Acacia dorsenna is a shrub belonging to the genus Acacia and the subgenus Phyllodineae. It is native to a small area in the Goldfields-Esperance region of Western Australia. The dense domed shrub typically grows to a height of 1.0 to 1.6 metres (3 to 5 ft) and 3.0 metres (10 ft) wide. It blooms from August to September producing yellow flowers.