| Name | Meaning | Gender | Origin |
|---|
| Sunday | 7th day of the week | Unisex | English |
| Sunshine | Light from the sun | Unisex | English |
| Sweetie | Sweetheart. | Unisex | English |
| Tabitha | Gazelle | Female | Aramaic |
| Taco | A folded fried tortilla filled with meat, cheese and spices. | Unisex | English |
| Taffy | Beloved | Female | Welsh |
| Tamara | Palm tree | Female | Hebrew |
| Tammy | Twin | Female | Aramaic |
| Tango | | Unisex | Hebrew |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | English |
| Tanker | | Unisex | Hebrew |
| Tarzan | White skin | Unisex | Literary |
| Tate | "Pleasant And Bright."Some Variants Are Tait, Taite, And Tayte. | Female | English |
| Tawny | Tawny, tanned | Female | English |
| Taz | Wild Animal, Thrid Born | Unisex | American |
| Teal | The Bird Teal: Also The Blue-Green Color. | Unisex | English |
| Teeny | | Unisex | Hebrew |
| Tiger | Tiger | Unisex | English |
| Tigger | From Winnie the Pooh | Unisex | English |
| Tinker | | Unisex | Hebrew |
| Tinkerbell | | Unisex | Hebrew |
| Tinkerbelle | Named after the fairy... Peter Pan's little sidekick! | Unisex | English |
| Tiny | Extremely small | Unisex | English |
| Titan | Powerful big man | Unisex | Greek |
| Toby | God is good | Unisex | Hebrew |
| Toffee | A hard brown, chewy candy | Unisex | English |
| Treasure | Precious possession | Unisex | English |
| Trina | Pure | Female | Greek |
| Trinity | Threefold | Female | Latin |
| Trinket | | Unisex | Hebrew |