Henry Armstrong (disambiguation)

Henry Armstrong (1912–1988) was an American boxer

Henry Armstrong may also refer to:
 * Henry W. Armstrong (1879–1951), American boxer and composer
 * Henry Edward Armstrong (1848–1937), English chemist
 * Henry Armstrong (umpire) (1885–1945), Australian cricket Test match umpire
 * Henry Armstrong (politician) (1844–1943), Northern Irish politician