Richard Armstrong
Richard Armstrong may refer to:
- Richard Armstrong (author), winner of the 1948 Carnegie medal for children's literature
- Sir Richard Armstrong (British Army officer), British army officer
- Sir Richard Armstrong (conductor), British conductor
- Richard Armstrong (missionary), missionary and educator
- Richard Armstrong (museum director), American museum director
- Richard Armstrong (politician), UK MP for the Irish borough constituency of Sligo, 1865–1868
- Richard Lee Armstrong, American-Canadian geologist