The 1st Bavarian Reserve Division (1. Bayerische Reserve-Division) was a unit of the Royal Bavarian Army, part of the German Army, in World War I. The division was formed on mobilization of the German Army in August 1914 as part of I Royal Bavarian Reserve Corps. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was raised and recruited in Bavaria. As a reserve division, it included a large number of recalled reservists and war volunteers.