Dietikon railway station is a railway station in Switzerland, situated in the canton of Zürich and the city of Dietikon. The station is located on the Swiss Federal Railway's Zürich to Olten main line and is also the terminus of the metre gauge Bremgarten–Dietikon railway (BD).

Dietikon is the fifth biggest city of the canton of Zürich in Switzerland, after Zürich, Winterthur, Uster and Dübendorf. It is the capital of the same-named district of Dietikon and part of the Zürich metropolitan area.