John Fortescue
John Fortescue may refer to:
- John Fortescue (Devon lawyer) (died before 1436), English landowner and administrator
 - John Fortescue (judge) (c. 1394–1479), English lawyer, judge and Member of Parliament
 - John Fortescue of Salden (1531/1533–1607), third Chancellor of the Exchequer of England
 - John Fortescue Aland, 1st Baron Fortescue of Credan (1670–1746), English jurist
 - John Fortescue (MP for Barnstaple) (1819–1859), British MP
 - Sir John Fortescue (historian) (1859–1933), British statesman and military historian
 
See also
- John Inglett-Fortescue (1758–1840), British Member of Parliament