George Johnston may refer to:
- George Johnston (burgess) (1720âÂÂ1766), American lawyer and politician
- George Johnston (British Marines officer) (1764âÂÂ1823), Lieutenant-Governor of New South Wales
- George Johnston (naturalist) (1797âÂÂ1855), Scottish naturalist and physician
- George Johnston (engineer) (1855âÂÂ1945), Scottish engineer and motorcar designer
- George Johnston (general) (1868âÂÂ1949), Australian army general and politician
- George Johnston (politician) (1884âÂÂ1977), Canadian politician
- George Johnston (novelist) (1912âÂÂ1970), Australian journalist and novelist
- George Johnston (ice hockey) (1920âÂÂ2006), National Hockey League player
- George Johnston (footballer, born 1947), Scottish footballer
- George Johnston (footballer, born 1998), footballer for Bolton Wanderers
- George Bain Johnston (1829âÂÂ1882), pioneer of River Murray, South Australia
- George Benson Johnston (1913âÂÂ2004), Canadian poet
- George Doherty Johnston (1832âÂÂ1910), American General and politician
- George "Blue" Johnston (1907âÂÂ?), Australian rules footballer for Glenelg
- George Johnston (Australian footballer) (1877âÂÂ1945), Australian rules footballer for Carlton
- George Graham Johnston (1882âÂÂ1960), politician in Ontario, Canada
- George Napier Johnston (1867âÂÂ1947), British Army officer who served with the New Zealand Military Forces
- George Robert Johnston (1954âÂÂ2004), known as the Ballarat Bandit, burglar
- George Lawson Johnston, 1st Baron Luke (1873âÂÂ1943), British businessman
See also