The David di Donatello Award for Best Supporting Actress (Italian: David di Donatello per la migliore attrice non protagonista) is a film award presented annually by the Accademia del Cinema Italiano (ACI, Academy of Italian Cinema) to recognize the outstanding performance in a supporting role of an actress who has worked within the Italian film industry during the year preceding the ceremony. It has been awarded every year since 1981.[1][2]