The prolific writer, who contributed to classics including Bicycle Thieves and The Leopard, passed away in her hometown of Rome on Saturday (31Jul10). The cause of death has yet to be confirmed.
Cecchi D'Amico racked up over 100 film credits during her career and was nominated for an Academy Award for her 1965 comedy Casanova 70.
Italian President Giorgio Napolitano has led the tributes to the star, hailing her as a "great protagonist of one of the best seasons of Italian cinema".
Cecchi D'Amico was awarded a Golden Lion in acknowledgement of her lifetime achievements at the 1994 Venice Film Festival.
She is survived by her three children and a funeral is scheduled in the Italian capital on Monday (02Aug10), reports the Associated Press.