Fritz Beinke was a German genre painter of the Düsseldorf School.

Beinke attended the Düsseldorf Art Academy from 1859 to 1867, where he was a student of Andreas and Karl Müller, Karl and Wilhelm Sohn and Eduard Bendemann. He undertook several study trips to northern Italy and Germany. In 1871 he won a prize at a Cologne exhibition, and in 1879 first prize at an exhibition in Sydney. Beinke was a member of the artists' association Malkasten.