| Name | Meaning | Gender | Origin |
|---|
| Stark | | Unisex | Hebrew |
| Stimpy | | Unisex | Hebrew |
| Stinker | | Unisex | |
| Stinky | | Unisex | |
| Storm | Storm
| Male | Word |
| Story | | Male | |
| Sully | from the south meadow | Male | |
| Swayze | | Unisex | |
| Sylar | | Unisex | |
| Syrah | | Unisex | |
| Taco | A folded fried tortilla filled with meat, cheese and spices. | Unisex | |
| Taj | crown | Male | Hindi |
| Talbot | reward | Male | English |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | |
| Tate | to be cheerful; windy, a great talker | Male | English |
| Thor | Viking mythology: the ruler of the weather | Male | Norse |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Titus | of the giants | Male | Latin |
| Toby | God is Good | Male | English |
| Tokyo | | Unisex | Hebrew |
| Toshiro | | Unisex | |
| Trigger | | Unisex | |
| Tuff | Fun spelling of tough; strong and resilient. | Unisex | |