| Ploutarchos | | - | Ancient Greek | |
| Pluto | | PLOO-to (English) | Greek Mythology (Latinized), Roman Mythology | |
| Pocahontas | | - | History, Native American, Algonquin | |
| Poghos | | - | Armenian | |
| Pol | | - | Catalan | |
| Poldi | | - | German | |
| Polina | | pah-LEE-nah (Russian) | Russian, Ukrainian, Bulgarian | |
| Pollux | | PAHL-uks (English) | Roman Mythology | |
| Pollyanna | | pahl-ee-AN-ə (English) | Literature | |
| Polya | | - | Bulgarian | |
| Polycarp | | PAHL-ee-kahrp (English) | Ancient Greek (Anglicized) | |
| Polyhymnia | | - | Greek Mythology (Latinized) | |
| Polykarpos | | - | Ancient Greek | |
| Polyxena | | - | Greek Mythology (Latinized) | |
| Pomona | | - | Roman Mythology | |