Gompholobium cinereum is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It a shrub that typically grows to a height of up to and flowers from September to November producing purple, pea-like flowers. This species was first formally described in 2008 by Jennifer Anne Chappill in Australian Systematic Botany from specimens collected in Wilroy Nature Reserve, south of Mullewa in 1995.[1] The specific epithet (cinereum) means "ash-coloured", referring to the overall appearance of the plant.[2]
Gompholobium cinereum grows in open sites, slopes and roadsides in the Avon Wheatbelt, Coolgardie, Geraldton Sandplains and Yalgoo biogeographic regions of south-western Western Australia. It is classified as "Priority Three" by the Government of Western Australia Department of Parks and Wildlife, meaning that it is poorly known and known from only a few locations but is not under imminent threat.[3]