Sir John Harpeden (or Harpsden; French: Jean Harpedenne) was an English knight and administrator who served Edward III of England in France during the Hundred Years' War. He served as seneschal of Saintonge (1371–72) and seneschal of Aquitaine (1385–89). His descendants became French lords. He is called John Harpeden I or John Harpeden the Elder to distinguish him from his son, Jean Harpedenne II.