| Name | Meaning | Gender | Origin |
|---|
| Tara | A hill where the kings met
| Female | Irish |
| Tarzan | | Male | |
| Taurus | bull | Male | Latin |
| Taz | | Male | |
| Ted | English, wealthy guardian | Male | English |
| Tefnut | | Unisex | |
| Thai | | Unisex | |
| Thai | | Unisex | |
| Thalia | blooming, plentiful | Female | Greek |
| Thomas | Twin
| Male | Aramaic |
| Thomas | Twin
| Male | Aramaic |
| Thug | | Unisex | Hebrew |
| Thumper | To walk with heavy steps | Unisex | |
| Thyme | | Female | Hebrew |
| TICA | | Unisex | Hebrew |
| 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 | |
| Tiki | Maori figure representing an ancestor. A wooden or stone image of a Polynesian god. | Unisex | |
| Tillie | battle mighty | Female | English |
| Timon | worthy | Male | Greek |
| Tina | River
| Female | English |
| Tinkerbell | | Unisex | |
| Tinkertoy | | Unisex | Hebrew |
| Tiny | Extremely small | Unisex | |