| Name | Meaning | Gender | Origin |
|---|
| Snake | | Unisex | Hebrew |
| Sniper | A skilled shooter who spots targets from a concealed place. | Unisex | English |
| Spider | An eight legged insect | Unisex | English |
| Spirit | Part of the human being associated with the mind. Vigorous or animated state - spirited. Also distilled alcohol. | Unisex | English |
| Storm | Violent weather | Female | English |
| Tabitha | Gazelle | Female | Aramaic |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | English |
| Taz | Wild Animal, Thrid Born | Unisex | American |
| T-bone | A thick steak containing a T shaped bone. | Unisex | English |
| Tempest | Storm | Female | English |
| Tequila | An alcoholic liquor distilled from mescal. | Unisex | English |
| Terminator | | Unisex | Hebrew |
| Tiger | Tiger | Unisex | English |
| Tito | Giant | Unisex | Latin |
| Tomcat | | Unisex | Hebrew |
| Trinity | Threefold | Female | Latin |
| Trip | Traveler | Unisex | English |
| Trooper | A state or mounted police officer. Also a member of a cavalry unit. | Unisex | English |
| Tweek | After the character in the South Park cartoons | Unisex | English |
| Ursula | Little bear | Female | Latin |
| Valkyrie | Chooser of the slain | Unisex | Norse |
| Vegas | | Unisex | Hebrew |
| Velvet | Soft | Female | English |
| Voodoo | | Unisex | Hebrew |
| Wednesday | Woden's Day | Unisex | English |
| Whiskey | An alcoholic liquor distilled from grain | Unisex | English |
| Winchester | | Unisex | Hebrew |
| Zen | School of Buddhism that promotes meditation | Unisex | English |
| Zoe | Life | Female | Greek |