Prince Cuckoo () is a 1919 German silent drama film directed by Paul Leni and starring Conrad Veidt, Olga Limburg, and Magnus Stifter. It premiered at the Marmorhaus. It is now considered a lost film.
It was shot at the Babelsberg Studios in Berlin. The film's sets were designed by the art directors Karl Machus and Otto Moldenhauer along with Leni.