Kati Thanda-Lake Eyre National Park (formerly Lake Eyre National Park) is a protected area in the Australian state of South Australia.

It is located 697 km north of the state capital of Adelaide within the gazetted locality of Lake Eyre.

[5] As of 2012, the national park has been subject to a co-management agreement between the Arabana aboriginal people and the Department of Environment, Water and Natural Resources (DEWNR).

[6] The national park almost encloses Elliot Price Conservation Park, which covers the Hunt Peninsula and Brooks Island, within and around the northern section of the lake.

[6] The national park is classified as an IUCN Category VI protected area.