Acacia glaucoptera, commonly known as clay wattle, flat wattle or claybush wattle, is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a prostrate, sprawling or erect shrub with glabrous, straight branchlets, winged, leathery phyllodes continuous with the branchlets, spherical heads of golden yellow flowers and coiled and twisted, thinly crust-like black pods.