Stefan Heymann (March 14, 1896 – February 3, 1967) was a German diplomat, politician, and Holocaust survivor.

At the conclusion of the war, he took part in the proclamation of a Soviet in the Palatinate alongside Ernst Toller and Erich Mühsam.

In 1924 he was sentenced by a court in Leipzig to three and a half years in prison for "preparing for high treason", but was pardoned in 1926.

The marriage produced two children, daughter Sonja Nerlich (née Heyman) and Dr. Dieter Heymann.

[9] He then became head of the press department in the Ministry for Foreign Affairs and in 1960 professor at the Walter Ulbricht Academy of Political Science and Law.