| Name | Meaning | Gender | Origin |
|---|
| Spencer | Shopkeeper, dispenser, keeper | Male | English |
| 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 |
| Sterling | British money or coin. A type of silver. Of good character. genuine, valued | Male | English |
| Steve | garland, crown | Male | English |
| Steven | garland, crown | Male | English |
| Stuart | Bailiff
| Male | Scottish |
| Sue | Lily
| Female | English |
| Sunflower | | Unisex | |
| 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 |
| Susie | Hebrew, lily | Female | English |
| Suzanne | Lily Variant of Hebrew Susannah. 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 | |
| Sylvester | A cartoon cat that tried to eat the bird character Tweety. He was a black and white cat.
| Male | Latin |
| Sylvia | from the forest | Female | Latin |
| Sylvie | from the forest | Female | |
| Tandy | after the brand | Female | Native |
| Ted | English, wealthy guardian | Male | English |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Thelma | nursing | Female | Literary |
| Theodore | gift of God | Male | Greek |
| Theresa | reaper | Female | English |
| Thomas | Twin
| Male | Aramaic |