Mornington Sanctuary, formerly Mornington Station, is a 3,582 km2 (1,383 sq mi) nature reserve in the Kimberley region of north-west Western Australia. It contains the Mornington Wilderness Camp and is owned and managed by the Australian Wildlife Conservancy (AWC). It lies in the Pentecost subregion of the Central Kimberley Bioregion.

The Kimberley is the northernmost of the nine regions of Western Australia. It is bordered on the west by the Indian Ocean, on the north by the Timor Sea, on the south by the Great Sandy and Tanami deserts in the region of the Pilbara, and on the east by the Northern Territory.