Nishidai Station (西田井駅, Nishidai-eki) is a railway station in Mooka, Tochigi Prefecture, Japan, operated by the Mooka Railway.

Nishidai Station has two opposed side platforms connected to the station building by a level crossing.

[1] Nishidai Station opened on 11 July 1913[1] as a station on the Japanese Government Railway, which subsequently became the Japanese National Railways (JNR).

The station was absorbed into the JR East network upon the privatization of the JNR on 1 April 1987, and the Mooka Railway from 11 April 1988.

A new station building was completed in March 1998.