| Name | Meaning | Gender | Origin |
|---|
| Ray | kingly | Male | English |
| Rayburn | from the deer stream | Male | English |
| Red | A primary colour resembling the colour of blood | Male | Color |
| Remington | from the raven's home | Male | English |
| Remy | Brand of French cognac | Male | |
| Reno | Reborn | Male | English |
| Rex | after the Rex Banner character in The Simpsons cartoons | Male | Latin |
| Rhett | Enthusiastic, stream.
| Male | English |
| Ringo | apple, peace be with you | Male | English |
| River | | Male | |
| Rocky | rest | Male | English |
| Rodeo | | Unisex | Hebrew |
| Roland | from the famous land | Male | |
| Rooster | | Unisex | |
| Rory | aka Rors | Male | Irish |
| Roscoe | From the deer forest. | Male | Norse |
| Ross | from the TV sitcom Friends | Male | Scottish |
| Rowdy | A rough disorderly person. | Male | American |
| Roy | regal one, Red haired | Male | |
| Royce | son of the king | Male | English |
| Rudy | From Rudolph - Famous wolf | Male | |
| Rufus | Red haired | Male | Latin |
| Russell | Red as a fox. | Male | |
| Rusty | Covered in rust - a brownish red colour. | Unisex | |
| Ryder | cavalryman, messenger | Male | British |