John Beauchamp or John de Beauchamp may refer to:

• John de Beauchamp (MP for New Shoreham) (fl. 1330s), English politician
• John Beauchamp (MP for New Shoreham) (fl. 1330s–1340s), may well be the same person as the one above
• John de Beauchamp of Fifield, Member of Parliament for Essex, 1290
• John de Beauchamp, 1st Baron Beauchamp (first creation) (1274–1336)
• John de Beauchamp, 2nd Baron Beauchamp (first creation) (1304–1343) of Somerset
• John de Beauchamp, 1st Baron Beauchamp (second creation) (c. 1316–1360), also known as 1st Baron Beauchamp de Warwick
• John de Beauchamp, 3rd Baron Beauchamp (1329–1361), also known as 3rd Baron Beauchamp de Somerset
• John de Beauchamp, 1st Baron Beauchamp (fourth creation) (died 1388), administrator and landowner, also known as 1st Baron Beauchamp of Kidderminster
• John Beauchamp (died 1420), MP for Worcestershire 1401, 1404, 1414
• John Beauchamp, 1st Baron Beauchamp (fifth creation) (c. 1400–1475), nobleman and administrator
• John Beauchamp (Plymouth Company) (1592–1655), backer of the Plymouth Company
• John Beauchamp (cricketer) (1825–1911), English cricketer

• Baron Beauchamp, multiple other individuals