Erna Schlüter (5 February 1904 – 1 December 1969) was a German operatic dramatic soprano and voice teacher. Beginning as a contralto at the Oldenburgisches Staatstheater in 1922, she moved to the Nationaltheater Mannheim in 1925 where her voice developed to dramatic soprano, to the Stadttheater Düsseldorf in 1930 where she appeared in 1933 in the world premiere of Winfried Zillig's Der Rossknecht and was awarded the title Kammersängerin. Her last station, from 1940, was the Hamburg State Opera.