George Sullivan may refer to:
- Red Sullivan (George Sullivan, born 1929), ice hockey player
- George Sullivan (New Hampshire politician) (1771–1838), member of the U.S. House of Representatives from New Hampshire
- George Sullivan (American football, born 1897) (1897–1989), American football player
- George Sullivan (American football, born 1926), American football player
- George Alexander Sullivan (1890–1942), founder of the Rosicrucian Fellowship
- George M. Sullivan (1922–2009), mayor of Anchorage, Alaska
- George H. Sullivan (1867–1935), Lt. Governor of Minnesota
- George F. Sullivan (1886–1944), U.S. federal judge
- George Thomas Sullivan (1914–1942), one of five Sullivan brothers who died together in World War II
- George Sullivan (fighter) (born 1981), mixed martial artist