Grevillea hilliana, of the plant family Proteaceae, is a species of Australian endemic trees known by many common names including white yiel yiel, white silky oak, grey oak, Hill's silky oak, and yill gill. It is naturally found from north eastern New South Wales, to the north through the east coast, to north eastern Queensland. In north eastern NSW the species "grows in subtropical rainforest, often on basic igneous substrates, north of Brunswick R." In north eastern Queensland the species "grows in drier, more seasonal rain forest and is often associated with Kauri Pine (Agathis robusta)."