Effretikon is a railway station in the Swiss canton of Zürich and municipality of Illnau-Effretikon.

The station, which takes its name from the village of Effretikon, is located on the Zürich to Winterthur main line at the junction point with the Effretikon to Hinwil line.

[2][3] Effretikon is an important junction in the Zürich S-Bahn network.

For most of the day it is also the outer terminus of S-Bahn service S19, although in peak periods some trains continue to Pfäffikon ZH.

[4] On weekends, there are three nighttime S-Bahn services (SN1, SN6, SN8) offered by ZVV.