John Beauchamp, 1st Baron Beauchamp of Powick, KG, (died April 1475) was an English nobleman and administrator. He was the son and eventual heir of Sir William Beauchamp of Powick in Worcestershire (ca. 1370–ca. 1421), Constable of Gloucester, and his wife, Katherine Usflete (d. after 1436).
More information on the Wikipedia page [1].