Newcastle Government House is a heritage-listed former military post and official residence and now park and psychiatric hospital at 72 Watt Street, Newcastle, New South Wales, Australia. It is also known as Newcastle Government House and Domain, Newcastle Military Barracks & Hospital, Girls' Industrial School, Reformatory for Girls, Lunatic Asylum for Imbeciles, James Fletcher Hospital and Fletcher Park. It was added to the New South Wales State Heritage Register on 22 March 2011.