John Beauchamp, 1st Baron Beauchamp of Powick, was an English nobleman and administrator. He was the son and eventual heir of Sir William Beauchamp of Powick in Worcestershire, Constable of Gloucester Castle, by his wife, Katherine Usflete, daughter and heiress of Sir Gerard de Usflete, a Member of Parliament for Yorkshire in 1401.
- Position held
- Lord High Treasurer
- Born
- 1401
- Died
- April 1475
