Nishi-Ōsaki Station (西大崎駅, Nishi-Ōsaki-eki) is a railway station on the Rikuu East Line in the city of Ōsaki, Miyagi Prefecture, Japan, operated by East Japan Railway Company (JR East).

Nishi-Ōsaki Station is served by the Rikuu East Line, and is located 21.9 rail kilometers from the terminus of the line at Kogota Station.

Nishi-Ōsaki Station has one side platform, serving a single bi-directional track.

The station was absorbed into the JR East network upon the privatization of JNR on 1 April 1987.

Media related to Nishi-Ōsaki Station at Wikimedia Commons