Story of a Cloistered Nun (Italian: Storia di una monaca di clausura, released as Unholy Convent and Diary of a Cloistered Nun) is a 1973 nunsploitation film directed by Domenico Paolella and starring Eleonora Giorgi, Catherine Spaak, Suzy Kendall, Martine Brochard, Tino Carraro, and Umberto Orsini. The film claims to be inspired by real events that occurred in the 16th-century at the Certosa di San Giacomo.