| Name | Meaning | Gender | Origin |
|---|
| Pepper | Pepper | Female | English |
| Petal | A section of a flower | Unisex | English |
| Petunia | Type of flower | Female | English |
| Pickles | Food flavored in a solution of vinegar | Unisex | English |
| Pink | Pink | Female | English |
| Pip | Lover of horses | Unisex | Greek |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Poco | Little. | Unisex | English |
| Poppy | Poppy flower | Female | English |
| Princess | Royal son | Female | English |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Queenie | Female ruler | Female | English |
| Rascal | One that is playfully mischievous | Unisex | English |
| Rose | Rose | Female | Latin |
| Rosie | Rose | Female | Latin |
| Roxy | Star | Female | Persian |
| Sadie | Princess | Female | Hebrew |
| Sammy | His name is God | Unisex | Hebrew |
| Sapphire | Beautiful jewel | Female | Greek |
| Sasha | Defending men | Unisex | Greek |
| Sassy | Lively and spirited | Unisex | English |
| Satin | Amber | Female | Armenian |
| Scamp | A mischievous youngster | Unisex | English |
| Sheba | Daughter of an oath | Female | Hebrew |
| Shelby | A place where willows grow | Female | American English |
| Shorty | Of less than average size | Unisex | English |
| Silk | | Unisex | Hebrew |
| Silky | Soft as silk. | Unisex | English |
| Simba | Lion | Female | Swahili |