| Name | Meaning | Gender | Origin |
|---|
| Spunky | Spirited, plucky. | Unisex | English |
| Sticky | | Unisex | Hebrew |
| Storm | Violent weather | Female | English |
| Stormy | Violent weather | Unisex | English |
| Sylvia | Wooded | Female | Latin |
| Talli | Dew of God | Unisex | Hebrew |
| Tallulah | Abundance, lady, princess | Female | Gaelic |
| 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 |
| Titian | Red-gold | Female | Latin |
| Tito | Giant | Unisex | Latin |
| Tracy | Thracius' place | Female | English |
| Trixie | Voyager through life | Female | Latin |
| Trooper | A state or mounted police officer. Also a member of a cavalry unit. | Unisex | English |
| Troy | Troyes | Female | French |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Twisted | | Unisex | Hebrew |
| Twister | A cyclone or tornado. | Unisex | English |
| Uzi | My Strength | Unisex | English |
| Valerie | To be healthy, strong | Female | Latin |
| Valiant | Brave | Unisex | English |
| Vash | | Unisex | Hebrew |