Regensdorf-Watt is a railway station in Switzerland, situated in the municipality of Regensdorf. The station is located between the towns of Regensdorf and Watt on the Wettingen-Effretikon railway line (Furttal line), within fare zone 111 of the Zürcher Verkehrsverbund (ZVV).
The station is a stop on the Zurich S-Bahn system. It is served by line S6 and the peak hour-only S21 service, which terminates here. The S21 runs non-stop from , with limited services calling also at . On weekends, there is a nighttime S-Bahn service (SN6) offered by Zürcher Verkehrsverbund (ZVV).
Summary of all S-Bahn services:
The station is an important hub in the Furttal for regional buses of Verkehrsbetriebe Glattal (VBG).