| Name | Meaning | Gender | Origin |
|---|
| Taj | crown | Male | Hindi |
| Tandy | after the brand | Female | Native |
| Tanner | leather worker | Male | English |
| Tanya | Princess
| Female | Russian |
| Tara | A hill where the kings met
| Female | Irish |
| Tate | to be cheerful; windy, a great talker | Male | English |
| Taylor | A tailor
| Female | English |
| Tennessee | | Male | Hebrew |
| Tessa | Abbreviation of Teresa which is a popular saint's name of uncertain meaning.
| Female | English |
| Tessie | Abbreviation of Teresa which is a popular saint's name of uncertain meaning.
| Female | English |
| Tex | Of Texas | Male | English |
| Thatcher | roof fixer | Male | English |
| Tinker | | Unisex | |
| Tinker | | Unisex | |
| Tobias | From the Hebrew Tobiah Jah is good.
| Male | Greek |
| Toby | God is Good | Male | English |
| Tom | Bartender at the Leaky Cauldron.
| Male | English |
| Toni | priceless one | Female | English |
| Torie | Gracious, Victorious Conqueror | Unisex | Latin |
| Tracy | path, road | Male | |
| Trapper | One who traps animals for their fur. | Unisex | |
| Travis | crossing | Male | |
| Trent | the flooder | Male | English |
| Trevor | Neville's toad.
| Male | Welsh |
| Trey | third born, three | Male | English |