Joseph Armstrong

Joseph Armstrong may refer to:


 * Joseph Armstrong (engineer) (1816–1877), locomotive engineer from Britain
 * Joseph G. Armstrong (1867–1931), American politician, mayor of Pittsburgh
 * Joseph L. Armstrong, American academic
 * Jim Armstrong (wrestler) (1917–1981), Australian wrestler, bronze medalist at 1948 Olympics
 * Joseph Armstrong (footballer) (1892–1966), English footballer
 * Joseph Elijah Armstrong (1866–1931), Canadian politician
 * Joseph Hunter Armstrong (born 2001), American swimmer and 2020 Olympic gold medalist