Tadachi Station (田立駅, Tadachi-eki) is a railway station in the town of Nagiso, Nagano Prefecture, Japan, operated by Central Japan Railway Company (JR Tōkai).

Tadachi Station is served by the JR Tōkai Chūō Main Line, and is located 304.3 kilometers from the official starting point of the line at Tokyo and 92.6 kilometers from Nagoya.

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

It was elevated to a full passenger station on 1 September 1948.

On 25 May 1973, the station was relocated to its present address, 150 meters in the direction of Sakashita Station from its original location.