John Armstrong
John Armstrong may refer to:
Politicians
- John Alexander Macdonald Armstrong (1877–1926), Canadian politician
- John Armstrong (Australian politician) (1908–1977), Australian politician and federal minister
- John Armstrong (New Zealand politician) (born 1935), New Zealand Member of Parliament 1990–1993
- John Armstrong, Jr. (1758–1843), American soldier, congressman, and U.S. Secretary of War
- John Armstrong, Sr. (1717–1795), American general and Continental Congressman
Religion
- John Armstrong (archbishop of Armagh) (1915–1987), Anglican bishop
- John Armstrong (bishop of Grahamstown) (1813–1856), Anglican bishop
- John Armstrong (bishop of Bermuda) (1905–1992), Anglican bishop
Sports
- John Armstrong (cricketer) (born 1981), English cricketer
- John Armstrong (footballer, born 1936), Scottish football (soccer) player
- John Armstrong (footballer, born 1988), Scottish football (soccer) player
- John Armstrong (ice hockey) (born 1988), Canadian professional ice hockey player
- John Armstrong (rugby league), Australian rugby league footballer
- Johnny Armstrong (1898–1960), American football player
Others
- John Armstrong (journalist/poet) (1771–1797), Scottish journalist and poet
- John Armstrong (physician) (1784–1829), English physician
- John Armstrong (British writer/philosopher) (born 1966), British writer and philosopher
- John Armstrong (Carolina) (1735–c. 1784), American soldier and developer from North Carolina
- John Armstrong (comics), British comics artist
- John Armstrong (frontiersman) (1755–1816), American soldier from Pennsylvania and Ohio
- John Armstrong (model railroader) (1920–2004), American modeller
- John Armstrong (poet) (1709–1779), Scottish poet
- John Armstrong (British Army officer) (1674–1742), British Surveyor General
- John Barclay Armstrong (1850–1913), Texas Ranger and U.S. marshal
- John Armstrong (architect) (1857-1941), Scottish architect
- John Armstrong (artist) (1893-1973), British artist
- John S. Armstrong, founder of Highland Park, Texas and co-founder of Oak Cliff
- John Armstrong (of Carrick) (1929- c.1980), farmer, huntsman, stick dresser and traditional musician from Northumberland
- John Archibald Armstrong (1917–2010), Canadian business executive
- John Armstrong, New Zealand Army lieutenant who made the design calculations for the Te Rata Bridge
See also
- Jack Armstrong (disambiguation)
- "Johnnie Armstrong", a folk ballad about a Scottish raider and folk-hero