Klostermann is a German surname. Notable people with the surname include:
August Klostermann (1837–1915), German theologian Erich Klostermann (1870–1963), German New Testament scholar; son of August Klostermann Karel Klostermann (1848–1923), Czech and Austrian writer Lukas Klostermann (born 1996), German footballer
See also Closterman Pierre Clostermann (1921–2006), World War II French fighter pilot Kloosterman
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