Kummersdorf is the name of an estate near Luckenwalde, around 25 km south of Berlin, in the Brandenburg region of Germany. Until 1945 Kummersdorf hosted the weapon office of the German Army which ran a development centre for future weapons as well as an artillery range.

The Royal Prussian Military Railway, also called the Königliche Militär-Eisenbahn, was a Prussian state railway, operated by the army, between Schöneberg and Kummersdorf, later extended to Jüterbog.