| Pelagios | | - | Ancient Greek | |
| Pelagius | | - | Ancient Greek (Latinized) | |
| Penelope | | pə-NEL-ə-pee (English) | Greek Mythology, English | |
| Pericles | | PER-i-kleez (English) | Ancient Greek (Latinized) | |
| Perikles | | - | Ancient Greek | |
| Periklis | | - | Greek | |
| Persefoni | | - | Greek | |
| Persephone | | pər-SEF-ə-nee (English) | Greek Mythology | |
| Perseus | | PUR-see-əs (English) | Greek Mythology | |
| Persis | | - | Biblical, Biblical Greek | |
| Petros | | - | Greek, Armenian, Biblical Greek | |
| Phaedra | | - | Greek Mythology (Latinized) | |
| Phaedrus | | - | Ancient Greek (Latinized) | |
| Phaenna | | - | Greek Mythology | |
| Phaidra | | - | Greek Mythology | |