Henry Johnston

Henry Johnston or Johnstone may refer to:


 * Henry S. Johnston (1867–1965), American politician and lawyer, 7th Governor of Oklahoma
 * Henry Johnston (footballer), English soccer player of the 1920s
 * Henry Johnston (Irish politician) (1908–1991), Irish Fianna Fáil politician from Meath
 * Henry Johnstone Jr. (1920–2000), American philosopher and rhetorician
 * Henry Erskine Johnston (1777–1830), Scottish actor
 * Henry Halcro Johnston (1856–1939), Scottish botanist, physician and rugby union player
 * Henry Johnston, Lord Johnston (1844–1931), Scottish judge
 * Henry James Johnstone (1835–1907), portrait photographer in Melbourne, Australia