Oodnadatta is a town and locality in South Australia.

Oodnadatta may also refer to:

South Australia Oodnadatta (biogeographic subregion), a subregion of the Stony Plains bioregion Oodnadatta Aboriginal School, an Aboriginal school Oodnadatta Airport Oodnadatta Track, a road Oodnadatta railway station, a heritage listed railway station in Oodnadatta

Elsewhere Oodnadatta, a crater on Mars

See also Coober Pedy Oodnadatta One Day Mail Run