| Name | Meaning | Gender | Origin |
|---|
| Pixel | | Unisex | Hebrew |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Pluto | Wealth, riches | Unisex | Greek |
| Poco | Little. | Unisex | English |
| Princess | Royal son | Female | English |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Queenie | Female ruler | Female | English |
| Quimby | From the woman's estate | Unisex | English |
| Rafferty | Wielder of prosperity | Unisex | Gaelic |
| Rainbow | Rainbow | Unisex | English |
| Rania | Contented | Female | Arabic |
| Rascal | One that is playfully mischievous | Unisex | English |
| Rina | Pet form of names in -rina | Female | English |
| Robbin | Famed: Bright: Shining Form Of Robert Popular Since The Medieval Days Of Robin Hood. Robinson: (English) Son Of Robert Famed: Bright: Shining. Surname. | Unisex | English |
| Romy | Sea dew | Unisex | Latin |
| Rona | Ruler with counsel | Female | Norse |
| Rosie | Rose | Female | Latin |
| Roxie | Star | Unisex | Persian |
| Roxy | Star | Female | Persian |
| Rusty | Rusty, full of rust | Unisex | American English |
| Sadie | Princess | Female | Hebrew |
| Salem | Secure, peace | Unisex | Arabic |
| Samantha | Listener | Female | Aramaic |
| Sammy | His name is God | Unisex | Hebrew |
| Sasha | Defending men | Unisex | Greek |
| Shadow | Shadow | Unisex | English |
| Sheba | Daughter of an oath | Female | Hebrew |
| Shelby | A place where willows grow | Female | American English |
| Shilo | Gift for him | Unisex | Hebrew |