George Klein may refer to: George Klein (inventor) (1904–1992), Canadian inventor George Klein (comics) (died 1969), American comic book artist George Klein (biologist) (1925–2016), Hungarian-Swedish biologist and writer George Klein (DJ) (born 1935–2019), disc jockey and television host George Klein (Canadian football) (1932–?), Canadian football player George S. Klein (1917–1971), American psychologist and psychoanalyst Adam Klein (swimmer) (George Klein IV, born 1988), American swimmer George G. Klein (soldier) (born c.1921), W.W.II U.S. Army veteran