John Quinn or Jack Quinn may refer to:
- Jack Quinn (lawyer) (born 1949), White House counsel, 1995–1996
- Jack Quinn (politician) (born 1951), Congressman from New York
- Jack Quinn III, Assemblyman from Erie County, New York and son of the Congressman
- Jack Quinn (Gaelic footballer), Meath Gaelic football player
- Jack Quinn (footballer born 1918), Australian rules footballer
- Jack Quinn (baseball) (1883–1946), baseball pitcher
- Jack Quinn, character in the 1997 action film Double Team
- John Quinn (politician) (1839–1903), Congressman from New York
- John Quinn (collector) (1870–1924), Lawyer and collector of manuscripts
- John Quinn (baseball executive) (1908–1976), Baseball general manager
- John Quinn (footballer) (born 1938), English professional footballer, 1959–1976
- John Quinn (wrestler) (born 1944), Retired Canadian professional wrestler
- John Quinn (Missouri) (born 1950), Member of the Missouri House of Representatives
- John Quinn (catcher) (1885–1956), baseball catcher for 1911 Philadelphia Phillies
- John Quinn (umpire) (1897–1968), baseball umpire
- John A. Quinn (born 1932), professor of chemical and biomolecular engineering
- John B. Quinn, American lawyer
- John F. Quinn (born 1963), Massachusetts state representative
- John M. Quinn (born 1945), Roman Catholic bishop
- John R. Quinn (born 1929), Roman Catholic archbishop
- Jack Quinn (Scottish footballer) (born 1890), Scottish footballer
- John Quinn, character in The Southern Vampire Mysteries
Famous quotes containing the words john and/or quinn:
“After I was married a year I remembered things like radio stations and forgot my husband.”
—P. J. Wolfson, John L. Balderston (1899–1954)
“In Europe an actor is an artist. In Hollywood, if he isn’t working, he’s a bum.”
—Anthony Quinn (b. 1915)