| Praxis | | - | Greek Mythology | |
| Priam | | PRIE-əm (English) | Greek Mythology (Anglicized) | |
| Priamos | | - | Greek Mythology | |
| Prometheus | | prə-MEE-thee-əs (English) | Greek Mythology | |
| Proserpina | | - | Roman Mythology | |
| Proserpine | | - | Roman Mythology | |
| Proteus | | - | Greek Mythology | |
| Pryderi | | - | Welsh, Welsh Mythology | |
| Psyche | | SIE-kee (English) | Greek Mythology | |
| Ptah | | PTAH, PTAHKH | Egyptian Mythology | |
| Puck | | PUK (English) | Anglo-Saxon Mythology, Dutch | |
| Pwyll | | - | Welsh Mythology | |
| Pyrrhos | | - | Greek Mythology, Ancient Greek | |
| Pyrrhus | | PIR-əs (English) | Greek Mythology (Latinized), Ancient Greek (Latinized) | |
| Pythios | | - | Greek Mythology | |