Tanami (Warlpiri: Jarnami)[1] is an interim Australian bioregion, comprising 25,997,277 hectares (64,240,670 acres) in the Northern Territory and Western Australia.

[2] It is part of the Great Sandy-Tanami desert ecoregion.

The bioregion has the code TAN.

[3] There are three subregions.

[3]