| Name | Meaning | Gender | Origin |
|---|
| Spot | After Data's cat on Star Trek: The Next Generation | Unisex | English |
| Sprite | Lemonade flavored soft drink. | Unisex | English |
| Spud | Slang for potato. | Unisex | English |
| Spunky | Spirited, plucky. | Unisex | English |
| Stephen | Crown | Male | Greek |
| Stormy | Violent weather | Unisex | English |
| Sylvester | A forest | Male | Latin |
| Tango | | Unisex | Hebrew |
| Taran | Heaven | Unisex | Indian |
| Tarzan | White skin | Unisex | Literary |
| Thaddeus | Uncertain, perhaps praised or heart | Male | Aramaic |
| Theo | Gift of God | Male | Greek |
| Thomas | Twin | Male | Aramaic |
| Thumper | To walk with heavy steps | Unisex | English |
| Thunder | Stormy Tempered | Unisex | English |
| Tiger | Tiger | Unisex | English |
| Tigger | From Winnie the Pooh | Unisex | English |
| Timmy | To honor God, to fear God | Male | Greek |
| Toby | God is good | Unisex | Hebrew |
| Toffee | A hard brown, chewy candy | Unisex | English |
| Tom | Twin | Male | Aramaic |
| Tommy | Twin | Male | Aramaic |
| Tony | Derived From Victoria Triumphant. | Male | Latin |
| Trace | Thracius' place | Unisex | English |
| Travis | Toll collector | Male | French |
| Tristan | Tumult | Male | Gaelic |
| Tuffy | | Unisex | Hebrew |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Victor | Victor | Male | Latin |
| Vince | Conquering | Male | Latin |