The Gunzenhauser Museum (German: Museum Gunzenhauser) is a museum and art gallery located in Chemnitz, the third largest city of Saxony, Germany. It contains 2,459 works by 270 modern artists of the 20th century that have been collected by the art dealer Dr. Alfred Gunzenhauser. The Gunzenhauser Museum was inaugurated in December 2007 in the presence of German President Horst Köhler and is one of the most important museums of modern art in Germany.