is a railway station in the town of Tatsuno, Kamiina District, Nagano Prefecture, Japan jointly operated by JR Central and JR East. It is managed by JR East. The station also has a freight terminal for the Japan Freight Railway Company (JR Freight).
Tatsuno Station is served by the old route of Chà «à  Main Line (Okaya-Shiojiri branch) and is 9.5 kilometers from the branching point of the line at Okaya Station and 219.9 from the terminus at Tokyo Station. It is also a station on the Iida Line, and is 195.7 kilometers from the terminus of that line at Toyohashi Station
The station consists of two ground-level island platforms serving four tracks, connected to the station building by a footbridge. The station has a Midori no Madoguchi staffed ticket office.
The station opened on 11 June 1906. The current station building was completed in 1983. With the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR East.
In fiscal 2017, the station was used by an average of 611 passengers daily (boarding passengers only).