Oberwinterthur railway station (German: Bahnhof Oberwinterthur) is a railway station that serves Oberwinterthur, which is district number 2 in Winterthur, a city in the Canton of Zurich, Switzerland. Opened in 1855, the station is of simple design, and is owned and operated by the Swiss Federal Railways. It is served by four Zürich S-Bahn lines. As the terminus of three regional bus lines, it is also a transfer station for commuters.