Dagmar Barnouw (née Heyse, 22 March 1936 – 14 May 2008) was a German cultural historian. From 1988 until her death, she served as professor of German and comparative literature at the College of Letters, Arts and Sciences at the University of Southern California (USC). The author of 11 books and 150 articles, Barnouw's work included Weimar Intellectuals and the Threat of Modernity (1988); Germany 1945: Views of War and Violence (1997); and The War in the Empty Air: Victims, Perpetrators, and Postwar Germans (2005).