The Hohenzollern Redoubt (Hohenzollernwerk) was a defensive strongpoint of the German 6th Army on the Western Front during World War I, at Auchy-les-Mines near Loos-en-Gohelle in the Nord-Pas-de-Calais region of France. Named after the House of Hohenzollern, the redoubt was fought over by German and Allied forces.