William Duncan

William Duncan may refer to:

Arts, entertainment, and literature[edit]

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

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

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

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 II (1862–1933), American yachtsman and adoptive son of William Butler Duncan I
William Dow Duncan (1892–1961), New Zealand rugby player
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
William H. Duncan, American diplomat

W. Butler Duncan I (1830–1912), Scottish-American banker and railroad executive
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