John Casey may refer to: John Casey (academic), British academic and a writer for The Daily Telegraph John Casey (Chuck), fictional character portrayed by Adam Baldwin on the television show Chuck John Casey (commentator) (born 1964), Australian journalist and sports broadcaster John Casey (footballer) (fl. 1935–1941), Dumbarton FC player John Casey (mathematician) (1820–1891), Irish geometer John Casey (politician) (1823–1893), Newfoundland politician John Casey (novelist) (born 1939), American novelist and translator John Casey (rugby league), rugby league footballer of the 1920s and 1930s John J. Casey (CEO), former chairman of Braniff International Airways John J. Casey (1875–1929), Democratic member of the U.S. House of Representatives from Pennsylvania John Casey (climate change author), American author John Casey (Australian convict) (died 1882), Irish rebel transported to Australia in 1826 John Keegan Casey (1846–1870), Irish poet, orator and republican Jack Casey (John Casey, born 1935), member of the New Jersey General Assembly