Myall Lakes National Park is a national park located in New South Wales, Australia, 236 kilometres (147 mi) north of Sydney. It encompasses one of the state's largest coastal lake systems Myall Lakes, and includes Broughton Island. The park includes 40 kilometres of beaches and rolling sand dunes. Myall Lakes is also one of the most visited parks in New South Wales.

Myall Lakes, a series of fresh water lakes protected under the Ramsar Convention, are located within the Mid-Coast Council local government area in the Mid North Coast region of New South Wales, Australia.