| Ōsawa Station | |
| Style: | JR East |
| Native Name: | 大沢駅 |
| Native Name Lang: | ja |
| Address: | Ōsawa, Minamiuonuma-shi, Niigata-ken 949-6361 |
| Country: | Japan |
| Coordinates: | 37.0217°N 138.8217°W |
| Operator: | JR East |
| Line: | Jōetsu Line |
| Distance: | 104.6 km from |
| Platforms: | 2 side platforms |
| Tracks: | 2 |
| Status: | unstaffed |
| Map Type: | Japan |
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 .
The station has a two ground-level opposed side platforms connected by a footbridge. The station is unattended.
Ōsawa Station opened on 28 May 1949. Upon the privatization of the Japanese National Railways (JNR) on 1 April 1987, it came under the control of JR East.