| Name | Meaning | Gender | Origin |
|---|
| Spanky | | Unisex | Hebrew |
| Spider | An eight legged insect | Unisex | English |
| Spot | After Data's cat on Star Trek: The Next Generation | Unisex | English |
| Spud | Slang for potato. | Unisex | English |
| Steve | Crown | Male | Greek |
| Stinky | | Unisex | Hebrew |
| Sunny | Filled with sunlight | Male | English |
| Talon | A claw | Male | English |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | English |
| Tarzan | White skin | Unisex | Literary |
| Taz | Wild Animal, Thrid Born | Unisex | American |
| Tex | Of Texas | Unisex | English |
| Thunder | Stormy Tempered | Unisex | English |
| Tic | | Unisex | Hebrew |
| Tiger | Tiger | Unisex | English |
| Tiny | Extremely small | Unisex | English |
| Titan | Powerful big man | Unisex | Greek |
| Toby | God is good | Unisex | Hebrew |
| Tony | Derived From Victoria Triumphant. | Male | Latin |
| Trigger | | Unisex | Hebrew |
| Trojan | | Unisex | Hebrew |
| Trouble | A cause of disturbance or difficulty. | Unisex | English |
| Tucker | Someone who folds cloth | Male | English |
| Tuff | Fun spelling of tough; strong and resilient. | Unisex | English |
| Tweeker | | Unisex | Hebrew |
| Tyson | Son of Dye | Male | English |
| Ulysses | Walker | Male | Greek |
| Vanilla | Flavouring agent from the vanilla bean | Unisex | English |
| Vegas | | Unisex | Hebrew |
| Voodoo | | Unisex | Hebrew |