- Tachikawa
- Tadotsu
- Tagawa
- Tahara
- Tajimi
- Tajiri
- Takahagi
- Takahama
- Takahashi
- Takahata
- Takaishi
- Takamatsu
- Takanabe
- Takanosu
- Takaoka
- Takarazuka
- Takasaki
- Takatsuki
- Takayama
- Takedamachi
- Takefu
- Takehara
- Takeochō-takeo
- Taketoyo
- Takikawa
- Tamamura
- Tamana
- Tamano
- Tanabe
- Tanabe
- Tanashichō
- Tanuma
- Tanushimarumachi-toyoki
- Tarui
- Tarumizu
- Tatebayashi
- Tateyama
- Tatsuno
- Tatsunochō-tominaga
- Tawaramoto
- Tendō
- Tennō
- Tenri
- Toba
- Tobe
- Tōbetsu
- Tochigi
- Tochio-honchō
- Tōgane
- Togitsu
- Tōkamachi
- Toki
- Tokoname
- Tokorozawa
- Tokushima
- Tokuyama
- Tokyo
- Tomakomai
- Tomigusuku
- Tomioka
- Tomiya
- Tomobe
- Tondabayashichō
- Tōno
- Tonoshō
- Toride
- Tosu
- Tottori
- Toyama
- Toyohama
- Toyohashi
- Toyokawa
- Toyonaka
- Toyooka
- Toyoshina
- Toyota
- Tsu
- Tsubame
- Tsubata
- Tsuiki
- Tsukawaki
- Tsukuba
- Tsukumiura
- Tsuma
- Tsumago
- Tsuruga
- Tsurugi-asahimachi
- Tsuruoka
- Tsurusaki
- Tsushima
- Tsuyama
