| Name | Meaning | Gender | Origin |
|---|
| River | River | Unisex | English |
| Rocket | To move swiftly and powerfully | Unisex | English |
| Rogue | | Unisex | Hebrew |
| Roman | Roman | Unisex | Latin |
| Rowdy | Boisterous. Western Nickname. | Unisex | English |
| Ryder | One who rides | Unisex | English |
| Rylie | Rye clearing | Unisex | English |
| Sailor | Sailor | Unisex | English |
| Sampson | Sun | Unisex | Hebrew |
| Shaggy | Bushy and matted (hair), unkempt. | Unisex | English |
| Skyler | Guarded | Unisex | Dutch |
| Sniper | A skilled shooter who spots targets from a concealed place. | Unisex | English |
| Starbuck | Star Deer | Unisex | English |
| Tig | | Unisex | Hebrew |
| Titan | Powerful big man | Unisex | Greek |
| Toby | God is good | Unisex | Hebrew |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Twisted | | Unisex | Hebrew |
| Wild | Wild, uncontrolled | Unisex | English |