Tramway Museum Darmstadt-Kranichstein, Transportation museum in Kranichstein, Darmstadt, Germany.

The Tramway Museum Darmstadt-Kranichstein is a transportation museum on a former railway yard, displaying over 200 historic vehicles and railway equipment. The collection includes different tram models from various eras, housed in the original railway yard buildings.

The museum grew out of the Darmstadt-Kranichstein railway museum, which in 1996 proposed marking the 1997 centenary of Darmstadt's electric tram with steam tramways. Steam trams had run in the city from 1886 to 1922. In 1998 the working group for historic HEAG vehicles was founded, and the depot opened in 2012.

The collection grew out of a 1996 proposal by the Darmstadt-Kranichstein railway museum to mark the 100th anniversary of Darmstadt's electric tram, which ran from 1886 to 1922 alongside steam trams. In 1998 the working group for historic HEAG vehicles was founded to save both steam and electric cars. The depot was part of the Route of Industrial Culture.

The depot for historic vehicles is now in the former "Chaplin Bowling" premises on Marburger Straße, not in Kranichstein; building regulations rule out a museum there, so it opens at most four times a year, mostly during the Bahnwelt Darmstadt-Kranichstein railway days. The steam tram Feuriger Elias is kept separately at the depot by the Frankenstein stop in Eberstadt.

The depot was part of the Route of Industrial Heritage. Since May 2023 no historic vehicles remain in the Kranichstein shed, because the space is needed for the new ST15 trams; the exhibits moved to the former "Chaplin Bowling" premises on Marburger Straße, where building regulations prevent a museum, so the collection opens at most four times a year.