Korn is a German surname of Jewish origin. Notable people with the surname include:
Alejandro Korn (1860–1936), Argentine physician, psychiatrist, philosopher and politician Arthur Korn (1870–1945), German physicist, mathematician and inventor Arthur Korn (architect) (1891–1978), German architect and urban planner David Korn (computer scientist) (born 1943), American computer scientist David A. Korn (1930–2022), American diplomat and writer Dieter Korn (born 1958), German paleontologist Jim Korn (born 1957), American ice hockey player Jiří Korn (born 1949), Czech singer-songwriter M. F. Korn, American writer Marian Korn (1914–1987), Czech-American printmaker Theresa Marie Korn (1926–2020), American engineer Walter Korn (1908–1997), Czech-born American author of chess books