Chōkai (鳥海町; -machi) was a town located in Yuri District, Akita, Japan.
On March 22, 2005 the city of Honjō and the towns of Chōkai, Higashiyuri, Iwaki, Nishime, Ōuchi, Yashima and Yuri, all from Yuri District, merged to form the new city of Yurihonjō.
In 2003, the town had an estimated population of 6,359 and a density of 19.72 persons per km². The total area is 322.53 km². The town is named for the nearby Mount Chōkai which is on the boundary of Akita Prefecture and Yamagata Prefecture, SW of town.
Chōkai contains several villages, including Jinego (上笹子; Kami-Jinego), Fushimi (伏見), Kawauchi (上川内; Kami-Kawauchi), and Hitane (上直根; Kami-Hitane). Highway 108 is the town's largest highway, connecting to Yuri and Honjō in the NW and Highway 13 in the SE.
There are two rivers in Chōkai -- Koyoshi River and Jinego River.