Kokubo Station is a train station on the Minobu Line of Central Japan Railway Company (JR Central) located in the town of Shōwa, Nakakoma District, Yamanashi Prefecture, Japan. The station is located 81.2 rail kilometers from the southern terminus of the Minobu Line at Fuji Station. Although officially in the town of Shōwa, the border with the city of Kōfu runs through the middle of the station.