| Name | Meaning | Gender | Origin |
|---|
| Reese | ardor | Female | Welsh |
| Reginald | powerful one | Male | English |
| Remington | from the raven's home | Male | English |
| Rex | after the Rex Banner character in The Simpsons cartoons | Male | Latin |
| Richard | powerful ruler; brave one | Male | |
| Richelle | powerful ruler; brave one | Unisex | |
| Rider | horseman | Male | English |
| Rigby | Lives in the ruler
| Male | English |
| Ripley | after the novel and the movie The Talented Mr. Ripley | Male | English |
| Robert | Famed: bright: shining. 14th-century King Robert the Bruce. Robert Burns the poet.
| Male | English |
| Rochester | rock fortress | Male | English |
| Rodman | Famous hero. | Male | |
| Rodney | after the character in the british sitcom Only Fools And Horses | Male | English |
| Roger | famous spearman, quiet | Male | |
| Rogers | | Unisex | |
| Roland | from the famous land | Male | |
| Roman | citizen of Rome | Male | Latin |
| Rose | Flower
| Female | Latin |
| Rowan | red-haired; rugged | Male | Scottish |
| Rowena | White haired
| Female | Welsh |
| Roy | regal one, Red haired | Male | |
| Royce | son of the king | Male | English |
| Rudolph | wolf | Male | |
| Rudyard | from the red gate | Male | English |
| Rupert | middle name: Biggles | Male | |