Ōzawanai Station (大沢内駅, Ōzawanai-eki) 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 Goshogawara.

The station has one ground-level side platform serving a single bidirectional line.

Ōzawanai Station was opened on October 4, 1930.

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