Una Femmina: The Code of Silence (Italian: Una femmina, lit. 'A woman') is a 2022 Italian crime drama film co-written and directed by Francesco Costabile, at his directiorial debut. It is loosely based on an investigative book by Lirio Abbate, with the main character Rosa incorporating various characters and stories of the book.

The film premiered in the Panorama section of the 72nd Berlin International Film Festival, and was later screened at the 56th Karlovy Vary International Film Festival. It was nominated for two David di Donatello awards, for best new director and for best screenplay. At the 2022 Nastro d'Argento, Lina Siciliano was awarded Revelation Actress of the Year.