| Name | Meaning | Gender | Origin |
|---|
| Tiberius | of the Tiber | Male | Latin |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tigris | | Unisex | |
| Tiki | Maori figure representing an ancestor. A wooden or stone image of a Polynesian god. | Unisex | |
| Tlaloc | Aztec mythology: the great rain and fertility god | Unisex | |
| Tlazolteotl | Aztec mythology: the goddess of licentiousness | Unisex | |
| Trent | the flooder | Male | English |
| Triton | after Neptune's moon | Unisex | |
| Troy | Descendant of the curly haired ones | Male | Irish |
| Wade | a ford | Male | English |
| Wagner | Wagon maker
| Male | |
| Walton | dweller by the wall | Male | English |
| Washington | From the intelligent one's farm
| Male | English |
| Wayne | Craftsman
| Male | English |
| Welby | From The Spring Farm | Male | English |
| Wella | Stream | Unisex | English |
| Westbrook | From The West Brook | Male | English |
| Wilburn | | Unisex | |
| Wiley | Meadow | Male | English |
| Wilt | | Unisex | |
| Wilton | From The Farm By The Spring | Male | English |
| Windsor | riverbank with a winch | Male | English |
| Wyatt | English name meaning brave in war | Male | English |
| Wylie | Wily: full of wiles, cunning. enchanting | Male | English |