| Name | Meaning | Gender | Origin |
|---|
| Stan | after the South Park character Stan Marsh | Male | Short |
| Stanley | Lives by the stony grove
| Male | English |
| Steel | Strong metal alloy made of iron and carbon. Hard unflinching character. | Male | Word |
| Steele | | Unisex | |
| 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 |
| Storm | Storm
| Male | Word |
| Stuart | Bailiff
| Male | Scottish |
| Suggs | | Unisex | |
| Suk | | Unisex | Hebrew |
| Sullivan | black-eyed one | Male | Irish |
| Sutherland | From Sutherland
| Male | |
| Sven | youth | Male | Norse |
| Syd | Variant of Sidney from St. Denis
| Male | |
| Sye | | Unisex | |
| T. | Tia | Unisex | |
| Taco | A folded fried tortilla filled with meat, cheese and spices. | Unisex | |
| Tadd | Father | Unisex | Welsh |
| Tag | | Unisex | |
| Takeya | | Unisex | Hebrew |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | |
| Taylor | A tailor
| Female | English |
| Ted | English, wealthy guardian | Male | English |