Lucy Brocadelli was a 15th-century Dominican tertiary and mystic from Narni, Italy. Born in 1476, she was known for her intense spiritual experiences, including receiving the stigmata in Viterbo in 1496. After a brief marriage to Count Pietro di Alessio, she dedicated her life to the Dominican Order, eventually serving as a prioress. She is recognized for her role as a spiritual advisor to the Duke of Ferrara and for establishing new convents. She died in Ferrara in 1544 and is venerated as a blessed in the Catholic Church.