John Crowley
John Crowley may refer to:
- John Crowley , American author
- John Crowley , American Major League catcher
- John Crowley , American biotechnology executive
- John Crowley , former bishop of Middlesbrough
- John Crowley , Irish theatre and film director
- John Crowley , Irish Sinn Féin politician
- John Crowley, British politician
- John Francis Crowley, Irish revolutionary and hunger striker
- John Powers Crowley, U.S. federal judge
- Johnny Crowley, Irish hurler
- Johnny Crowley, Gaelic footballer with Kerry GAA
- John J. Crowley, American Catholic priest
- John W. Crowley, American pilot and NASA director