John Bourchier, 1st Baron Berners, KG (died May 1474) was an English peer. Bourchier was the fourth son of William Bourchier, 1st Count of Eu, and his wife Anne of Woodstock, Countess of Buckingham, daughter of Thomas of Woodstock, 1st Duke of Gloucester. Henry Bourchier, 1st Earl of Essex, and William Bourchier, 9th Baron FitzWarin jure uxoris, were his elder brothers. He was knighted in 1426 and in 1455 he was summoned to the House of Lords as John Bourchier de Berners, which created the title of Baron Berners. In 1459 he was further honoured when he was made a Knight of the Garter. He also served as Constable of Windsor Castle from 1461 to 1474.