| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Pax | - | Roman Mythology | ||
| Pluto | PLOO-to (English) | Greek Mythology (Latinized), Roman Mythology | ||
| Pollux | PAHL-uks (English) | Roman Mythology | ||
| Pomona | - | Roman Mythology | ||
| Proserpina | - | Roman Mythology | ||
| Proserpine | - | Roman Mythology |