Henry Johnston
Henry Johnston or Johnstone may refer to:
- Henry S. Johnston, American politician and lawyer, 7th Governor of Oklahoma
- Henry Johnston , English soccer player of the 1920s
- Henry Johnston , 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