William Allan

William Allan may refer to:

Politicians

George William Allan (1822–1901), Canadian politician
George William Allan (Manitoba politician) (1860–1940), Canadian politician
William Allan (banker) (c. 1770–1853), Canadian banker, businessman and politician
William Allan (English politician) (1837–1903), Liberal Party politician in the United Kingdom
William Allan (Queensland politician) (1840–1901), pastoralist and politician in Queensland, Australia

William Allan (footballer, born 1880) (1880–1965), Scottish goalkeeper for Falkirk, Rangers and Hibernian
William Allan (footballer, born 1904) (1904–1969), Scottish defender for Hamilton and Motherwell
Willie Allan (born 1942), Scottish footballer
Wee Willie Allan (1930 - 2019), American dirt modified racing driver

William Allan (British Army officer) (1832–1918)
William Allan (classicist) (born 1970), Scottish classicist
William Allan (geneticist) (1881–1943), American physician and geneticist
William Allan (painter) (1782–1850), Scottish historical painter
William Allan (trade unionist) (1813–1874), British trade unionist
William Evan Allan (1899–2005), Australian military figure, seeing service in WWI and WWII
William Allan of Glen (1788–1868), Lord Provost of Edinburgh