| Name | Meaning | Gender | Origin |
|---|
| Possum | Nocturnal marsupial with a thick coat of hair, long nose and long tail | Male | |
| Psycho | | Male | |
| Punkin | | Unisex | |
| Rage | | Unisex | Hebrew |
| Raleigh | dweller by the deer meadow | Male | English |
| Randy | Diminutive of Randolph. House wolf: protector. Mythological wolf was esteemed for courage.
| Male | English |
| Rascal | One that is playfully mischievous | Male | |
| Ray | kingly | Male | English |
| Razor | A sharp-edged cutting instrument used to remove hair. | Unisex | |
| Rebel | One that resists of defies authority | Male | Word |
| Redneck | | Male | Hebrew |
| Remington | from the raven's home | Male | English |
| Rhett | Enthusiastic, stream.
| Male | English |
| Rhianna | Great queen, goddess, nymph | Unisex | Welsh |
| Ricky | dominant or peaceful ruler | Male | English |
| Ripper | | Unisex | |
| Roach | | Unisex | Hebrew |
| Roadkill | | Unisex | Hebrew |
| Robbie | Abbreviation of Robert Famed: bright: shining.
| Male | |
| Rocky | rest | Male | English |
| Roger | famous spearman, quiet | Male | |
| Ronnie | Victorious | Unisex | English |
| Rory | aka Rors | Male | Irish |
| Roscoe | From the deer forest. | Male | Norse |
| Rowan | red-haired; rugged | Male | Scottish |