John Casey
John Casey may refer to:
- John Casey , British academic and writer for The Daily Telegraph
- John Casey, fictional character portrayed by Adam Baldwin on the television show Chuck
- John Casey , Australian journalist and sports broadcaster
- John Casey , Dumbarton FC player
- John Casey , Irish geometer
- John Casey , Newfoundland politician
- John Casey , American novelist and translator
- John Casey, rugby league footballer of the 1920s and 1930s
- John J. Casey, Democratic member of the U.S. House of Representatives from Pennsylvania
- John Casey, American author
- John Casey , Irish rebel transported to Australia in 1826
- John Keegan Casey, Irish poet, orator and republican
- John Sears Casey, member of the Alabama House of Representatives
- Captain John C. Casey, who gave his name to Fort Casey in Florida
- Jack Casey, member of the New Jersey General Assembly