Douglas Campbell may refer to:
- Douglas Lloyd Campbell, (1895-1995), who was Premier of Manitoba from 1948 to 1958
- George Douglas Campbell, 8th Duke of Argyll (1823-1900), British cabinet minister
- John Douglas Sutherland Campbell, 9th Duke of Argyll (1845-1915) British MP and then Governor General of Canada
- Douglas Campbell (Ontario politician) fringe candiate who ran for the Canadian House of Commons in the 1960s, the leadership of the Ontario and federal New Democratic Party on various occasions in the 1970s and 1980s and Mayor of Toronto in 2000 and 2003
- Douglas Campbell (actor) (born June 11 1922) a Scottish born Canadian actor and director
- Douglas Campbell (American politician) Green Party candidate for Governor in Michigan
- Douglas Houghton Campbell (1859-1953) was an American botanist
- Douglas Campbell (WWI Ace) (June 7, 1896)-(December 16, 1990) American WWI flying ace (6 kills).
- Douglas Campbell (swimmer) British swimmer who competed at the 1980 Summer Olympics in Moscow