Tazawa Station (田沢駅, Tazawa-eki) is a train station in the city of Azumino, Nagano Prefecture, Japan, operated by East Japan Railway Company (JR East).

Tazawa Station is served by the Shinonoi Line and is 21.6 kilometers from the terminus of the line at Shiojiri Station.

[1] The station consists of one ground-level island platform serving a two tracks, connected to the station building by an underground passage.

Tazawa Station opened on 15 June 1902.

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