| Name | Meaning | Gender | Origin |
|---|
| Stella | a star | Female | Latin |
| Stella | a star | Female | Latin |
| Sterling | British money or coin. A type of silver. Of good character. genuine, valued | Male | English |
| Straw | | Unisex | |
| Striker | | Male | |
| Succotash | | Unisex | |
| 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 |
| Summer | summer season | Female | Word |
| Sun | obedient | Female | Korean |
| Sunbeam | | Unisex | |
| Sundance | | Unisex | Hebrew |
| Sunflower | | Unisex | |
| Sunkiss | | Unisex | |
| Sunkist | | Unisex | |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Sunrise | | Unisex | |
| Sunset | Daily disappearance of the sun below the horizon. Usually red, yellow or orange in colour. | Unisex | |
| Sunshine | Rays from the sun. Cheerfulness | Female | Word |
| Susie | Hebrew, lily | Female | English |
| Syd | Variant of Sidney from St. Denis
| Male | |
| Tabasco | American spicy sauce made from red peppers. | Male | |
| Taco | A folded fried tortilla filled with meat, cheese and spices. | Unisex | |
| Taffy | Sticky candy | Male | Welsh |