Charles Johnston may refer to: == Politics == Charles Johnston (representative) (1793–1845), U.S. Representative from New York Charles Clement Johnston (1795–1832), U.S. Representative from Virginia Charles Johnston (New Zealand politician) (1845–1918), Mayor of Wellington, New Zealand Sir Charles Johnston, 1st Baronet (1848–1933), Lord Mayor of London between 1914 and 1915 Charles Edward Johnston (1899–1971), Canadian federal politician Charles Johnston (diplomat) (1912–1986), British diploma…