The Mermaid Reef Marine Park (previously known as the Mermaid Reef Marine National Nature Reserve) is an Australian marine park in the Rowley Shoals, located approximately north-west of Broome, Western Australia. The marine park covers an area of and is assigned IUCN category II. It is one of 13 parks managed under the North-west Marine Parks Network, and lies adjacent to the Argo-Rowley Terrace Marine Park
