The Barrenjoey Head Lighthouse is a heritage-listed lighthouse at Barrenjoey Headland, Palm Beach, Northern Beaches Council in Sydney, New South Wales, Australia. It was designed by James Barnet, the New South Wales Colonial Architect and built by Isaac Banks. It is also known as Barrenjoey Head Lightstation. The property is owned by Office of Environment and Heritage, an agency of the Government of New South Wales.