| Name | Meaning | Gender | Origin |
|---|
| Reyna | Peaceful, Queen | Unisex | Spanish |
| Rhett | Enthusiastic, stream.
| Male | English |
| Rhys | ardor | Male | Welsh |
| Ricardo | dominant ruler | Male | Portuguese |
| Richard | powerful ruler; brave one | Male | |
| Ricky | dominant or peaceful ruler | Male | English |
| River | | Male | |
| Robert | Famed: bright: shining. 14th-century King Robert the Bruce. Robert Burns the poet.
| Male | English |
| Rocco | rest | Male | Italian |
| Rodney | after the character in the british sitcom Only Fools And Horses | Male | English |
| Rodrigo | famous ruler | Male | Spanish |
| Roger | famous spearman, quiet | Male | |
| Roland | from the famous land | Male | |
| Roman | citizen of Rome | Male | Latin |
| Romeo | pilgrim to Rome | Male | Italian |
| Ronan | a pledge | Male | Irish |
| Ronin | Samurai without a master | Unisex | |
| Ronnie | Victorious | Unisex | English |
| Rory | aka Rors | Male | Irish |
| Ross | from the TV sitcom Friends | Male | Scottish |
| Rowan | red-haired; rugged | Male | Scottish |
| Rowen | Welsh for slender and wize | Unisex | |
| Roy | regal one, Red haired | Male | |
| Royce | son of the king | Male | English |
| Ruben | beholf of a son | Unisex | |