Kroppedal is a cultural-historical and astronomical museum in Vridsløsemagle 20 km (12 mi) from Copenhagen, Denmark. Kroppedal is the national museum of Danish astronomy, has a large archaeological unit, and an ethnological unit specializing in modern society.
Kroppedal was established in 2002 by an amalgamation of the Ole Rømer Museum and the Antiquarian Unit in Copenhagen County. The museum has a permanent exhibition centred on noted astromer and engineer Ole Rømer (1644-1710). Kroppedal is located near the site of Ole Rømer's Tusculanum Observatory. Its collections include his only surviving pendulum clock.