Marriage Italian Style (Italian: Matrimonio all'italiana [matriˈmɔːnjo allitaˈljaːna]) is a 1964 romantic comedy-drama film directed by Vittorio De Sica, starring Sophia Loren and Marcello Mastroianni.
The film was adapted by Leonardo Benvenuti, Renato Castellani, Piero De Bernardi, and Tonino Guerra from the play Filumena Marturano by Eduardo De Filippo. Filumena Marturano had previously been adapted as a 1950 Argentine film.
Filumena Marturano (Neapolitan: [filuˈmɛːnə martuˈrɑːnə], Italian: [filuˈmɛːna martuˈraːno]), sometimes performed in English as The Best House in Naples, is a play written in 1946 by Italian playwright, actor and poet Eduardo De Filippo. It is the basis for the 1950 Spanish-language Argentine musical film Filomena Marturano, multiple Italian adaptations under its original title, and the 1964 film Marriage Italian Style.