Acacia spongolitica is a shrub of the genus Acacia and the subgenus Plurinerves. It is native to an area in the Great Southern and Goldfields-Esperance regions of Western Australia. The spreading, aromatic and resinous shrub typically grows to a height of 1 to 3 metres (3 to 10 ft) and a width of 1.5 to 4 metres (5 to 13 ft). It blooms from July to September and produces yellow flowers.