| Name | Meaning | Gender | Origin |
|---|
| Shiraz | | Unisex | |
| Sienna | A clay like earthy reddish brown | Female | Italian |
| Snickers | A brand of candy bar. | Unisex | |
| Snickers | A brand of candy bar. | Unisex | |
| Solar | | Unisex | Hebrew |
| Stallone | | Unisex | Hebrew |
| Styx | from Greek mythology, the river that formed the boundary between earth and the underworld | Unisex | |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Sunrise | | Unisex | |
| Tallulah | leaping water | Female | Irish |
| Tattoo | | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Titanic | | Unisex | Hebrew |
| Tracker | One who follows the tracks or marks of another. | Unisex | |
| Trinity | Three divine persons, The Father, The Son and The Holy Spirit. | Female | Latin |
| Tuppence | British for two pence (coins) | Unisex | |
| Turbo | Driven by a turbine - turbocharged | Unisex | |
| Tux | | Unisex | |
| Tux | | Unisex | |
| Twiggy | | Unisex | |
| Twilight | | Unisex | |
| Vegas | | Female | |