is a railway station located in the city of Niihama, Ehime Prefecture, Japan. It is operated by JR Shikoku and has the station number "Y29".It is also a freight depot for the Japan Freight Railway Company (JR Freight).
Niihama Station is served by the JR Shikoku Yosan Line and is located 103.1 km from the beginning of the line at Takamatsu. Yosan line local trains which serve this station ply the - sector. Passengers on local services continuing eastwards or westwards have to change trains. The Rapid Sunport, and Nanpà « Relay local trains serve this station and provide a through service to .
In addition, the following JR Shikoku limited express services also serve the station:
The station consists of an island platform and a side platform serving three tracks. The station building houses a waiting room, shops, a JR Midori no Madoguchi ticket window and a JR Travel Centre (Warp Plaza). Car parking and rental are available. The island platform is reached by means of a bridge equipped with elevators for barrier-free access.
Numerous sidings and passing loops branch off on the south side of the station serving a freight container platform and freight yard.
Niihama Station opened on 21 June 1921 as an intermediate stop when the then Sanuki Line was extended westwards from to . At that time the station was operated by Japanese Government Railways, later becoming Japanese National Railways (JNR). With the privatization of JNR on 1 April 1987, control of the station passed to JR Shikoku and JR Freight.
On 25 September 2017, JR Shikoku completed a barrier-free upgrade project for the station. The existing footbridge linking the platforms was replaced by a new bridge equipped with elevators.
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