| Name | Meaning | Gender | Origin |
|---|
| October | eighth | Female | Latin |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Ouija | | Unisex | Hebrew |
| Paige | page to a lord | Female | English |
| Pandora | talented one | Female | Greek |
| Patience | | Female | |
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Persephone | The daughter of Demeter and Zeus who was abducted by Hades but rescued by her mother and thereafter spent six months of the year on earth and six months in the underworld.
| Female | Greek |
| Phantom | Something elusive. A ghost | Unisex | |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Piper | Piper
| Female | English |
| Pirate | | Unisex | |
| Poltergeist | | Unisex | Hebrew |
| Presley | priest's meadow | Unisex | |
| Prudence | caution | Female | |
| Prue | Prudent, Cautious | Unisex | English |
| Pugsley | | Unisex | Hebrew |
| Pumpkin Pie | | Unisex | |
| Quasimodo | | Unisex | |
| Rat | | Unisex | |
| Raven | Dark haired or wise
| Female | Word |
| Reaper | | Unisex | |
| Reese | ardor | Female | Welsh |