Henry FitzAlan, 4th Earl of Arundel (c. 1376–1415) was a prominent English nobleman during the late medieval period. He was the son of Richard FitzAlan, 3rd Earl of Arundel and Elizabeth de Bohun. Henry inherited the title of Earl of Arundel after his father's execution in 1397, becoming a key figure in the politics of the time. As Earl, Henry was involved in various military campaigns and served in the Hundred Years' War. He was also a supporter of King Henry IV during the early years of his reign. Henry FitzAlan's legacy continued through his descendants, who played significant roles in English history.