Au ZH railway station () is a railway station in Switzerland, situated in the village of Au in the municipality of Wädenswil in the canton of Zurich (abbreviated to ZH), near the Au Peninsula. The station is located on the Lake Zurich left bank railway line, within fare zone 152 of the Zürcher Verkehrsverbund (ZVV).
As conventions change, the station's name "Au ZH" was previously written "Au (ZH)" or "Au (Zürich)".
Au ZH railway station is served by line S8 of the Zurich S-Bahn, which operates between Winterthur and Pfäffikon, via Zurich. Other S-Bahn services and long distance trains pass through. the following services call at Au ZH:
During weekends (Friday and Saturday nights), there is also a nighttime S-Bahn service (SN8) offered by ZVV.
The station is also served by bus routes of Zimmerbergbus.