Barrenjoey may mean or refer to:
Barrenjoey, New South Wales, a headland at the northern end of Palm Beach, New South Wales Barrenjoey Peninsula, the landmass spanning much of the Northern Beaches region of Sydney, New South Wales Barrenjoey Capital Partners, an Australian Investment Bank Barrenjoey Road, a road through the Northern Beaches, Sydney, New South Wales Barrenjoey Head Lighthouse, a lighthouse on Barrenjoey headland SS Barrenjoey, later MV North Head, a Manly ferry on Sydney Harbour