William Courtenay may refer to:
- William Courtenay (bishop) (1342âÂÂ1396), archbishop of Canterbury
- William Courtenay, 1st Earl of Devon (1475âÂÂ1511)
- Sir William Courtenay (1451âÂÂ1512)
- Sir William Courtenay (1477âÂÂ1535), MP for Devon
- Sir William Courtenay (died 1557) (c. 1529âÂÂ1557), de jure 2nd Earl of Devon
- Sir William Courtenay (died 1630) (1553âÂÂ1630), de jure 3rd Earl of Devon
- Sir William Courtenay, 1st Baronet (1628âÂÂ1702), de jure 5th Earl of Devon
- Sir William Courtenay, 2nd Baronet (1676âÂÂ1735), de jure 6th Earl of Devon
- William Courtenay, 1st Viscount Courtenay (1709âÂÂ1762), de jure 7th Earl of Devon
- William Courtenay, 2nd Viscount Courtenay (1742âÂÂ1788), de jure 8th Earl of Devon
- William Courtenay, 9th Earl of Devon (1768âÂÂ1835)
- William Courtenay, 10th Earl of Devon (1777âÂÂ1859), British aristocrat and politician
- William Courtenay, 11th Earl of Devon (1807âÂÂ1888)
- John Nichols Thom or William Courtenay (1799âÂÂ1838), Cornish rebel leader
- William Courtenay (actor) (1875âÂÂ1933), American stage and film actor
- William Courtenay (filmmaker) (1896âÂÂ1960), British film maker
- William Courtenay, in 1455, MP for Somerset
- William Courtenay (MP for Fowey) (c. 1582âÂÂ1603), eldest son of 3rd Earl of Devon, represented Fowey
- William Ashmead Courtenay (1831âÂÂ1908), mayor of Charleston, South Carolina
See also