Ilse Koch
- Birth Date
- 9/22/1906 - 9/1/1967
- Birth Place
- Dresden, Germany
- Known For
- Acting

Ilse Koch, born Margarete Ilse Köhler was the wife of Karl-Otto Koch commandant of the Nazi concentration camps Buchenwald (1937–1941) and Majdanek (1941–1943). In 1947, she became one of the first prominent Nazis tried by the U.S. military.
