| Name | Meaning | Gender | Origin |
|---|
| Sasha | Defending men | Unisex | Greek |
| Sasquatch | Has extra toes and hence is a bigfoot | Unisex | English |
| Sassy | Lively and spirited | Unisex | English |
| Satan | The Devil and adversary of God | Unisex | English |
| Saturn | Sixth and second largest planet away from the Sun. | Unisex | English |
| Shadow | Shadow | Unisex | English |
| Shark | | Unisex | Hebrew |
| Talon | A claw | Male | English |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | English |
| T-bone | A thick steak containing a T shaped bone. | Unisex | English |
| Tex | Of Texas | Unisex | English |
| Thad | Uncertain, perhaps praised or heart | Male | Aramaic |
| Thaddeus | Uncertain, perhaps praised or heart | Male | Aramaic |
| Thunder | Stormy Tempered | Unisex | English |
| Titan | Powerful big man | Unisex | Greek |
| Trojan | | Unisex | Hebrew |
| Trooper | A state or mounted police officer. Also a member of a cavalry unit. | Unisex | English |
| Tucker | Someone who folds cloth | Male | English |
| Ulysses | Walker | Male | Greek |
| Winston | Joy stone | Male | English |
| Wolf | Wolf | Male | English |
| Wookie | | Unisex | Hebrew |
| Zephyr | West wind | Male | Greek |
| Zero | Small effort | Male | Arabic |
| Zeus | Myth Name | Male | Greek |
| Zilla | Shadow | Unisex | Hebrew |
| Zues | | Unisex | Hebrew |