Killwangen-Spreitenbach railway station (German: Bahnhof Killwangen-Spreitenbach) is a railway station in the municipality of Killwangen in the Swiss canton of Aargau.

As the name suggests, the station also serves the adjacent municipality of Spreitenbach.

[4][1] The station is located on the Zürich–Baden railway line, just east of the point where the newer route via the Heitersberg Tunnel diverges from the original line via Baden.

[1][5] The station is the western terminus of the Limmattal light rail line from Zürich Altstetten station, providing local service along the Limmat Valley.

[6] As of the December 2023 timetable change,[update] the following services stop at Killwangen-Spreitenbach:[7] The S11 and S12 combine for service every fifteen minutes between Killwangen-Spreitenbach and Winterthur.