Karl Hasselmann (1883–1966) was a German cinematographer who worked on over a hundred films during a long career. He collaborated with Ewald André Dupont on a number of productions for Gloria Film such as Whitechapel. He worked on eleven films with Karl Grune.Hasselmann was born on 8 May 1883 in Hanover; he died at the age of 83 on 8 June 1966 in West Berlin.