Queenscliff is a suburb of northern Sydney, in the state of New South Wales, Australia. Queenscliff is located 16 kilometres north-east of the Sydney central business district, in the local government area of Northern Beaches Council and is part of the Northern Beaches region.
Queenscliff is famous amongst the Australian surf beaches for its "heavy" waves (bomboras) that break out at sea. The stories recounting how Dave Jackman dared to ride one in 1961 gave rise to big wave surfing in Australia.
In the 2016 Census, there were 3,376 people resident in Queenscliff. 57.0% of people were born in Australia. The most common other countries of birth were England 9.5% and New Zealand 4.0%. 79.7% of people only spoke English at home. The most common responses for religion were No Religion 43.8%, Catholic 22.6%, and Anglican 13.0%.
Manly Lagoon was originally called  and the name Curl Curl appears to be the original Aboriginal name for the Queenscliff and Manly Vale area. Manly Creek was originally Curl Curl Creek and Queenscliff Headland was originally Curl Curl Headland.
- Australian Bureau of Statistics (27 June 2017). "Queenscliff (State Suburb)". 2016 Census QuickStats. Retrieved 19 November 2017.
- The Book of Sydney Suburbs, Compiled by Frances Pollon, Angus & Robertson Publishers, 1990, Published in Australia ISBN 0-207-14495-8, page 216
- "Episode 1". . Season 1. Episode 2. 26 March 2009.
- http://www.manly.nsw.gov.au/IgnitionSuite/uploads/docs/Curl%20Curl%20Lagoon%20-%20early%20history.pdf Manly Council
- "Gosford Lagoons & Sydney Northern Beaches" (map). Office of Environment and Heritage. Government of New South Wales.