| Name | Meaning | Gender | Origin |
|---|
| Toupee | | Unisex | Hebrew |
| Trekky | | Unisex | Hebrew |
| Tricky | | Unisex | Hebrew |
| Trilogy | | Unisex | Hebrew |
| Trinity | Three divine persons, The Father, The Son and The Holy Spirit. | Female | Latin |
| Triton | after Neptune's moon | Unisex | |
| Trojan | | Unisex | Hebrew |
| Trouble | A cause of disturbance or difficulty. | Male | |
| Tulip | | Female | Hebrew |
| Turbo | Driven by a turbine - turbocharged | Unisex | |
| Tutu | | Unisex | |
| Tuvok | after the vulcan character on the Star Trek Voyager tv series | Unisex | |
| Twinkle | | Unisex | |
| Twister | A cyclone or tornado. | Unisex | |
| Typhoon | great wind | Male | Chinese |
| Uhura | after the female character in Star Trek | Unisex | |
| Uranus | The heavens | Unisex | Latin |
| Valentine | A person singled out as one's sweetheart | Male | Latin |
| Valentino | strength, health | Male | Latin |
| Van Gogh | | Unisex | |
| Vanilla | Flavouring agent from the vanilla bean | Male | |
| Velvet | Soft
| Female | English |
| Venus | Love and Beauty
| Female | Latin |
| Versace | | Female | |
| Veruca Salt | named for the spoiled girl in Willy Wonka | Unisex | |