Ōsawa Station (大沢駅, Ōsawa-eki) is a railway station on the Jōetsu Line in the city of Minamiuonuma, Niigata, Japan, operated by the East Japan Railway Company (JR East).

Ōsawa Station is a station on the Jōetsu Line, and is located 104.6 kilometers from the starting point of the line at Takasaki.

The station has a two ground-level opposed side platforms connected by a footbridge.

Upon the privatization of the Japanese National Railways (JNR) on 1 April 1987, it came under the control of JR East.

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