Fritz Cassirer

left to right, Cassirer with Julius Buths, Frederick Delius, Hans Haym and Jelka Delius, 1905

Friedrich (Fritz) Leopold Cassirer, (29 March 1871 – 26 November 1926) was a German conductor. He was one of the early proponents of the music of Frederick Delius, and conducted the premiere of Delius's first opera.