Henry FitzAlan, 3rd Earl of Arundel (c. 1512–1580), was a prominent English nobleman during the Tudor period. He was the son of Henry FitzAlan, 2nd Earl of Arundel and inherited the title after his father's death. Henry was known for his loyalty to the Catholic Church and was involved in various political and military affairs of the time. As Earl, he played a significant role in the court of Queen Mary I and later Queen Elizabeth I. His life was marked by his opposition to the Protestant Reformation, which influenced his relationships with the monarchy. Henry's legacy includes his contributions to the Arundel Castle and the preservation of his family's heritage.