Shinano-Sakai Station (信濃境駅, Shinano-Sakai-eki) is a railway station in Sakai, in the town of Fujimi, Suwa District, Nagano Prefecture, Japan, operated by East Japan Railway Company (JR East).

[2] Shinano-Sakai Station is served by the Chūō Main Line and is 178.2 kilometers from the terminus of the line at Tokyo Station.

[2] Shinano-Sakai Station has two unnumbered opposed side platforms connected by a footbridge.

[2] The station opened on 1 November 1928.

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