Stefania Sandrelli (born 5 June 1946) is an Italian actress, famous for her many roles in the "Italian-style comedy" (commedia all'italiana), starting from the 1960s. She was 14 years old when she starred in Divorce Italian Style as Angela, the cousin and love interest of Ferdinando, played by Marcello Mastroianni. Sandrelli was born in Viareggio, Tuscany, into a middle-class family, the daughter of Florida and Otello Sandrelli (who died when she was eight years old), owners of a pension in Viareggio.

As a girl, Sandrelli studied ballet and learned to play the accordion. Sandrelli had a brother, Sergio, seven years older, who had a successful music career and died in 2013