| Ōzawanai Station | |
| Native Name: | 大沢内駅 |
| Native Name Lang: | ja |
| Address: | 48-2 Umihara, Ōzawanai, Nakadomari-machi, Kitatsugaru-gun, Aomori-ken 037-0311 |
| Country: | Japan |
| Coordinates: | 40.9402°N 140.4374°W |
| Operator: | Tsugaru Railway Company |
| Line: | Tsugaru Railway Line |
| Distance: | 17.7 km from |
| Platforms: | 1 (1 side platform) |
| Tracks: | 1 |
| Status: | Unstaffed |
| Opened: | October 4, 1930 |
| Rebuilt: | 1967 |
| Map Type: | Japan Aomori Prefecture#Japan |
is a railway station on the Tsugaru Railway Line in the town of Nakadomari, Aomori, Japan, operated by the private railway operator Tsugaru Railway Company.
Ōzawanai Station is served by the Tsugaru Railway Line, and is located 17.7 km from the terminus of the line at .
The station has one ground-level side platform serving a single bidirectional line. The station is unattended.
Ōzawanai Station was opened on October 4, 1930. The station building was reconstructed in 1967.