Heinrich August Winkler (* 1938 in Königsberg); is a German historian.
After he attented the Gymnasium in Ulm, he studied history, political science, philosophy and public law in Münster, Heidelberg and Tübingen. In 1970 he became professor at the Free University of Berlin. From 1972 to 1991 he was professor at the University of Freiburg. Since 1991 he has held a chair of modern history at the Humboldt University Berlin.