Acrotriche rigida is a species of flowering plant in the family Ericaceae and is endemic to New South Wales.

It is a rigid, clump-forming, densely-branched shrub with stiff, spreading, sharply-pointed, lance-shaped leaves and spikes of 4 to 7 green flowers and flattened spherical, creamy-green drupes.

The leaves are whitish, with 3 to 5 veins, deeply grooved on the lower surface and with the edges curved strongly downwards.

[3] Flowering occurs from July to September and the fruit is a creamy-green, flattened, spherical drupe, 2.5–3.0 mm (0.098–0.118 in) in diameter and covered with short white hairs.

[6] This species of Acrotriche grows in scrub or dry sclerophyll forest on rocky hillsides between the Warrumbungles, Denman and Rylstone, and south to Goobang National Park.