John Johnston (disambiguation)
From Wikipedia, the free encyclopedia
- John Johnston, pioneer in agricultural drainage
- John Jeremiah Johnston (1824–1900), mountainman
- John Brown Johnston, US Congressman
- John S. Johnston (c1839-1899), American maritime photographer
- John V. Johnston (died 1912), U.S. Navy officer during the American Civil War; namesake of two ships, USS Johnston
- John W. Johnston (1818–1889), American lawyer and politician
- John Frederick Dame Johnston (1922-2006), Comptroller of Lord Chamberlain's Office