Humphrey de Bohun, 3rd Earl of Hereford (c. 1309–1361), was a prominent English nobleman during the 14th century. He was the son of Humphrey de Bohun, 2nd Earl of Hereford and Elizabeth of Rhuddlan, linking him to significant royal bloodlines. As Earl, he played a vital role in the political landscape of England, particularly during the reign of Edward III. Humphrey was also known for his military involvement, participating in various campaigns, including the Hundred Years' War. He held several important positions, such as the Lord High Constable of England, which underscored his influence and status in medieval society. His legacy continued through his descendants, who maintained the family's noble standing.