Kuzakai Station (区界駅, Kuzakai-eki) is a railway station on the Yamada Line in the city of Miyako, Iwate, Japan, operated by East Japan Railway Company (JR East).

Kuzakai Station is served by the Yamada Line, and is located 35.6 kilometers from the terminus of the line at Morioka Station.

Kuzakai Station has two opposed side platforms connected to the station building by a level crossing.

[1] The station was absorbed into the JR East network upon the privatization of the Japanese National Railways (JNR) on 1 April 1987.

[1] 2020: New station building opened In fiscal 2015, the station was used by an average of 1 passenger daily (boarding passengers only).