William Mackinnon

William, Bill, Billy, Willie or Will Mackinnon, MacKinnon or McKinnon may refer to:

Politicians

• William Alexander Mackinnon (Dunwich MP) (1789–1870), British politician and South Australia colonisation commissioner
• William Alexander Mackinnon (Lymington MP) (1813–1903), British politician
• William S. McKinnon (1852–1908), American politician in Ohio
• William F. MacKinnon (1919–1990), Canadian politician
• Bill McKinnon (politician) (born 1933), Scottish-born Australian member of the Tasmanian House of Assembly

Military

• Sir William Alexander Mackinnon (British Army officer) (1830–1897), Director-General of British Army Medical Services
• Sir William Henry Mackinnon (1852–1929), British Army general

Sportsmen

• Billy MacKinnon (1852–1942), Scottish footballer for Queen's Park and Scotland national team in 1870s
• William McKinnon (footballer, born 1859) (1859–1899), Scottish footballer for Dumbarton and Scotland national team in 1880s
• Willie MacKinnon, American player in 1974 College Division East for Vermont Catamounts men's ice hockey#All-Americans
• Will MacKinnon, American gold medalist in Ice hockey at the 2016 Winter Youth Olympics#Events

Others

• Sir William Mackinnon, 1st Baronet (1823–1893), Scottish ship-owner and businessman
  • SS William Mackinnon, Uganda Railway Lake Victoria ferry named after him
• William MacKinnon (minister) (1843–1925), minister and Moderator of the Free Church of Scotland
• William McKinnon (police officer) (1902–1997), Australian police officer primarily within the Northern Territory
• Bill McKinnon (public servant) (1931–1988), Australian Secretary of Department of Immigration and Ethnic Affairs
• William P. MacKinnon (born 1939), American historian of Mormons and Utah