| Name | Meaning | Gender | Origin |
|---|
| Tiger | Tiger | Unisex | English |
| Tilly | Powerful battler | Unisex | Germanic |
| Tink | | Unisex | Hebrew |
| Tiny | Extremely small | Unisex | English |
| Toby | God is good | Unisex | Hebrew |
| Tokala | Dark fox | Male | Native American |
| Tootsie | A girl or young woman. | Unisex | English |
| Torin | Chief | Male | Gaelic |
| Travis | Toll collector | Male | French |
| Trigger | | Unisex | Hebrew |
| Tucker | Someone who folds cloth | Male | English |
| Tuffy | | Unisex | Hebrew |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Twiggy | | Unisex | Hebrew |
| Tyson | Son of Dye | Male | English |
| Ulrich | Powerful through his inheritance | Male | Germanic |
| Uno | | Unisex | Hebrew |
| Vegas | | Unisex | Hebrew |
| Virgil | Flourishing. Roman Poet-Philosopher Virgil Works Have Been Classic Texts Of Roman History And The Latin Language For 2000 Years. | Male | Latin |
| Vittorio | Victor | Male | Latin |
| Vlad | Rule | Male | Russian |
| Webster | Weaver | Male | English |
| Whisky | | Unisex | Hebrew |
| Whitby | White farm | Male | English |
| Wiley | Trapper or hunter | Unisex | English |
| William | Will, desire and helmet, protection | Male | Germanic |
| Willie | Will, desire and helmet, protection | Male | Germanic |
| Willis | Will, desire and helmet, protection | Male | Germanic |
| Wilson | Son of William | Male | English |
| Winchester | | Unisex | Hebrew |