The Scheyville National Park (/pronˌskaɪ'vIl/) is a protected national park that is located in the northwestern suburbs of Sydney in New South Wales, in eastern Australia. The 920ha national park is situated approximately 40km northwest of the Sydney central business district, northeast of, near the settlement of . Longneck Lagoon lies in the northern section of the park. It was added to the New South Wales State Heritage Register on 9 April 2010.
