Karl Schlesinger
Karl Schlesinger is the name of the following people:
- Karl Schlesinger (cellist) (also Carl Schlesinger ; 1813–1871), German cellist
- Karl Schlesinger (painter) (also Carl Schlesinger ; 1825–1893), Swiss-German painter
- Karl Schlesinger (economist) (1889–1938), Austrian economist and banker
- Karl Markus Schlesinger (1847–1897), Austrian dancer, actor and singer (bass)