Acacia moirii, commonly known as Moir's wattle, is a subshrub which is endemic to the south-west of Western Australia. It grows to between 0.15 and 0.6 metres high and has densely hairy leaflets. The globular golden-yellow flower heads appear from May to August, followed by hairy seed pods which are around 4 cm long and 5 to 6 mm wide.