| Name | Meaning | Gender | Origin |
|---|
| Taz | Wild Animal, Thrid Born | Unisex | American |
| Teal | The Bird Teal: Also The Blue-Green Color. | Unisex | English |
| Teddy | Gift of God | Male | Greek |
| Teeny | | Unisex | Hebrew |
| Teo | Gift of God | Male | Greek |
| Tiger | Tiger | Unisex | English |
| Tigger | From Winnie the Pooh | Unisex | English |
| Timmy | To honor God, to fear God | Male | Greek |
| 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 |
| Titus | Of The Giants | Male | Latin |
| Toby | God is good | Unisex | Hebrew |
| Toffee | A hard brown, chewy candy | Unisex | English |
| Tommy | Twin | Male | Aramaic |
| Treasure | Precious possession | Unisex | English |
| Trina | Pure | Female | Greek |
| Trinity | Threefold | Female | Latin |
| Trinket | | Unisex | Hebrew |
| Tucker | Someone who folds cloth | Male | English |
| Tulip | | Unisex | Hebrew |
| Tundra | Treeless mountain tract | Both | Russian |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Twinkle | | Unisex | Hebrew |
| Tyson | Son of Dye | Male | English |
| Ulysses | Walker | Male | Greek |
| Uma | Flax | Female | Sanskrit |
| Uno | | Unisex | Hebrew |