| Name | Meaning | Gender | Origin |
|---|
| Spark | | Unisex | |
| Strawberry | | Female | |
| Succotash | | Unisex | |
| Sunbeam | | Unisex | |
| Sunflower | | Unisex | |
| Sunkiss | | Unisex | |
| Sunkist | | Unisex | |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| 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 |
| Suri | princess | Female | Hebrew |
| Tabasco | American spicy sauce made from red peppers. | Male | |
| Tang | | Unisex | |
| Tangerine | From Tangiers
| Female | Word |
| Teak | | Unisex | Hebrew |
| Tequila | An alcoholic liquor distilled from mescal. | Female | Spanish |
| Terra | earth | Female | Latin |
| Thor | Viking mythology: the ruler of the weather | Male | Norse |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger Lily | | Unisex | |
| Tigger | from Winnie the Pooh | Unisex | |
| Tigress | | Female | |
| Titian | red-gold | Female | Italian |
| Toffee | A hard brown, chewy candy | Male | |