Maria Luisa Prosperi was an Italian Benedictine nun who lived from 1799 to 1847. Born in Perugia, she entered the Santa Lucia convent in Trevi, where she eventually served as abbess for many years. Known by her religious name, Maria Luisa Angelica, she was recognized by her community for her strict adherence to the Rule of Saint Benedict and her deep devotion to the Eucharist and the Sacred Heart of Jesus. Her spiritual life was marked by intense mystical experiences and visions.