| Tighearnach | Man | Irish Names |
| Tiguan | Unisex | German Names |
| Tiimu | Man | Native American - Miwok Names |
| Tikhon | Man | Russian Names |
| Tikvah | Woman | Hebrew Names |
| Tilak | Man | Indian Names |
| Tilda | Woman | English Names |
| Tilden | Man | English Names |
| Tilla | Woman | German Names |
| Tillie | Woman | English Names |
| Tilly | Woman | English Names |
| Tilo | Man | German Names |
| Tiltilla | Unisex | Native American - Salish Names |
| Tim | Man | Greek Names |
| Timandra | Woman | Greek Names |
| Timber | Unisex | American Names |
| Timberly | Woman | American Names |
| Timea | Woman | Hungarian Names |
| Timéo | Man | French Names |
| Timila | Woman | Indian Names |