My Niece Susanne (German: Meine Nichte Susanne) is a 1950 West German musical comedy film directed by Wolfgang Liebeneiner and starring Hilde Krahl, Inge Meysel and Harald Paulsen.

It is based on an operetta of the same title written by Hans Adler (based on Eugène Labiche's Les Trente Millions de Gladiator) with music composed by Alexander Steinbrecher [de].

The operetta had previously been made into the unfinished 1945 film Die tolle Susanne [de] by Géza von Bolváry.

The film's sets were designed by the art director Walter Haag.

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