| Name | Meaning | Gender | Origin |
| Taylor | A tailor | Female | English |
| Taz | Wild Animal, Thrid Born | Unisex | American |
| T-bone | A thick steak containing a T shaped bone. | Unisex | English |
| Teddy | Gift of God | Male | Greek |
| Tequila | An alcoholic liquor distilled from mescal. | Unisex | English |
| Tess | Harvester | Female | Greek |
| Tessa | Harvester | Female | Greek |
| Tex | Of Texas | Unisex | English |
| Thelma | Will | Female | Literary |
| Thor | Thunder | Male | Norse |
| Thumper | To walk with heavy steps | Unisex | English |
| Thunder | Stormy Tempered | Unisex | English |
| Tiger | Tiger | Unisex | English |
| Tigger | From Winnie the Pooh | Unisex | English |
| Tiki | Maori figure representing an ancestor. A wooden or stone image of a Polynesian god. | Unisex | English |
| Tilly | Powerful battler | Unisex | Germanic |
| Timber | Wood used as a building material. Also timber-wolf. | Unisex | English |
| Timmy | To honor God, to fear God | Male | Greek |
| Tinker | | Unisex | Hebrew |
| Tiny | Extremely small | Unisex | English |
| Titan | Powerful big man | Unisex | Greek |
| Tito | Giant | Unisex | Latin |
| Titus | Of The Giants | Male | Latin |
| Toby | God is good | Unisex | Hebrew |
| Toffee | A hard brown, chewy candy | Unisex | English |
| Tom | Twin | Male | Aramaic |
| Tommy | Twin | Male | Aramaic |
| Toni | Abbreviation Of Antonia And Antoinette. | Female | Latin |
| Tony | Derived From Victoria Triumphant. | Male | Latin |
| Tootsie | A girl or young woman. | Unisex | English |