Henry Johnston
Henry Johnston or Johnstone may refer to:
- Henry S. Johnston, American politician and lawyer, 7th Governor of Oklahoma
- Henry Johnston (footballer), English soccer player of the 1920s
- Henry Johnston (Irish politician), Irish Fianna Fáil politician from Meath
- Henry Johnstone Jr., American philosopher and rhetorician
- Henry [Erskine Johnston], Scottish actor
- Henry Halcro Johnston, Scottish botanist, physician and rugby union player
- Henry [Johnston, Lord Johnston], Scottish judge
- Henry [James Johnstone], portrait photographer in Melbourne, Australia