William Dunbar (disambiguation)

William Dunbar (c. 1460 – c. 1520) was a Scottish poet.

William Dunbar may also refer to:
 * Sir William Dunbar, 7th Baronet (1812–1889), Scottish Liberal Member of Parliament in the British House of Commons
 * William Dunbar (Code Lyoko), a character in the animated television series Code Lyoko
 * William Dunbar (explorer) (1750–1810), Scottish and American naturalist, astronomer, explorer
 * William Dunbar (politician) (1805–1861), U.S. Representative from Louisiana
 * William Dunbar (songwriter) (1852/53–1874), prolific Gateshead songwriter
 * William C. Dunbar (1822–1905), Scottish Mormon missionary and Mormon pioneer
 * William P. Dunbar (1863–1922), American physician who made seminal discoveries about cholera control
 * William Dunbar (bishop) (1661–1746),Scottish Episcopal clergyman
 * William F. Dunbar (1820–?), American politician