Valldoreix is a railway station in Sant Cugat del Vallès in the province of Barcelona, Catalonia, Spain. It is served by lines S1, S2, S5, S6 and S7 of the Metro del Vallès commuter rail system, which are operated by Ferrocarrils de la Generalitat de Catalunya, who also run the station.

The station is on a curve, with twin tracks, with two side platforms. It is in fare zone 2C of the Autoritat del Transport Metropolità fare system.

Although the line through Valldoreix opened in 1917, linking Les Planes with Sant Cugat del Vallès, the station did not open until 1931.

• 
  The station platforms
• 
  Valldoreix station

• Media related to Valldoreix train station at Wikimedia Commons