John Donahue
John or Jack Donahue may refer to:
- John Donahue (baseball) (1894–1949), Major League Baseball right fielder
 - Jiggs Donahue (John Augustine Donahue, 1879–1913), Major League Baseball first baseman and catcher
 - Deacon Donahue (John Stephen Michael Donahue, 1920–2008), Major League Baseball relief pitcher
 - John F. Donahue (died 2017), chairman of Federated Investors
 - Jack Donahue (1806–1830), Australian bushranger
 - Jack Donahue (American football) (1904–1984), American football player and coach
 - Jack Donahue (politician) (born 1944), Louisiana state senator from St. Tammany Parish
 
See also
- Jonathan Donahue (born 1966), rock musician
 - John Donoghue (disambiguation)
 - Jack Donohue (disambiguation)