| Name | Meaning | Gender | Origin |
|---|
| Simba | from The Lion King | Male | Swahili |
| Sir Nicholas De Mimsey-Porpington | | Unisex | |
| Slater | maker of slates | Male | English |
| Snoopy | | Male | |
| Snowball | | Unisex | |
| Snow-Paw | | Unisex | |
| Sonya | Loud.
| Female | |
| Sorrel | reddish brown | Male | Botanical |
| Speck | | Male | Hebrew |
| Squeak | | Unisex | |
| Stardust | | Female | |
| Stephanie | garland, crown | Female | Greek |
| Stewart Ackerly | Ravenclaw student.
| Male | |
| Sturgis Podmore | | Unisex | |
| Suelita | Little lily
| Female | |
| Summa | | Female | |
| 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 |
| Susana | 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 | |
| Sydney | from city of St. Denis | Female | |
| Sylvester | A cartoon cat that tried to eat the bird character Tweety. He was a black and white cat.
| Male | Latin |
| Takara | Precious stones or treasure.
| Female | Japanese |
| Tamara | Palm tree. Used as a symbolic oriental name due to the beauty and fruitfulness of the tree.
| Female | Hebrew |
| Tangerine | From Tangiers
| Female | Word |
| Tanis | Spanish abbreviation of Estanislao make famous from the name borne by several Slavic kings and three saints.
| Female | Spanish |
| Tarzan | | Male | |