| City | Region |
|---|
| ›Tachikawa | Honshu (Tokyo)› |
| ›Tadami | Honshu (Fukushima)› |
| ›Tadotsu | Shikoku (Kagawa)› |
| ›Tagajo | Honshu (Miyagi)› |
| ›Tagami | Honshu (Niigata-ken)› |
| ›Tahara | Honshu (Aichi-ken)› |
| ›Tainai | Honshu (Niigata-ken)› |
| ›Taito | Honshu (Saitama-ken)› |
| ›Taiwa | Honshu (Miyagi)› |
| ›Tajimi | Honshu (Gifu-ken)› |
| ›Takada | Honshu (Gifu-ken)› |
| ›Takada | Honshu (Niigata-ken)› |
| ›Takahagi | Honshu (Ibaraki-ken)› |
| ›Takahama | Honshu (Fukui)› |
| ›Takahata | Honshu (Yamagata-ken)› |
| ›Takaishi | Honshu (Osaka)› |
| ›Takakura | Honshu (Tokyo)› |
| ›Takamatsu | Shikoku (Kagawa)› |
| ›Takanabe | Kyushu (Miyazaki)› |
| ›Takanezawa | Honshu (Ibaraki-ken)› |
| ›Takaoka | Honshu (Toyama-ken)› |
| ›Takasaki | Honshu (Gunma-ken)› |
| ›Takashima | Honshu (Shimane-ken)› |
| ›Takashima | Honshu (Shiga)› |
| ›Takatsuki Yama (mountain) | Shikoku (Ehime)› |
| ›Takayama | Honshu (Gunma-ken)› |
| ›Takayama | Honshu (Gifu-ken)› |
| ›Takefu | Honshu (Fukui)› |
| ›Takeo | Kyushu (Saga)› |
| ›Takizawa | Honshu (Iwate)› |
| ›Takko | Honshu (Iwate)› |
| ›Taku | Kyushu (Saga)› |
| ›Talko | Honshu (Chiba-ken)› |
| ›Tama | Honshu (Tokyo)› |
| ›Tamakawa | Honshu (Fukushima)› |
| ›Tamaki | Honshu (Mie)› |
| ›Tamamura | Honshu (Shimane-ken)› |
| ›Tamano | Honshu (Okayama-ken)› |
| ›Tamura | Honshu (Fukushima)› |
| ›Tanabe | Honshu (Wakayama)› |
| ›Tanagura | Honshu (Ibaraki-ken)› |
| ›Tarumi | Honshu (Gifu-ken)› |
| ›Tatebayashi | Honshu (Shimane-ken)› |
| ›Tateyama | Honshu (Toyama-ken)› |
| ›Tateyama | Honshu (Chiba-ken)› |
| ›Tendo | Yamagata› |
| ›Tenei | Honshu (Fukushima)› |
| ›Tennojichokita | Honshu (Osaka)› |
| ›Toba | Honshu (Mie)› |
| ›Tochigi | Honshu (Tochigi)› |
| ›Toda | Honshu (Tokyo)› |
| ›Togane | Honshu (Chiba-ken)› |
| ›Tohoku | Honshu (Aomori)› |
| ›Tokai | Honshu (Aichi-ken)› |
| ›Tokai | Honshu (Ibaraki-ken)› |
| ›Tokamachi | Honshu (Niigata-ken)› |
| ›Toki | Honshu (Gifu-ken)› |
| ›Tokigawa | Honshu (Shimane-ken)› |
| ›Tokiwa | Hokkaido› |
| ›Tokoname | Honshu (Aichi-ken)› |
| ›Tokorozawa | Honshu (Saitama-ken)› |
| ›Tokushima | Shikoku (Tokushima)› |
| ›Tokuyama | Honshu (Yamaguchi-ken)› |
| ›Tokyo | Honshu (Tokyo)› |
| ›Tome | Honshu (Miyagi)› |
| ›Tomioka | Honshu (Fukushima)› |
| ›Tomioka | Honshu (Gunma-ken)› |
| ›Tomiya | Honshu (Miyagi)› |
| ›Tonami | Honshu (Toyama-ken)› |
| ›Tondabayashi | Honshu (Osaka)› |
| ›Tone | Honshu (Saitama-ken)› |
| ›Tono | Honshu (Iwate)› |
| ›Tonosawa | Honshu (Kanagawa-ken)› |
| ›Tonosho | Honshu (Chiba-ken)› |
| ›Toride | Honshu (Saitama-ken)› |
| ›Tosa | Shikoku (Kochi)› |
| ›Tottori | Honshu (Tottori-ken)› |
| ›Towada | Honshu (Aomori)› |
| ›Toyama | Honshu (Toyama-ken)› |
| ›Toyoake | Honshu (Aichi-ken)› |
| ›Toyoda | Honshu (Mie)› |
| ›Toyohashi | Honshu (Aichi-ken)› |
| ›Toyokawa | Honshu (Aichi-ken)› |
| ›Toyonaka | Honshu (Osaka)› |
| ›Toyono | Honshu (Kyoto)› |
| ›Toyota | Honshu (Aichi-ken)› |
| ›Tsu | Honshu (Mie)› |
| ›Tsubame | Honshu (Niigata-ken)› |
| ›Tsubata | Ishikawa› |
| ›Tsuchiura | Honshu (Ibaraki-ken)› |
| ›Tsugaru | Aomori› |
| ›Tsukuba | Honshu (Ibaraki-ken)› |
| ›Tsukubamirai | Honshu (Saitama-ken)› |
| ›Tsukumi | Kyushu (Oita)› |
| ›Tsuru | Honshu (Kanagawa-ken)› |
| ›Tsuruga | Honshu (Fukui)› |
| ›Tsurugashima | Honshu (Shimane-ken)› |
| ›Tsurumi Werd | Honshu (Osaka)› |
| ›Tsuruoka | Honshu (Yamagata-ken)› |
| ›Tsuruta | Aomori› |
| ›Tsushima | Honshu (Aichi-ken)› |
| ›Tsuyama | Honshu (Okayama-ken)› |
