Palm Beach is a suburb in the Northern Beaches region of Greater Sydney, in the state of New South Wales, Australia. Palm Beach is located 41 kilometres (25 mi) north of the Sydney central business district, in the local government area of Northern Beaches Council. Palm Beach sits on a peninsula at the end of Barrenjoey Road near Pittwater and is the northernmost beach in the Greater Sydney Metropolitan area. The population of Palm Beach was 1,593 as at the 2016 census.

The Northern Beaches is a region within Northern Sydney, in the state of New South Wales, Australia, near the Pacific coast. This area extends south to the entrance of Port Jackson, west to Middle Harbour and north to the entrance of Broken Bay. The area was formerly inhabited by the Garigal or Caregal people in a region known as Guringai country.