Duck in Orange Sauce () is a 1975 Italian comedy film directed by Luciano Salce from a screenplay by Bernardino Zapponi, based on the 1968 play The Secretary Bird by William Douglas-Home (adapted in French by Marc-Gilbert Sauvajon). For this film, Monica Vitti was awarded with a David di Donatello for Best Actress and with a Silver Ribbon in the same category. The film is named for the culinary dish duck ÃÂ l'orange.
When the wife wants to leave her husband in preference of a romantic Frenchman, the husband seemingly does not raise difficulties and invites his rival, along with his own secretary, for a weekend. His real purpose is taking her wife back through an elaborate plan.