Karl Koch is the name of:
- Carl Koch (director) (1892–1963), also spelled Karl Koch, German film director, writer
- Karl Koch (botanist) (1809–1879), German botanist
- Karl Koch (Fallschirmjäger) (1918–2006), member of the Fallschirmjäger during World War II and recipient of the Knight's Cross of the Iron Cross
- Karl Koch (hacker) (1965–1989), German computer hacker from the 1980s
- Karl Koch (Weezer) (born 1969), musician in the band Weezer
- Karl-Otto Koch (1897–1945), commandant of the Nazi concentration camp at Buchenwald
- Karl-Rudolf Koch (born 1935), German geodesist
- Walter Karl Koch (1880–1962), German surgeon
Famous quotes containing the word karl:
“Russian Communism is the illegitimate child of Karl Marx and Catherine the Great.”
—Clement Attlee (1883–1967)