Stenanthemum tridentatum is a species of flowering plant in the family Rhamnaceae and is endemic to the southwest of Western Australia.

It is a prostrate to upright shrub with sparsely hairy young stems, egg-shaped to fan-shaped leaves, and creamy white or creamy-yellow flowers arranged singly or in groups of up to three.

Stenanthemum tridentatum is a prostrate to upright, intricately-branched shrub that typically grows to a height of up to 35 cm (14 in), its young stems sparsely covered with star-shaped hairs.

[2][3] This species was first formally described in 1845 by Ernst Gottlieb von Steudel who gave it the name Cryptandra tridentata in Lehmann's Plantae Preissianae.

[6] Stenanthemum tridentatum grows in woodland and shrubland between Gunyidi and Tambellup in the Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest and Mallee bioregions of southwestern Western Australia.