| Name | Meaning | Gender | Origin |
|---|
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Picasso | | Male | |
| Pickles | Food flavored in a solution of vinegar | Unisex | |
| Pinky | For Pinky Lee, the painting, and the color of her nose | Unisex | |
| Piper | Piper
| Female | English |
| Pippa | lover of horses | Female | English |
| Pippi | lover of horses | Female | Norse |
| Pixie | A fairy like creature. Playful and mischievous | Female | |
| Pixie | A fairy like creature. Playful and mischievous | Female | Swedish |
| Pocket | | Unisex | |
| Poet | | Female | Hebrew |
| Polly | Bitter
| Female | English |
| Polly | Bitter
| Female | English |
| 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 |
| Porkchop | | Unisex | Hebrew |
| Precious | One who is beloved, a darling. | Female | Latin |
| Primrose | first rose | Female | English |
| Prince | Principal one: first. The rock musician Prince.
| Male | Latin |
| Princess | Female member of a royal family | Female | Word |
| Puddin | | Unisex | |
| Puddin | | Unisex | |
| Puddin | | Unisex | |