| Trygg | Man | Scandinavian Names |
| Trygve | Man | Scandinavian Names |
| Tryna | Woman | English Names |
| Trynt | Man | English Names |
| Tryphena | Woman | Greek Names |
| Tsiyone | Unisex | Native American - Keresan Names |
| Tsubaki | Woman | Japanese Names |
| Tsubame | Woman | Japanese Names |
| Tsubasa | Unisex | Japanese Names |
| Tsufit | Woman | Hebrew Names |
| Tsukiko | Woman | Japanese Names |
| Tsumugi | Woman | Japanese Names |
| Tsunami | Unisex | Japanese Names |
| Tsuneko | Woman | Japanese Names |
| Tsungani | Unisex | Native American - Cherokee Names |
| Tsutomu | Man | Japanese Names |
| Tsuyoshi | Man | Japanese Names |
| Tsvetan | Man | Bulgarian Names |
| Tsvetanka | Woman | Bulgarian Names |
| Tu | Man | Vietnamese Names |