romance | |
| Percival | | PUR-si-vəl (English) | Arthurian Romance, English | |
| Pere | | - | Catalan | |
| Peredur | | pe-RE-deer (Welsh Mythology) | Welsh Mythology, Arthurian Romance | |
| Peretz | | - | Hebrew, Biblical Hebrew | |
| Perez | | - | Biblical | |
| Perica | | PE-ree-tsah | Croatian, Serbian | |