Conostylis setigera, commonly known as bristly cottonhead, is a tufted perennial plant species in the family Haemodoraceae. It is endemic to the south-west of Western Australia. Plants grow to between 5 and 36 cm high and produce yellow flowers between August and November in the species' native range.
Two subspecies are recognised:
- Conostylis setigera subsp. dasys Hopper
- Conostylis setigera R.Br. subsp. setigera