| Philomela | | - | Greek Mythology | |
| Phobos | | FO-bos (English) | Greek Mythology | |
| Phoebe | | FEE-bee (English) | English, Greek Mythology (Latinized), Biblical, Biblical Latin | |
| Phoebus | | - | Greek Mythology (Latinized) | |
| Phoibe | | - | Greek Mythology, Ancient Greek, Biblical Greek | |
| Phoibos | | - | Greek Mythology, Ancient Greek | |
| Phrixos | | - | Greek Mythology | |
| Phrixus | | - | Greek Mythology (Latinized) | |
| Phyllis | | FIL-is (English) | Greek Mythology, English, German | |
| Pistis | | - | Greek Mythology | |
| Plouton | | - | Greek Mythology | |
| Pluto | | PLOO-to (English) | Greek Mythology (Latinized), Roman Mythology | |
| Polydeukes | | - | Greek Mythology | |
| Polyhymnia | | - | Greek Mythology (Latinized) | |
| Polymnia | | - | Greek Mythology | |