| Name | Meaning | Gender | Origin |
|---|
| Sun | obedient | Female | Korean |
| 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 | |
| Swift | | Unisex | |
| Sylvie | from the forest | Female | |
| Tag | | Unisex | |
| Tangerine | From Tangiers
| Female | Word |
| Tartan | | Unisex | |
| Tasha | Russian diminutive of Natalya, birthday of the Lord | Female | English |
| Taylor | A tailor
| Female | English |
| Teagan | beautiful | Female | Irish |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Teddy Bear | | Unisex | Hebrew |
| Tegan | doe | Unisex | |
| Tempest | storm | Female | Word |
| Teri | Summer, Harvester | Unisex | English |
| Terra | earth | Female | Latin |
| Terrance | Roman Clan Name. | Unisex | English |
| Tessa | Abbreviation of Teresa which is a popular saint's name of uncertain meaning.
| Female | English |
| Thalia | blooming, plentiful | Female | Greek |
| Thelma | nursing | Female | Literary |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Tia | Aunt
| Female | Spanish |