Korn is a surname. Notable people with the surname include:

• Alejandro Korn, Argentine physician, psychiatrist, philosopher, reformist and politician
• Arthur Korn (1870–1945), devised practical phototelegraphy in 1902
• Arthur Korn (architect) (1891–1978), architect and urban planner
• David Korn (computer scientist), programmer, created the Korn shell
• Dieter Korn (1958), German paleontologist specializing in Ammonites
• Jim Korn, retired professional ice hockey player
• Jiří Korn, Czech musician and actor
• M. F. Korn, American science fiction author
• Marian Korn (1914-1987), Czechoslovakian-born printmaker
• Walter Korn (1908–1997), Prague-born author of chess opening books

• Grossschonau (Sachsen)
• Grossschonau, Saxony
• Gross Schwechten
• Grossschweidnitz
• Gross-Schweinbarth
• Gross Schwiesow
• Gross Schärhorn
• Gross Seehorn
• Grossseifen
• Grosssiedlung Siemensstadt
• Gross-Siegharts
• Gross Siemz
• Grosssoelk
• Grosssolk
• Grosssolt
• Gross Spannort
• Gross's stinkfish
• Gross's Stinkfish
• Gross State Domestic Product of Indian states
• Gross state product of States and Union Territories of India
• Grosssteffelsdorf
• Grosssteinbach
• Grosssteinhausen
• Gross Stieten
• Gross St. Martin