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

It is a spreading to prostrate shrub with sparsely hairy young stems, narrowly fan-shaped to linear leaves and densely, shaggy-hairy heads of white or cream-coloured flowers.

Stenanthemum emarginatum is a spreading to prostrate shrub that typically grows to a height of 5–10 cm (2.0–3.9 in), its young stems sparsely hairy.

[2][3] Stenanthemum emarginatum was first formally described in 1995 by Barbara Lynette Rye in the journal Nuytsia from specimens collected by Alex George near Ravensthorpe in 1960.

[2][3][5] Stenanthemum emarginatum is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions.