Mouling National Park is a national park located in the Indian state of Arunachal Pradesh, spread primarily over the Upper Siang district and parts of the West Siang and East Siang district. It was the second national park to be created in the state, after Namdapha National Park in 1972. The Mouling National Park and the Dibang Wildlife Sanctuary are located fully or partly within Dihang-Dibang Biosphere Reserve.