is a railway station in Abira, Hokkaido, Japan, operated by Hokkaido Railway Company (JR Hokkaido). The station is numbered K15.
Oiwake Station is served by the Muroran Main Line and Sekishà  Line.
The station has two ground-level platforms serving four tracks. The station has a "Midori no Madoguchi" staffed ticket office. The Kitaca farecard cannot be used at this station.
The station opened on 1 November 1892. With the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR Hokkaido.