The Duke of Reichstadt (German: Der Herzog von Reichstadt) is a 1931 French-German historical drama film directed by Viktor Tourjansky and starring Walter Edthofer, Lien Deyers and Grete Natzler.

It is the German-language version of the French film The Eaglet, based on the play L'Aiglon by Edmond Rostand.

[1] It takes its name from the formal Austrian title of Napoleon II, its central character.

It was shot at the Joinville Studios in Paris and on location around Vienna.

[2] The film's sets were designed by the art director Serge Piménoff.