| Name | Meaning | Gender | Origin |
|---|
| Ronan | a pledge | Male | Irish |
| Royce | son of the king | Male | English |
| Ruger | | Unisex | |
| Rupert | middle name: Biggles | Male | |
| Russell | Red as a fox. | Male | |
| Rusty | Covered in rust - a brownish red colour. | Unisex | |
| Ryder | cavalryman, messenger | Male | British |
| Saber | | Unisex | |
| Sawyer | woodsman | Male | English |
| Shade | | Male | |
| Shane | God is gracious | Male | Irish |
| Shooter | Waylon Jennings' Sons Name Is Shooter. | Male | User Contributed |
| Smith | blacksmith | Male | English |
| Solomon | Wise and peaceful | Male | Hebrew |
| Steel | Strong metal alloy made of iron and carbon. Hard unflinching character. | Male | Word |
| Steele | | Unisex | |
| Sterling | British money or coin. A type of silver. Of good character. genuine, valued | Male | English |
| Stetson | Cowboy Hat | Male | English |
| Steve | garland, crown | Male | English |
| Storm | Storm
| Male | Word |
| Sullivan | black-eyed one | Male | Irish |
| Tanner | leather worker | Male | English |
| Tate | to be cheerful; windy, a great talker | Male | English |
| Ted | English, wealthy guardian | Male | English |
| Thomas | Twin
| Male | Aramaic |