Hiraiwa Station (平岩駅, Hiraiwa-eki) is a railway station in Itoigawa, Niigata, Japan, operated by West Japan Railway Company (JR West).

Hiraiwa Station is served by the Ōito Line and is 14.9 kilometers from the intermediate terminus of the line at Minami-Otari Station, and is 85.0 kilometers from the terminus of the line at Matsumoto Station.

The station consists of one ground-level side platform serving a single bi-directional track, connected to the station building by a level crossing.

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

This Niigata Prefecture railroad station-related article is a stub.