is a railway station in Kashiwazaki, Niigata, Japan, operated by East Japan Railway Company (JR East).
Kasashima Station is served by the Shin'etsu Main Line and is 27.4 kilometers from the terminus of the line at .
The station consists of two elevated unnumbered opposed side platforms connected by a passage underneath, serving two tracks. The station is unattended.
Kasahima Station opened on 1 July 1952. With the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR East. A new station building was completed in 2004.