Xuan Thuy National Park (Vietnamese language: Vườn quốc gia Xuân Thủy ) is a national park in Hong River Biosphere Reserve in the province of Nam Dinh, Vietnam. The national park was established according to the Decision number 01/2003/QĐ-TTg dated 2 Jan 2003 signed by premier Nguyễn Tấn Dũng, this decision turned Xuan Thuy Wetland Nature Reserve into Xuan Thuy National Park. The park was the first wetland area to be announced a Ramsar site in south-east Asia and is internationally significant as a migratory bird habitat.