| Name | Meaning | Gender | Origin |
|---|
| Paz | Peace | Unisex | English |
| Peaches | Red, yellow skinned fleshy fruit | Unisex | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pedro | Stone | Male | Greek |
| Peewee | | Unisex | Hebrew |
| Pepe | He will enlarge | Unisex | Hebrew |
| Peppy | | Unisex | Hebrew |
| Picasso | | Unisex | Hebrew |
| Pico | | Unisex | Hebrew |
| Pierre | Stone | Male | Greek |
| Pinky | For Pinky Lee, the painting, and the color of her nose | Unisex | English |
| Pipsqueak | | Unisex | Hebrew |
| Pixel | | Unisex | Hebrew |
| Placido | Untroubled | Male | Latin |
| Poco | Little. | Unisex | English |
| Popcorn | Corn that when heated forms white edible puffs. | Unisex | English |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Quimby | From the woman's estate | Unisex | English |
| Raisin | | Unisex | Hebrew |
| Rascal | One that is playfully mischievous | Unisex | English |
| Raul | Wolf council | Male | Germanic |
| Rico | Strong power | Male | French |
| Samson | Sun | Male | Hebrew |
| Sandy | Defending men | Male | Greek |
| Santiago | Saint James | Male | Spanish |
| Sasha | Defending men | Unisex | Greek |
| Sassy | Lively and spirited | Unisex | English |
| Scooby | | Unisex | Hebrew |
| Serge | Servant | Male | Latin |
| Shorty | Of less than average size | Unisex | English |