The Pedirka Desert is a small Australian desert, about north-west of Oodnadatta and north-east of Coober Pedy in South Australia. Mount Dare and Witjira National Park are just to the north.
The desert is relatively small, occupying about .
Pedirka Desert belongs to the Finke bioregion. The sands are deep-red and it is vegetated by dense mulga woodlands. Dunes in the desert are low, eroded, widely spaced and positioned parallel to each other.
Although the land is not over-appealing to pastoralists, it is progressively being developed.