| Name | Meaning | Gender | Origin |
|---|
| Peaches | Red, yellow skinned fleshy fruit | Unisex | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pearl | Pearl | Female | English |
| Pebbles | After the character in 'The Flintstones' cartoons | Female | English |
| Peewee | | Unisex | Hebrew |
| Penelope | Weaver | Female | Greek |
| Penny | Weaver | Female | Greek |
| Pepe | He will enlarge | Unisex | Hebrew |
| Pepper | Pepper | Female | English |
| Pepsi | Brand of cola soft drink. | Unisex | English |
| Phantom | Something elusive. A ghost | Unisex | English |
| Phoebe | Bright | Female | Greek |
| Pierre | Stone | Male | Greek |
| Pinky | For Pinky Lee, the painting, and the color of her nose | Unisex | English |
| Pip | Lover of horses | Unisex | Greek |
| Piper | A pipe player | Female | English |
| Pipsqueak | | Unisex | Hebrew |
| Pixel | | Unisex | Hebrew |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Plato | Liberal | Male | Greek |
| Pockets | | Unisex | Hebrew |
| Poco | Little. | Unisex | English |
| Pogo | | Unisex | Hebrew |
| Polly | Bitter | Female | Hebrew |
| Pookie | | Unisex | Hebrew |
| Poopsie | | Unisex | Hebrew |
| Popcorn | Corn that when heated forms white edible puffs. | Unisex | English |
| Popeye | | Unisex | Hebrew |
| Porkchop | | Unisex | Hebrew |
| Portia | Pig | Female | Latin |