| Name | Meaning | Gender | Origin |
|---|
| Roscoe | From the deer forest. | Male | Norse |
| Ross | from the TV sitcom Friends | Male | Scottish |
| Rowan | red-haired; rugged | Male | Scottish |
| Roy | regal one, Red haired | Male | |
| Royal | kingly, royal | Male | |
| Rudy | From Rudolph - Famous wolf | Male | |
| Russell | Red as a fox. | Male | |
| Rusty | Covered in rust - a brownish red colour. | Unisex | |
| Sacha | helper and defender of mankind | Male | |
| Sam | to hear | Male | English |
| Sami | All hearing
| Male | English |
| Sandy | Abbreviation of Alexander defender of man.
| Male | Scottish |
| Scott | from Scotland | Male | English |
| Sean | God's grace | Male | Irish |
| Sebastian | An august person | Male | Latin |
| Seth | The appointed by God | Male | Hebrew |
| Shane | God is gracious | Male | Irish |
| Shaun | Irish variation of John, God is gracious | Male | Spelling |
| Shawn | God is gracious | Male | Spelling |
| Shelley | clearing on a bank | Male | English |
| Sid | | Unisex | |
| Simon | he who hears | Male | Hebrew |
| Sinbad | | Male | |
| Skip | From Skipper, Meaning Shipmaster | Unisex | English |
| Slim | Slender in proportion to height. | Unisex | |