| Name | Meaning | Gender | Origin |
|---|
| Phineas | The Nubian | Female | English |
| Phoebe | Bright | Female | Greek |
| Pickles | Food flavored in a solution of vinegar | Unisex | English |
| Pip | Lover of horses | Unisex | Greek |
| Piper | A pipe player | Female | English |
| Pippin | Foreigner, stranger | Unisex | Latin |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Pluto | Wealth, riches | Unisex | Greek |
| Polly | Bitter | Female | Hebrew |
| Princess | Royal son | Female | English |
| Prunella | Plum | Female | Latin |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Queen | Female ruler | Unisex | English |
| Rachel | Ewe | Female | Hebrew |
| Rags | | Unisex | Hebrew |
| Rascal | One that is playfully mischievous | Unisex | English |
| Ren | Water lily | Female | Japanese |
| Rhino | | Unisex | Hebrew |
| Rocket | To move swiftly and powerfully | Unisex | English |
| Rosalyn | Weak, tender or soft horse | Female | Germanic |
| Rosie | Rose | Female | Latin |
| Roxy | Star | Female | Persian |
| Sabrina | A Welsh river name | Female | Gaelic |
| Sadie | Princess | Female | Hebrew |
| Sammy | His name is God | Unisex | Hebrew |
| Sassy | Lively and spirited | Unisex | English |
| Scooby | | Unisex | Hebrew |
| Scout | Observer | Unisex | American English |
| Shania | Beautiful | Female | Yiddish |