| Name | Meaning | Gender | Origin |
|---|
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pearl | Pearl | Female | English |
| Peggy | Pearl | Female | Greek |
| Phoebe | Bright | Female | Greek |
| Pippin | Foreigner, stranger | Unisex | Latin |
| Popcorn | Corn that when heated forms white edible puffs. | Unisex | English |
| Poppy | Poppy flower | Female | English |
| Princess | Royal son | Female | English |
| Puddin | | Unisex | Hebrew |
| Rascal | One that is playfully mischievous | Unisex | English |
| Rita | Pearl | Female | Greek |
| Rona | Ruler with counsel | Female | Norse |
| Rose | Rose | Female | Latin |
| Rowena | White Or Comely | Female | English |
| Roxy | Star | Female | Persian |
| Ruby | Red | Female | Latin |
| Sable | Sable (black) | Unisex | English |
| Sabrina | A Welsh river name | Female | Gaelic |
| Sadie | Princess | Female | Hebrew |
| Saffron | From the spice or the colour, yellow | Female | English |
| Sage | Aromatic herb | Unisex | English |
| Salena | Moon | Female | Greek |
| Sammy | His name is God | Unisex | Hebrew |
| Sassy | Lively and spirited | Unisex | English |
| Savanna | Plateau | Female | Spanish |
| Scarlett | Scarlet | Female | English |
| Selena | Moon | Female | Greek |
| Shadow | Shadow | Unisex | English |
| Shasta | Name of a Native American tribe | Female | Native American |
| Sheba | Daughter of an oath | Female | Hebrew |