Otto Abetz (3 March 1903 in Schwetzingen, Germany – 5 May 1958) was a German diplomat. In 1931, he became a member of the NSDAP and worked until 1934 as "Reichsjugendführer". Starting in 1935, he worked for Joachim von Ribbentrop as expert for French. He was German ambassador for the Vichy-Government from 1940 to 1944.