| Name | Meaning | Gender | Origin |
|---|
| Pepper | A spice or condiment. | Male | Sanskrit |
| Pepsi | Brand of cola soft drink. | Male | |
| Percy | | Male | |
| Perkins | A wizard.
| Male | |
| Perry | French form of Peter
| Male | English |
| 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 |
| Perseus | | Male | |
| Persil | | Unisex | Hebrew |
| Petal | A section of a flower | Female | Greek |
| Peter Pan | | Unisex | Hebrew |
| Petunia | trumpet-shaped flower | Female | English |
| Peyton | From The Fighter's Farm | Female | English |
| Pheobe | | Unisex | |
| Phoenix | Mystical Bird, Purple
| Male | Greek |
| Phoenix | Mystical Bird, Purple
| Male | Greek |
| Phyllis | A green branch.
| Female | Greek |
| Picasso | | Male | |
| Pickles | Food flavored in a solution of vinegar | Unisex | |
| Piero | rock | Male | Italian |
| Pierre | A rock. Form of Peter.
| Male | |
| Pig | | Unisex | Hebrew |
| Pilar | pillar | Unisex | |
| Ping | | Unisex | |
| Pinky | For Pinky Lee, the painting, and the color of her nose | Unisex | |
| Pinnochio | | Unisex | Hebrew |