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