George Johnstone
George Johnstone may refer to:
- George Johnstone (footballer, [born 1914)], Scottish football goalkeeper, played for Aberdeen, Dunfermline, Raith and Morton
- George Johnstone (Australian footballer), Australian rules footballer
- George Johnstone (Royal [Navy officer)], British naval officer and member of parliament
- George Johnstone (congressman), U.S. Representative from South Carolina
- George Johnstone (British Army officer), general in the Peninsula war
- George Harcourt Vanden-Bampde-Johnstone, [3rd Baron Derwent], British diplomat and author
- George Johnstone (1764–1813), English politician, MP for Aldeburgh 1800–1802 and for Hedon 1802–1813
- George Whitton Johnstone, Scottish artist