Olearia homolepis is a species of flowering plant in the family Asteraceae, endemic to Western Australia. It grows to between 0.2 and 1 metre high. White or blue flowers appear between July and November in the species native range. The species was formally described in 1865 by Victorian Government Botanist Ferdinand von Mueller in Fragmenta Phytographiae Australiae based on plant material collected in the vicinity of the Murchison River. Mueller gave it the name Aster homolepis. The species was transferred to the genus Olearia by English botanist George Bentham in 1867.