David or Dave Armstrong may refer to:
Politicians David H. Armstrong (1812–1893), US senator from Missouri David L. Armstrong (1941–2017), American lawyer and politician David Malet Armstrong (1926–2014), Australian philosopher David Morrison Armstrong (1805–1873), merchant, insurance agent and political figure in Quebec David Armstrong (Wisconsin politician) (born 1961), Wisconsin state legislator
Sportspeople Dave Armstrong (footballer) (born 1942), English footballer Davey Armstrong (1956–2021), American boxer David Armstrong (bobsleigh) (born 1964), British Olympic bobsledder David Armstrong (footballer, born 1954) (1954–2022), English international footballer David Armstrong (footballer, born 1987), Northern Irish footballer David Armstrong (rugby league) (born 2001), Australian rugby league player Davy Armstrong (born 1991), American-Cambodian former soccer player
Theatrical professionals David Armstrong (director), American theatre director Dave Armstrong (playwright) (born 1961), New Zealander playwright
Others Dave Armstrong (Catholic apologist) (born 1958), Catholic apologist and writer Dave Armstrong (producer) (born 1979), Canadian record producer Dave Armstrong (sportscaster) (born 1957), American television sports announcer David Armstrong (photographer) (1954–2014), American art photographer David A. Armstrong (born 1962), American cinematographer, film producer and director David G. Armstrong (born 1969), American physician and professor of surgery David Gilford Armstrong (1926–2000), British biochemist and expert in animal nutrition 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 (born 1961), member of the British Royal Family, more commonly known as David Linley