The Carpentarian grasswren (Amytornis dorotheae) is a species of bird in the family Maluridae.It is endemic to Australia.
Its natural habitat is subtropical or tropical dry shrubland. It is threatened by habitat loss. The habitat of this species is almost exclusively the rocky ranges north of Mount Isa. This habitat is not endangered by human encroachment other than by fires because of the extreme inaccessibility.
The species was formerly considered to be conspecific with the white-throated grasswren. It is monotypic.
Feeds on insects and seeds. Forages by searching rock crevices and litter under shrubs on the ground.