Acacia blaxellii is a shrub belonging to the genus Acacia and the subgenus Phyllodineae. It is native to an area in the Wheatbelt and the Goldfields-Esperance regions of Western Australia. The dense and spreading shrub typically grows to a height of 0.3 to 1.2 metres (1 to 4 ft) and to 2 metres (7 ft) wide. It blooms from August to September and produces yellow flowers.