| Name | Meaning | Gender | Origin |
|---|
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Penelope | Dream weaver
| Female | Greek |
| Penny | Greek, weaver | Female | English |
| Phantom | Something elusive. A ghost | Unisex | |
| Phil | | Unisex | |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Pickles | Food flavored in a solution of vinegar | Unisex | |
| Piggy | | Unisex | |
| Pigpen | | Unisex | Hebrew |
| Pippi | lover of horses | Female | Norse |
| Pistol | | Unisex | |
| Pixie | A fairy like creature. Playful and mischievous | Female | |
| Pixie | A fairy like creature. Playful and mischievous | Female | Swedish |
| Poco | Little. | Unisex | |
| Pogo | | Unisex | |
| Pookie | | Unisex | |
| 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 |
| Portia | pig, hog or doorway | Female | Latin |
| Pounce | | Unisex | |
| Pounce De Leon | aka deLion | Unisex | |
| Powder | Substance of fine particles. Light, dry snow. | Unisex | |
| Precious | One who is beloved, a darling. | Female | Latin |
| Prince Charming | | Unisex | Hebrew |