Nanakubo Station (七久保駅, Nanakubo-eki) is a railway station on the Iida Line in the town of Iijima, Kamiina District, Nagano Prefecture, Japan, operated by Central Japan Railway Company (JR Central).

Nanakubo Station is served by the Iida Line and is 152.3 kilometers from the starting point of the line at Toyohashi Station.

The station consists of one ground-level side platform and one ground-level island platform connected by a level crossing.

Nanakubo Station opened on 23 July 1918.

With the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR Central.