John Creighton (1772-1833) was an Irish politician and soldier. Creighton was born in County Fermanagh and educated at Trinity College, Dublin. He represented Armagh County from 1797 to 1800 when he became Governor of Hurst Castle. He married Jane Weldon in 1797 and died in 1833. He was the son of John Creighton the First Earl (of) Erne, the brother of Abraham Creighton the Second Earl (of) Erne and the father of John Creighton the Third Earl (of) Erne(died 1885).