Hakea oleifolia, commonly known as Dungyn or the Olive-leaf hakea, is a shrub or tree of the genus Hakea native to an area along the south coast in the South West and Great Southern regions of Western Australia. The erect shrub or tree typically grows to a height of 2 to 10 metres (6.6 to 32.8 ft). It blooms from August to October and produces white flowers.