T
- (Nagaoka Shi) Teradomari-takemori
- (Sado Shi) Tamasaki
- (Sado Shi) Tsukifuse
- (Sado Shi) Takachi
- (Murakami Shi) Tonooka
- (Murakami Shi) Toriya
- (Tainai Shi) Tsuchizukuri
- (Iwafune-gun) Takada
- (Sado Shi) Tokuwahama
- (Sado Shi) Tagirisu
- (Itoigawa Shi) Tsutsuishi
- (Kashiwazaki Shi) Taya
- (Kashiwazaki Shi) Takayanagichō-tochigahara
- (Nagaoka Shi) Teradomari-yamada
- (Nagaoka Shi) Teradomari-gobuichi
- (Higashikambara-gun) Toyomi
- (Nagaoka Shi) Teradomari-nozumi
- (Nagaoka Shi) Torigoe
- (Nagaoka Shi) Takasemachi
- (Ojiya-shi) Tsubono
- (Tōkamachi-shi) Terada
- (Tōkamachi-shi) Tamugidate
- (Tōkamachi-shi) Takashima
- (Tōkamachi-shi) Todoroki
- (Uonuma Shi) Takakura
- (Mitsuke Shi) Tochikubomachi
- (Higashikambara-gun) Toyokawa
- (Niigata Shi) Takamori
- (Higashikambara-gun) Tazawa
- (Minamiōnuma-gun) Tsuchidaru