| Name | Meaning | Gender | Origin |
|---|
| Ralph | Red wolf
| Male | English |
| Ralph | Red wolf
| Male | English |
| Rameesh | | Male | Hebrew |
| Ramon | Form of Raymond Guards wisely.
| Male | Catalan |
| Randolph | shield-wolf | Male | English |
| Randy | Diminutive of Randolph. House wolf: protector. Mythological wolf was esteemed for courage.
| Male | English |
| Ransom | son of the shield; redeemer | Male | English |
| Rascal | One that is playfully mischievous | Male | |
| Ratcliff | | Unisex | |
| Rayman | Form of Raymond Guards wisely.
| Male | |
| Rebel | One that resists of defies authority | Male | Word |
| Red | A primary colour resembling the colour of blood | Male | Color |
| Redmon | | Unisex | |
| Redmond | adviser | Male | Irish |
| Rembrandt | | Male | |
| Renoir | | Male | Hebrew |
| Reuben | Behold a son | Male | Hebrew |
| Revy | | Unisex | |
| Rex | after the Rex Banner character in The Simpsons cartoons | Male | Latin |
| Reza | | Unisex | |
| Rhodes | dweller by the crosses; roses | Male | Greek |
| Richard | powerful ruler; brave one | Male | |
| Rimmy | | Unisex | |
| Robin | Famed: bright: shining Form of Robert popular since the medieval days of Robin Hood. Robinson: (English) Son of Robert Famed: bright: shining. Surname.
| Male | |
| Rodolphus Lestrange | married Bellatrix Black.
| Male | |