Oberaach railway station (German: Bahnhof Oberaach) is a railway station in the village of Oberaach, within the municipality of Amriswil, in the Swiss canton of Thurgau.

It is an intermediate stop on the Winterthur–Romanshorn line and is served by local trains only.

Oberaach is served by the S10 of the St. Gallen S-Bahn:[1]