John Cornwall

John Cornwall may refer to:

• John Cornwall (died 1414), English politician
• John Cornwall, 1st Baron Fanhope ( – 1443), English soldier
• John Cornwall (died 1608), English politician
• John Cornwall (Upper Canada politician) ( – 1800)
• John Cornwall (South Australian politician) (1935–2018)

See also

• John Cornwell (disambiguation), various people
• John of Cornwall (disambiguation), various people