| Name | Meaning | Gender | Origin |
|---|
| Spud | Slang for potato. | Unisex | English |
| Spunky | Spirited, plucky. | Unisex | English |
| Stretch | To extend to full length. | Unisex | English |
| Strider | | Unisex | Hebrew |
| Styx | Myth Name (A River Of The Underworld) | Unisex | English |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | English |
| Sunshine | Light from the sun | Unisex | English |
| Sydney | Wide meadow | Female | English |
| Tallulah | Abundance, lady, princess | Female | Gaelic |
| Tammy | Twin | Female | Aramaic |
| Tasha | (Christ's) birthday | Female | Latin |
| Tempest | Storm | Female | English |
| Tequila | An alcoholic liquor distilled from mescal. | Unisex | English |
| Terra | Earth, soil | Female | Latin |
| Tessa | Harvester | Female | Greek |
| Thalassa | Ocean, sea | Female | Greek |
| Tiger | Tiger | Unisex | English |
| Tilly | Powerful battler | Unisex | Germanic |
| Titania | Uncertain, perhaps of the Titans | Female | Latin |
| Toby | God is good | Unisex | Hebrew |
| Trinity | Threefold | Female | Latin |
| Troy | Troyes | Female | French |
| Tulip | | Unisex | Hebrew |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Twiggy | | Unisex | Hebrew |
| Ty | Abbreviation For Names Beginning With Ty-. | Unisex | American English |
| Una | One | Female | Latin |
| Ursula | Little bear | Female | Latin |
| Vanilla | Flavouring agent from the vanilla bean | Unisex | English |
| Velvet | Soft | Female | English |