Didi Perego (born Aida Perego; 13 April 1935 – 28 June 1993) was a statuesque Italian actress who appeared in more than 80 films and television shows.

The same year, she starred in perhaps her best-known role as Sofia in Kapo.

She won the Nastro d'Argento for Best Supporting Actress from the Italian National Syndicate of Film Journalists.

She worked steadily, mainly in Italian productions, while later having a supporting role in Sidney Lumet's 1969 film psycho-drama The Appointment.

She also appeared in several British television series including The Avengers, Mr Rose and Man in a Suitcase.