Protected areas of South Australia, consisting of protected areas located within South Australia and its immediate onshore waters and which are managed by South Australian Government agencies. As of 2018, South Australia contained 359 separate protected areas declared under the National Parks and Wildlife Act 1972, the Crown Land Management Act 2009 and the Wilderness Protection Act 1992. Together, they cover a total land area of 211,387.48 km2 (81,617.16 sq mi) or 21.5% of the state's area.

Mamungari Conservation Park is a protected area located in South Australia within the southern Great Victoria Desert and northern Nullarbor Plain about 200 kilometres west of Maralinga and 450 kilometres northwest of Ceduna. It is about 1,000 kilometres (620 mi) north-west of Adelaide and abuts the Western Australia border