Marriage Italian Style ( also Matrimonio all'italiana ) is a 1964 film which tells the story of a successful businessman who keeps a woman as his mistress for several years, who plans to marry another woman until his mistress makes her own plans. It stars Sophia Loren, Marcello Mastroianni and Vito Moricone.

The movie was adapted by Leonardo Benvenuti, Renato Castellani, Piero De Bernardi and Tonino Guerra from the play and teleplay by Eduardo De Filippo. It was directed by Vittorio De Sica.

It was nominated for Academy Awards for Best Foreign Language Film in 1966, and for Best Actress in a Leading Role in 1965.

Marriage Italian Style is a remake of the 1950 Spanish language Argentine musical film Filomena Marturano, which was adapted by Ariel Cortazzo and María Cruz Regás. It was directed by Luis Mottura. It stars Tita Merello and Guillermo Battaglia.