Castles in the Air (Italian: Castelli in aria) is a 1939 Italian "white-telephones" comedy film directed by Augusto Genina and starring Lilian Harvey, Vittorio De Sica and Otto Treßler. It was made at Cinecittà in Rome, as part of a co-production with Germany. A separate German-language version was also released. It is based on a novel by .