The 15th Division (15. Division) was a unit of the Prussian/German Army. It was formed as the 16th Division on September 5, 1818 in Cologne from the 4th Brigade of the Army Corps in France. It became the 15th Division on December 14, 1818. The division was subordinated in peacetime to the VIII Army Corps (VIII. Armeekorps). The division was disbanded in 1919 during the demobilization of the German Army after World War I. It was recruited in the densely populated Prussian Rhine Province, mainly in the Lower Rhine region.