| Name | Meaning | Gender | Origin |
|---|
| Pisa | | Unisex | Hebrew |
| Radcliffe | Residence Name | Unisex | |
| Ramiro | Judicious
| Male | Portuguese |
| Red | A primary colour resembling the colour of blood | Male | Color |
| Reggie | counsel power | Male | English |
| Remy | Brand of French cognac | Male | |
| Rex | after the Rex Banner character in The Simpsons cartoons | Male | Latin |
| Ricardo | dominant ruler | Male | Portuguese |
| Robert | Famed: bright: shining. 14th-century King Robert the Bruce. Robert Burns the poet.
| Male | English |
| Robyn | | Unisex | |
| Rock | Italian from German, rest | Male | English |
| Roger | famous spearman, quiet | Male | |
| Roman | citizen of Rome | Male | Latin |
| Ronnie | Victorious | Unisex | English |
| Rufus | Red haired | Male | Latin |
| Russell | Red as a fox. | Male | |
| Sabby | | Unisex | Hebrew |
| Sami | All hearing
| Male | English |
| Samuel | his name is God | Male | Hebrew |
| Sanders | Alexander's son
| Male | |
| Sandy | Abbreviation of Alexander defender of man.
| Male | Scottish |
| Scorpio | scorpion | Male | Latin |
| Sebastian | An august person | Male | Latin |
| Seneca | people of the standing rock | Male | Latin |
| Shaun | Irish variation of John, God is gracious | Male | Spelling |