The Uetliberg railway line () is a passenger railway line which runs from the central station in the Swiss city of Zürich (Zürich Hauptbahnhof) through the city's western outskirts to the summit of the Uetliberg. The route serves as line S10 of the Zürich S-Bahn, with the Zürcher Verkehrsverbund's (ZVV's) standards zonal fares applying.