Acacia obtusata, commonly known as blunt-leaf wattle or obtuse wattle, is a tree or shrub belonging to the genus Acacia and the subgenus Phyllodineae native to eastern Australia.

The shrub typically grows to a height of less than 2.5 metres (8.2 ft) and has a spindly habit and glabrous dark reddish branchlets.

The evergreen phyllodes have an oblanceolate or sometimes narrowly elliptic shape and are straight to shallowly incurved.

The dull black seeds have an oblong to elliptic shape and a length of 5 mm (0.20 in) with a clavate aril.

[2] It is endemic to New South Wales from around the Budawang Range in the north down to near Mount Coricudgy where it is found scattered on tablelands growing in sandy soils as a part of dry sclerophyll forest communities.