| Name | Meaning | Gender | Origin |
|---|
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Poco | Little. | Unisex | English |
| Popcorn | Corn that when heated forms white edible puffs. | Unisex | English |
| Poppy | Poppy flower | Female | English |
| Precious | Loved | Female | English |
| Pretzel | Glazed, salted and brittle biscuit in the form of a knot or stick. | Unisex | English |
| Princess | Royal son | Female | English |
| Prongs | | Unisex | Hebrew |
| 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 |
| Rina | Pet form of names in -rina | Female | English |
| Rockie | | Unisex | Hebrew |
| Rolando | Famous country | Female | Germanic |
| Rolo | Burmese | Unisex | English |
| Romy | Sea dew | Unisex | Latin |
| Rose | Rose | Female | Latin |
| Rosie | Rose | Female | Latin |
| Roxie | Star | Unisex | Persian |
| Roxy | Star | Female | Persian |
| Ruby | Red | Female | Latin |
| Rusty | Rusty, full of rust | Unisex | American English |
| Sadie | Princess | Female | Hebrew |
| Salome | Tranquil | Female | English |
| Samantha | Listener | Female | Aramaic |
| Sammy | His name is God | Unisex | Hebrew |
| Sasha | Defending men | Unisex | Greek |
| Sassy | Lively and spirited | Unisex | English |
| Sausage | Chopped meat stuffed into a prepared casing and cooked. | Unisex | English |