Klinger is a surname. Notable people with the surname include:
Bob Klinger (1908–1977), American baseball player
Chad Klinger (active 1998–2013), Canadian country music artist
Chajka Klinger (1917–1958), member of Jewish resistance of Będzin ghetto
David Klinger (born 1958), American criminologist and former police officer
Dietmar Klinger (born 1958), German football player
Fausto Klinger (born 1953), Ecuadorian footballer
Friedrich Maximilian Klinger (1752–1831), German dramatist and novelist
Georgette Klinger (1915–2004), Czech-born American businesswoman and cosmetologist Gustav Klinger (1876–1937), Russian Bolshevik politician Joe Klinger (1902–1960), American baseball player Josefina Klinger Zúñiga (born 1965), Colombian environmentalist Julie Michelle Klinger (born 1983) American geographer Julius Klinger (1876–1942), Austrian painter and illustrator Leslie S. Klinger (born 1946), American attorney and writer Margrit Klinger (born 1960), West German middle distance runner Marino Klinger (1936–1975), Colombian footballer Martin Klinger (born 1980), Ecuadorian association football player Max Klinger (1857–1920), German symbolist artist Michael Klinger (producer) (1921–1989), British film producer Michael Klinger (born 1980), Australian cricketer Miroslav Klinger (1893–1979), Czech gymnast Nir Klinger (born 1966), Israeli football manager and former player Ron Klinger (born 1941), Australian bridge player and author William Klinger (1972−2015), Croatian historian Stefan Klinger (born 1978), German ski mountaineer Tim Klinger (born 1984), German professional road bicycle racer