Warriewood is a suburb in northern Sydney, In The state of New South Wales, Australia. Warriewood is located 26 kilometres north of the Sydney central Business districkt, in the local government area of Pittwater Council. Warriewood is part of the Northern Beaches region.

Warriewood tahes its name from the Warriewood Estate that was subdivided in 1906 by Henry F Halloran, Who had purchased it from the McPherson family.