John Turner may refer to:
- John Turner (Bishop of Armagh) (1686-1724), Church of Ireland Archbishop of Armagh from 1713 until his death. He also held various other ecclesiastical posts in Ireland, including Dean of Dromore and Dean of Derry.
- John Turner (Bishop of Grafton) (1898-1979), Anglican Bishop of Grafton, Australia, from 1951 to 1963.