The chestnut-rumped heathwren (Hylacola pyrrhopygia) is a species of bird in the family Acanthizidae. It is endemic to temperate and subtropical forests and heathlands of Australia.
The chestnut-rumped heathwren is a small bushland bird with an olive-brown back with conspicuous reddish-brown rump and tail coverts. It has a streaked brown-on-white chest and the belly and rear flanks are grey-buff. There is a dark subterminal band with a white tip on the usually erect tail. Both sexes have a dull white eyebrow; eyes are yellow, while bill, legs, and feet are grey. There are only small differences between the subspecies that are not easily recognised in the field. It measures 14 cm in length.