Ōtagawa Station (太田川駅, Ōtagawa-eki) is a junction railway station in the city of Tōkai, Aichi Prefecture, Japan, operated by Meitetsu.

Ōtagawa Station is served by the Meitetsu Tokoname Line, and is located 12.3 kilometers from the starting point of the line at Jingū-mae.

It is also a terminal station for the Meitetsu Kōwa Line and is 28.0 kilometers from the opposing terminal of the station at Kōwa.

The privately owned Chita Railways connected to the station on April 1, 1931.

[5] The tracks were elevated from 2007 to 2008 and the station building rebuilt from 2010 to 2012.