is a passenger railway station located in the city of Tamba-Sasayama, Hyà Âgo Prefecture, Japan, operated by West Japan Railway Company (JR West).
Sasayamaguchi Station is served by the Fukuchiyama Line, and is located 58.4 kilometers from the terminus of the line at .
The station consists of one ground-level island platform and one ground-level side platform connected by an elevated station building. The station is staffed.
Sasayamaguchi Station opened on 25 March 1899 as . It was renamed to its present name on 1 March 1944. With the privatization of the Japan National Railways (JNR) on 1 April 1987, the station came under the aegis of the West Japan Railway Company.
Station numbering was introduced in March 2018 with Sasayamaguchi being assigned station number JR-G69.
In fiscal 2016, the station was used by an average of 3532 passengers daily