| Name | Meaning | Gender | Origin |
|---|
| Theo | divine gift | Male | English |
| 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 | |
| Tizzy | | Female | Hebrew |
| Toby | God is Good | Male | English |
| Tootsie | A girl or young woman. | Unisex | |
| Tricky | | Unisex | Hebrew |
| Trixie | she who brings happiness | Female | Latin |
| Trixie | she who brings happiness | Female | Latin |
| Trudy | beloved | Female | |
| Truffles | Ball shaped chocolate | Unisex | |
| Tucker | Tucker of doth
| Male | English |
| Tycho | Bullseye | Unisex | Latin |
| Valentine | A person singled out as one's sweetheart | Male | Latin |
| Vanessa | a butterfly | Female | Literary |
| Violet | purple | Female | Latin |
| Waffles | | Male | |
| Whiskers | | Unisex | |
| Whoopi | | Unisex | Hebrew |
| Widget | | Unisex | |
| Willa | Resolute | Female | English |
| Willow | Slender:graceful. From the willow tree noted for slender graceful branches and leaves.
| Female | English |