| Name | Meaning | Gender | Origin |
|---|
| Simon | he who hears | Male | Hebrew |
| Sinbad | | Male | |
| Skip | From Skipper, Meaning Shipmaster | Unisex | English |
| Slim | Slender in proportion to height. | Unisex | |
| Smith | blacksmith | Male | English |
| Sofia | wisdom | Female | Greek |
| Soran | | Unisex | Hebrew |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | American |
| Stan | after the South Park character Stan Marsh | Male | Short |
| Stanley | Lives by the stony grove
| Male | English |
| Stella | a star | Female | Latin |
| Stella | a star | Female | Latin |
| Stephen | crown | Male | Greek |
| Steve | garland, crown | Male | English |
| Steven | garland, crown | Male | English |
| Sue | Lily
| Female | English |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Swami | | Unisex | Hebrew |
| T.J. | Thomas Jefferson | Unisex | |
| Tariq | Morning star. An 8th century Islamic military leader who conquered Spain for the Moors.
| Male | Arabic |
| Ted | English, wealthy guardian | Male | English |
| Teri | Summer, Harvester | Unisex | English |
| Terry | Latin clan name of uncertain meaning | Male | English |
| Thelma | nursing | Female | Literary |