William Duncan may refer to:
Arts, entertainment, and literature William Cary Duncan (1874–1945), American playwright and author William Duncan (actor) (1879–1961), Scottish-born actor and director of film serials W. Murdoch Duncan (1909–1976), Scottish crime thriller author William "Willie" Duncan (born 1955), guitarist and singer with the Spider Murphy Gang
Medicine and science Sir William Duncan, 1st Baronet (died 1774), Scottish physician William Duncan (American physician) (1840–1900) William Henry Duncan (1805–1863), English doctor and Britain's first Chief Medical Officer William Jolly Duncan (1894–1960), Scottish physicist
Politicians William Addison Duncan (1836–1884), U.S. representative from Pennsylvania William C. Duncan (1820–1877), brewer, politician, and mayor of Detroit, Michigan William Duncan (Maryland politician) (1871–1925), American politician and lawyer William Garnett Duncan (1800–1875), U.S. representative from Kentucky William H. Duncan, American diplomat
Sports Art Duncan (William James Arthur Duncan, 1891–1975), Canadian ice hockey professional and World War I flying ace Bill Duncan (1880–?), Scottish footballer William Butler Duncan (1862–1933), American yachtsman and adoptive son of William Butler Duncan (below) William Dow Duncan (1892–1961), New Zealand rugby player Bill Duncan (Jockey) (1900-1983), Australian jockey William Duncan (Australian cricketer) (1912–1943), Australian cricketer William Duncan (footballer) (1913–1975), Scottish association football player William Duncan (New Zealand cricketer) (1933–2008), New Zealand cricketer Willie Duncan (rugby union) (William Robert Duncan, born 1957), Irish international rugby union player from Northern Ireland Billy Duncan, Northern Ireland boxer
Others W. Butler Duncan (1830–1912), Scottish-American banker and railroad executive, adoptive father of William Butler Duncan William Augustine Duncan (1811–1885), Scottish journalist and colonial official William Barr McKinnon Duncan (1922–1984), Scottish-born director of Imperial Chemical Industries, chief executive of Rolls-Royce William Duncan (missionary) (1832–1918), English-born Anglican missionary William Duncan (philosopher) (1717–1760), Scottish natural philosopher and classicist William fitz Duncan (1090/1094–1147), Scottish prince and general William Wallace Duncan (1839–1908), American bishop of the Methodist Episcopal Church, South
See also