David Armstrong
David or Dave Armstrong may refer to:
Politicians
- David H. Armstrong, US Senator from Missouri
- David L. Armstrong, American lawyer and politician
- David Malet Armstrong, Australian philosopher
- David Morrison Armstrong, merchant, insurance agent and political figure in Quebec
- David Armstrong (Wisconsin politician), Wisconsin state legislator
Sportspeople
- Dave Armstrong (footballer), English footballer
- Davey Armstrong, American boxer
- David Armstrong (bobsleigh), British Olympic bobsledder
- David Armstrong (footballer, born 1954), English international footballer
- David Armstrong (footballer, born 1987), Northern Irish footballer
- David Armstrong (rugby league), Australian rugby league player
Theatrical professionals
- David Armstrong (director), American theatre director
- Dave Armstrong (playwright), New Zealander playwright
Others
- Dave Armstrong (Catholic apologist), Catholic apologist and writer
- Dave Armstrong (producer), Canadian record producer
- Dave Armstrong (sportscaster), American television sports announcer
- David Armstrong (photographer), American art photographer
- David G. Armstrong, American physician and professor of surgery
- J. David Armstrong Jr., American academic and president of Broward College
- David Armstrong, a fictional character from the 2001 video game Operation Flashpoint: Cold War Crisis
- David Armstrong-Jones, 2nd Earl of Snowdon, member of the British Royal Family, more commonly known as David Linley