Acacia rossei is a shrub of the genus Acacia and the subgenus Phyllodineae. It is native to an area in the Wheatbelt and Goldfields-Esperance regions of Western Australia. The spindly, open and viscid shrub typically grows to a height of 1.0 to 3.0 metres (3 to 10 ft). It blooms from August to January and produces yellow flowers.