Jervis Bay (/ˈdʒɑːrvᵻs/ or local /ˈdʒɜːrvəs/) is a 102-square-kilometre (39 sq mi) oceanic bay on the south coast of New South Wales, Australia, said to possess the whitest sand in the world.

A 70-square-kilometre (27 sq mi) area of land around the southern headland of the bay is a territory of the Commonwealth of Australia known as the Jervis Bay Territory. The Australian Navy base, HMAS Creswell, is in the Jervis Bay Territory between Jervis Bay Village and Greenpatch Point.