William Dunbar
William Dunbar is the name of the following people:
- William Dunbar (poet) (1460 – around 1520), Scottish poet
- William Dunbar (explorer) (1750-1810), Scottish-American explorer
- William Dunbar (politician) (1805–1861), American politician
- William Dunbar, 7th Baronet (1812-1889), Scottish politician
- William Philipps Dunbar (1863-1922), American medic
