Anthony della Chiesa was a 15th-century Italian Dominican priest known for his preaching and leadership within the Order of Preachers. Born into a noble family in San Germano Vercellese, he renounced his aristocratic ties to pursue a religious vocation. He served in various capacities, including as a prior in locations such as Como, Florence, Savona, and Bologna. Throughout his career, he was recognized for his ability to reform monastic life and for his active opposition to the antipope Felix V.