Karl Rahm (2 April 1907 – 30 April 1947) was a Sturmbannführer (Major) in the German Schutzstaffel who, from February 1944 to May 1945, served as the Commandant of the Theresienstadt concentration camp. Rahm was the third and final commander of the camp, succeeding Siegfried Seidl and Anton Burger.