| Name | Meaning | Gender | Origin |
|---|
| Tiara | turban, flower name | Female | Latin |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tigger | from Winnie the Pooh | Unisex | |
| Tinkerbell | | Unisex | |
| Tipsy | | Unisex | |
| Toby | God is Good | Male | English |
| Trevor | Neville's toad.
| Male | Welsh |
| Trixie | she who brings happiness | Female | Latin |
| Trixie | she who brings happiness | Female | Latin |
| Trouble | A cause of disturbance or difficulty. | Male | |
| Trystan | Calmitous, From an ancient Celtic prince. Variant of Tristan.
| Male | |
| Tuppence | British for two pence (coins) | Unisex | |
| Tux | | Unisex | |
| Tux | | Unisex | |
| Twiggy | | Unisex | |
| Twinkle | | Unisex | |
| Twinkles | | Unisex | |
| Twister | A cyclone or tornado. | Unisex | |
| Utopia | | Male | |
| Valentino | strength, health | Male | Latin |
| Vegas | | Female | |
| Velvet | Soft
| Female | English |
| Venus | Love and Beauty
| Female | Latin |
| Vesper | Of The Evening | Male | Latin |