Acacia barrettiorum, commonly known as the Barrett's wattle, is a species of flowering plant in the family Fabaceae and is endemic to the Prince Regent Nature Reserve in the Kimberley region of Western Australia. It is a glabrous shrub with crowded triangular phyllodes, spherical heads of light golden-yellow flowers and linear, papery to thinly leathery pods up to 60 mm (2.4 in) long.

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