Ōmagoshi Station is a railway station on the JR East Gonō Line located in the town of Fukaura, Aomori Prefecture, Japan. It is 39.9 rail kilometers from the southern terminus of the Gonō Line at Higashi-Noshiro Station. Ōmagoshi Station was opened on December 26, 1930 as a station on the Japanese Government Railways (JGR). With the privatization of the Japanese National Railways (the successor to the JGR) on April 1, 1987, it came under the operational control of JR East.
Ōmagoshi Station has a single side platform serving bidirectional traffic use. The station is unattended, and is managed from Fukaura Station. The station building is of identical design to that of Mutsu-Sawabe and Higashi-Hachimori.