John Joseph Fahey AC (born 10 January 1945) is the former Premier of New South Wales and Federal Minister for Finance in Australia. John Fahey is currently the chairman of the World Anti-Doping Agency. He was a member of the New South Wales Legislative Assembly from 1984 to 1996 and the federal House of Representatives from 1996 to 2001. He was also a notable rugby league player and coach in his youth.
Fahey was born in Wellington, New Zealand and migrated with his family to Picton in 1956. He was educated at Chevalier College, Bowral and the University of Sydney. He married Colleen Maree McGurren in 1968 and they had two daughters and one son. He became a naturalised Australian in 1973.
He won the seat of electoral district of Camden for the Liberal Party in 1984. He was member for Southern Highlands from 1988 to 1996. He was Minister for Industrial Relations from March 1988 and Minister for Further Education, Training and Employment from July 1990 until he became Premier. He was appointed Premier of New South Wales in June 1992, after his predecessor Nick Greiner was forced to resign as a result of an ICAC investigation. In March 1995 Fahey's government was narrowly defeated in a state election by the Labor opposition, led by Bob Carr.