| Name | Meaning | Gender | Origin |
|---|
| Seneca | people of the standing rock | Male | Latin |
| Sephora | bird | Female | Hebrew |
| Sesame | Small flat seeds used as food or source of cooking oil. | Female | Word |
| Silver | White
| Male | English |
| Simba | from The Lion King | Male | Swahili |
| Simba | lion | Male | Swahili |
| Soso | | Unisex | |
| Sparrow | a bird | Female | Nature |
| Stetson | Cowboy Hat | Male | English |
| Storm | Storm
| Male | Word |
| Stormie | | Unisex | |
| Story | | Male | |
| Sunshine | Rays from the sun. Cheerfulness | Female | Word |
| Swayze | | Unisex | |
| Sylar | | Unisex | |
| Tangy | | Unisex | |
| Taro | Japanese - first born boy. Edible starchy plant. | Unisex | |
| Tate | to be cheerful; windy, a great talker | Male | English |
| Tempest | storm | Female | Word |
| Texas | | Male | |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |