Breu is a surname. Notable people with the surname include:Beat Breu, Swiss former road bicycle racer Josef Breu (1914–1998), Austrian geographer and cartographer Jörg Breu, multiple people Jörg Breu the Elder, painter of the German Danube school Jörg Breu the Younger (1510–1547), son of Jörg Breu the Elder, was a painter of Augsburg Lurdes Breu, Portuguese municipal mayor Reinhold Breu, German football manager and former player