| Name | Meaning | Gender | Origin |
|---|
| Petra | rock, stone | Female | Greek |
| Peyton | From The Fighter's Farm | Female | English |
| Phaedra | Glowing | Female | Greek |
| Philippa | Lover of Horses. Variant of masculine Philipp.
| Female | Greek |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Piper | Piper
| Female | English |
| Pippa | lover of horses | Female | English |
| Polly | Bitter
| Female | English |
| Polly | Bitter
| Female | English |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Presley | priest's meadow | Unisex | |
| Prudence | caution | Female | |
| Prue | Prudent, Cautious | Unisex | English |
| Quincy | Fifth: derived from Roman clan name.
| Male | |
| Quinn | Intelligent
| Female | Irish |
| Ramona | Wise defender
| Female | Spanish |
| Rani | The wife of a Rajah, a queen | Male | Hebrew |
| Raquel | Innocent
| Female | Spanish |
| Ray | kingly | Male | English |
| Reese | ardor | Female | Welsh |
| Regan | little king | Female | Irish |
| Remy | Brand of French cognac | Male | |
| Rey | King
| Male | Spanish |