Max Clemens Lothar Freiherr von Hausen (December 17, 1846 – March 19, 1922) was a German army commander. He participated in the Austro-Prussian and Franco-German Wars and became "Generaloberst" of Saxon troops and War Minister in the Kingdom of Saxony. At the beginning of the First World War, he was the head of the Third Army which he led during the Battles of the Frontiers, Charleroi, and the Marne. He was relieved of his command because of illness in September 1914.