Schmalenbeck is a station on the Großhansdorf branch of Hamburg U-Bahn line U1, located in the town of Großhansdorf, Schleswig-Holstein, Germany.

The station was built following schematics by Eugen Göbel in 1914 and was opened in 1921.

The second track at the station was added a year later, in 1922.

Schmalenbeck is served by Hamburg U-Bahn line U1.