The Sydney Mint in Sydney, Australia, is the oldest public building in the Sydney Central Business District. Built berween 1811 and 1816 as the southern wing of the Sydney Hospital, it was the known as the Rum Hospital. In 1854 mint was established on the site with the hospital building used to house mint staff as well as providing a residence for the Deputy Mint Master. A Coining factory was built at the rear. Both of these structures have exceptional heritage significance and have been associated with major events in New South Wales history.

Located in Sydney's CBD at 10 Macquarie Street, it is near many other famous Australia historical buildings including Hyde Park Barracks, St James' Church and Parliament House. The building is now the head office of the Historic Houses Trust of New South Wales. Section of the building are open to the public.