Nishi-Kozakai Station (西小坂井駅, Nishi-Kozakai-eki) is a railway station in the city of Toyokawa, Aichi Prefecture, Japan, operated by Central Japan Railway Company (JR Tōkai).

Nishi-Kozakai Station began operations on June 10, 1945 as Nishi-Ina Signal (西伊奈信号場, Nishi-Ina-shingō-shō) on the Tōkaidō Main Line.

With the dissolution and privatization of the JNR on April 1, 1987, the station came under the control of the Central Japan Railway Company (JR Tōkai).

Automated turnstiles using the TOICA IC Card system came into operation from November 25, 2006.

[3] Media related to Nishi-Kozakai Station at Wikimedia Commons