| Tess | Woman | English Names |
| Tessa | Woman | English Names |
| Tessica | Woman | American Names |
| Tessie | Woman | English Names |
| Tetsu | Woman | Japanese Names |
| Tetsua | Man | Japanese Names |
| Tetsuo | Man | Japanese Names |
| Tetsuya | Man | Japanese Names |
| Teva | Unisex | Hebrew Names |
| Tevah | Unisex | Hebrew Names |
| Tevie | Unisex | Hebrew Names |
| Tevin | Unisex | American Names |
| Tevy | Woman | Cambodian Names |
| Tewelde | Man | African - Eritrean and Ethiopian Names |
| Tex | Unisex | American Names |
| Texas | Unisex | Native American - Caddo Names |
| Teyemthohisa | Unisex | Native American - Onondaga Names |
| Tezcacoatl | Man | Aztec Names |
| Thackary | Unisex | English Names |
| Thad | Man | Greek Names |