John Cleary
John Cleary may refer to:
- John Cleary (Canadian politician), Ontario state politician
- John Cleary (Gaelic footballer), Irish footballer
- John Cleary (New South Wales politician), Australian politician
- John Cleary (rugby), Australian rugby player
- John G. Cleary, New Zealand-Canadian computer scientist
- John Henry Cleary, Australian politician from Tasmania
- John M. Cleary, American lawyer, judge and politician
- Thomas John Cleary, known as John, Australian politician from Tasmania
- John Cleary (actor) from List of Australian films of 1974
- John Cleary (Rockland County, NY) in 104th New York State Legislature