
Karl Seebach (28 June 1912 in Munich – 18 July 2007 in Munich) was a German mathematician.
Seebach earned his doctorate at the Ludwig-Maximilians-Universität München (LMU Munich) under Heinrich Tietze and Arnold Sommerfeld, in 1938. From 1977 to 1981, he held the Chair for Didactics of Mathematics at LMU Munich.
Seebach was the author of many mathematics textbooks for the Gymnasium.