Klinger is a surname. Notable people with the surname include:
Bob Klinger (1908–1977), American baseball playerChad Klinger, Canadian country music artistDietmar Klinger (born 1958), German football playerFausto Klinger (born 1976), Ecuadorian soccer playerFriedrich Maximilian Klinger (1752–1831), German dramatist and novelistGustav Klinger (1876–1937), Russian Bolshevik politicianJeff Klinger, American comedianJoe Klinger (1902–1960), American baseball playerJulius Klinger (1876–1942), Austrian painter and illustratorLeslie S. Klinger (born 1946), American attorney and writerMargrit Klinger (born 1960), West German middle distance runnerMarino Klinger (1936–1975), Colombian footballerMartin Klinger (born 1980), Ecuadorian association football playerMax Klinger (1857–1920), German symbolist artistMaxwell Klinger, fictional character from the M*A*S*H TV seriesMichael Klinger (producer) (1921–1989), British film producerMichael Klinger (born 1980), Australian cricketerMiroslav Klinger (1893–1979), Czech gymnastNir Klinger (born 1966), Israeli football manager and former playerRon Klinger, Australian bridge player and authorStefan Klinger (born 1978), German ski mountaineerTim Klinger (born 1984), German professional road bicycle racer