Tōhoku region (northernmost six prefectures of Honshu);  Tohoku region
 person from Tōhoku;  Tōhokuite
 Tōhoku dialect;  Tohoku dialect
 northeast Japan (northeast of the Itoigawa-Shizuoka Tectonic Line)
 northern Tohoku (usually Aomori, Iwate and Akita prefectures)
 southern Tohoku (usually Miyagi, Yamagata and Fukushima prefectures)
 Tōhoku earthquake (March 11, 2011);  Tohoku earthquake;  Sendai earthquake;  Great East Japan Earthquake
 Lepus brachyurus lyoni (subspecies of Japanese hare)