| Name | Meaning | Gender | Origin |
|---|
| Shadow | Shadow | Unisex | English |
| Shady | | Unisex | Hebrew |
| Shae | Supplanter | Unisex | Hebrew |
| Shaggy | Bushy and matted (hair), unkempt. | Unisex | English |
| Shaka | | Unisex | Hebrew |
| Shark | | Unisex | Hebrew |
| Slash | | Unisex | Hebrew |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Unisex | English |
| Snake | | Unisex | Hebrew |
| Sniper | A skilled shooter who spots targets from a concealed place. | Unisex | English |
| Spartacus | From the city of Sparta | Unisex | English |
| Spider | An eight legged insect | Unisex | English |
| Spunky | Spirited, plucky. | Unisex | English |
| Sticky | | Unisex | Hebrew |
| Stormy | Violent weather | Unisex | English |
| Talli | Dew of God | Unisex | Hebrew |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | English |
| Tarzan | White skin | Unisex | Literary |
| T-bone | A thick steak containing a T shaped bone. | Unisex | English |
| Tequila | An alcoholic liquor distilled from mescal. | Unisex | English |
| Terminator | | Unisex | Hebrew |
| Teva | Nature | Unisex | Hebrew |
| Tex | Of Texas | Unisex | English |
| Thunder | Stormy Tempered | Unisex | English |
| Tiger | Tiger | Unisex | English |
| Titan | Powerful big man | Unisex | Greek |
| Tito | Giant | Unisex | Latin |
| Trooper | A state or mounted police officer. Also a member of a cavalry unit. | Unisex | English |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Twisted | | Unisex | Hebrew |