| Name | Meaning | Gender | Origin |
|---|
| Pepsi | Brand of cola soft drink. | Unisex | English |
| Perry | Foreigner, stranger | Male | Latin |
| Phantom | Something elusive. A ghost | Unisex | English |
| Phoenix | Phoenix | Male | Greek |
| Pixel | | Unisex | Hebrew |
| Pluto | Wealth, riches | Unisex | Greek |
| Pretzel | Glazed, salted and brittle biscuit in the form of a knot or stick. | Unisex | English |
| Prince | Royal son | Male | English |
| Rags | | Unisex | Hebrew |
| Randal | Shield rim | Male | Germanic |
| Rebel | One that resists of defies authority | Unisex | English |
| Regan | Regal | Male | Gaelic |
| Rider | One who rides | Male | English |
| Riley | Rye clearing | Male | English |
| Ringo | Apple, peace be with you | Male | English |
| Rocky | Battle cry | Male | Germanic |
| Rolf | Famous wolf | Male | Germanic |
| Rudy | Famous wolf | Male | Germanic |
| Rufus | Red | Male | Latin |
| Rusty | Rusty, full of rust | Unisex | American English |
| Sable | Sable (black) | Unisex | English |
| Sabre | | Unisex | Hebrew |
| Sam | He is called god | Male | Hebrew |
| Sammy | His name is God | Unisex | Hebrew |
| Samson | Sun | Male | Hebrew |
| Sandy | Defending men | Male | Greek |
| Sasha | Defending men | Unisex | Greek |
| Sassy | Lively and spirited | Unisex | English |
| Schnapps | Variety of strong liquor usually associated with Holland | Unisex | English |
| Scout | Observer | Unisex | American English |