| Tomoko | Woman | Japanese Names |
| Tomomi | Woman | Japanese Names |
| Tomoya | Man | Japanese Names |
| Tomoyo | Woman | Japanese Names |
| Toru | Man | Japanese Names |
| Toshi | Woman | Japanese Names |
| Toshiharu | Man | Japanese Names |
| Toshihiro | Man | Japanese Names |
| Toshiko | Woman | Japanese Names |
| Toshio | Man | Japanese Names |
| Toshiyuki | Man | Japanese Names |
| Tsubaki | Woman | Japanese Names |
| Tsubame | Woman | Japanese Names |
| Tsubasa | Unisex | Japanese Names |
| Tsukiko | Woman | Japanese Names |
| Tsumugi | Woman | Japanese Names |
| Tsunami | Unisex | Japanese Names |
| Tsuneko | Woman | Japanese Names |
| Tsutomu | Man | Japanese Names |
| Tsuyoshi | Man | Japanese Names |