John Macdonald
Appearance
John Macdonald may refer to:
- John S. MacDonald, co-founder of MacDonald Dettwiler
- John Macdonald (psychiatrist) (1920–2007), New Zealand forensic psychiatrist who coined the MacDonald triad of sociopathy
- John Denis Macdonald (1826–1908), English surgeon and naturalist
Government
Australia
- John MacDonald (Australian politician) (1880–1937), Australian senator for Queensland
British isles
- John MacDonald II or John of Islay, Earl of Ross (1434–1503), last Lord of the Isles, Scotland
- John Macdonald, Lord Kingsburgh (1836–1919), Scottish politician and later a judge
- John Macdonald (British politician) (1854–1939), British Liberal politician
Canada
- John Small MacDonald (ca. 1791 – 1849), Prince Edward Island merchant and politician
- John Sandfield Macdonald (1812–1872), first Premier of Ontario
- John A. Macdonald (1815–1891), first Canadian prime minister
- John Macdonald (Canadian politician) (1824–1890), member of parliament and later senator
- John Alexander MacDonald (Prince Edward Island politician) (born 1838), speaker of the Prince Edward Island assembly
- John Alexander Macdonald (Prince Edward Island politician) (1874–1948), member of parliament for King's, Prince Edward Island
- John Alexander Macdonald Armstrong (1877–1926), politician, conveyancer and real estate agent in Ontario
- John Alexander Macdonald (Nova Scotia politician) (1883–1945), politician in Nova Scotia
- John Joseph MacDonald (1891–1986) senator for Prince Edward Island
- John Michael Macdonald (1906–1997), senator for Nova Scotia
- John Augustine Macdonald (1913–1961), member of parliament for King's, Prince Edward Island
United States
- John L. MacDonald (1838–1903), American representative from Minnesota
Literature
- John D. MacDonald (1916–1986), American mystery author
- John Ross MacDonald (1915–1983), Canadian-American mystery author pseudonym of Kenneth Millar
Military
- John Macdonald (British Army officer) (died 1850), former Adjutant-General to the Forces
- John Macdonald (Australian Army officer) (1919–1996), University of New South Wales Regiment
- John MacDonald of Garth (1771–1866), Scottish-Canadian participant in the Pemmican war
Music
- John MacDonald (Canadian musician) (born 1948), Canadian–French horn player
- John-Angus MacDonald (active since 1997), Canadian musician and guitarist
- John Scantlebury Macdonald, real name of Harry Macdonough (1871–1931), Canadian singer and music recording pioneer
Religion
- John MacDonald (bishop of Aberdeen) (1818–1889), Scottish Roman Catholic bishop
- John MacDonald (Vicar Apostolic of the Highland District) (1727–1779), Scottish Roman Catholic bishop
- John Roderick MacDonald (died 1959), Canadian Bishop of Peterborough, Ontario
Sports
- John Macdonald (sportsman) (1861–1938), represented Scotland at both cricket and football
- John MacDonald (American football) (active 1918–1919), American football head coach for Boston University
- John MacDonald (canoeist) (born 1965), New Zealand Olympic canoer
- John MacDonald (footballer) (born 1961), Scottish soccer player
- John MacDonald (ice hockey), Canadian ice hockey player who played for Destil Trappers in the Netherlands
- John MacDonald (racing driver) (born 1936), race car driver and motorcycle racer of Hong Kong
- John Hoani Macdonald (1907–1982), New Zealand Olympic rower
- John MacDonald (rugby league) (active 1960–1998), Australian rugby league footballer, coach and sports administrator