Persoonia longifolia, commonly known as snottygobble, is a species of flowering plant in the family Proteaceae and is endemic to the southwest of Western Australia. It is a shrub or small tree characterised by its weeping foliage, yellow flowers and distinctive flaky bark.
Snottygobble is found in the southwest of Western Australia within 70 km (43 mi) of the coast between Albany and the southeastern edges of Perth. It occurs in the jarrah, karri, marri and tingle forest.
Persoonia longifolia is listed in the following regions: