Acacia mitchellii, commonly known as Mitchell's wattle, is an erect or spreading shrub which is endemic to Australia. It grows to up to 2 metres high and has small bipinnate leaves. The pale yellow globular flowerheads appear in groups of 1 to 3 in the axils of the phyllodes followed by straight or curved seed pods which are 1.8 to 5 cm long and 4 to 8 mm wide.