is a passenger railway station located in the city of Iwakuni, Yamaguchi Prefecture, Japan. It is operated jointly by the West Japan Railway Company (JR West) and the third sector Nishikigawa Railway.
Kawanishi Station is served by the JR West Gantoku Line, and is located 5.6 kilometers from the terminus of the line at . It is also the nominal terminus of the 32.7 kilometer Nishikigawa Seiryà « Line from , although all trains continue past Kawanishi Station on the Gantoku Line tracks to terminate at Iwakuni.
The station consists of one side platform serving a single bi-directional track. The station is unattended.
|- !colspan=5|JR West
|- !colspan=5|Nishikigawa Railway
Kawanishi Station was opened on 16 April 1960. With the privatization of the Japan National Railway (JNR) on 1 April 1987, the station came under the aegis of the West Japan railway Company (JR West).
In fiscal 2020, the station was used by an average of 425 passengers daily.