| Name | Meaning | Gender | Origin |
|---|
| Squishy | | Unisex | Hebrew |
| Stardust | | Female | |
| Stark | | Unisex | Hebrew |
| Stimpy | | Unisex | Hebrew |
| Stinker | | Unisex | |
| Stinky | | Unisex | |
| Storm | Storm
| Male | Word |
| Story | | Male | |
| Sully | from the south meadow | Male | |
| Sunshine | Rays from the sun. Cheerfulness | Female | Word |
| Suri | princess | Female | Hebrew |
| Susan | Lily Diminutive of Susannah also used as an independent name. In the apocryphal Book of Tobit Susannah courageously defended herself against wrongful accusation. White lilies grew in the Biblical city of Susa in Persia.
| Female | Hebrew |
| Swayze | | Unisex | |
| Sylar | | Unisex | |
| Syrah | | Unisex | |
| Tabitha | gazelle, roe-buck | Female | Aramaic |
| Taco | A folded fried tortilla filled with meat, cheese and spices. | Unisex | |
| Taj | crown | Male | Hindi |
| Talbot | reward | Male | English |
| Talia | Dew of heaven
| Female | Hebrew |
| Talia | Dew of heaven
| Female | Hebrew |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | |
| Tate | to be cheerful; windy, a great talker | Male | English |
| Tess | fourth born | Female | English |
| Thalia | blooming, plentiful | Female | Greek |