John Armstrong
John Armstrong may refer to:
Politicians
- John Alexander Macdonald Armstrong, Canadian politician
- John Armstrong
- John Armstrong
- John Armstrong Jr., soldier and U.S. Secretary of War
- John Armstrong Sr., American general and Continental Congressman
- John Franklin Armstrong, schoolteacher and Texas state representative
- John Armstrong, MP for Fore
Religion
- John Armstrong , Anglican bishop
- John Armstrong , Anglican bishop
- John Armstrong , Anglican bishop
- John Armstrong , Anglican priest in Ireland
Sports
- Jock Armstrong, Scottish rally driver
- John Armstrong , England
- John Armstrong , England
- John Armstrong, Scotland
- John Armstrong, Scotland
- John Armstrong, Australia
- John Lee Armstrong, American football player and coach
- John Armstrong , American football defensive back
- Johnny Armstrong, American football player
Others
- John Armstrong , Scottish architect
- John Armstrong , British artist and muralist
- John Armstrong , Surveyor General
- John Armstrong , British writer and philosopher
- John Armstrong , American soldier and land registrar
- John Armstrong , farmer and musician from Northumberland
- John Armstrong , British artist
- John Armstrong , Pennsylvania and Ohio
- John Armstrong , Scotland
- John Armstrong , US
- John Armstrong , England
- John Armstrong , Scotland
- C. A. J. Armstrong, British medieval historian
- John Alexander Armstrong, professor of political science at University of Wisconsin-Madison
- John Archibald Armstrong, Canadian business executive
- John Barclay Armstrong, Texas Ranger and U.S. Marshal
- John S. Armstrong, developer, Texas
- John Armstrong , Britain
- John Armstrong, New Zealand Army, made calculations for the Te Rata Bridge
- John Eric Armstrong, American serial killer
- John W. Armstrong, British naturopath who popularized urine therapy