Leucopogon unilateralis is a species of flowering plant in the heath family Ericaceae and is endemic to the south-west of Western Australia.

It is a shrub with oblong leaves and spikes of white, tube-shaped flowers arranged in small groups on the ends of branches and in upper leaf axils.

The leaves are oblong, 6–13 mm (0.24–0.51 in) long, sometimes with tiny soft hairs and sometimes with a small hard point on the tip, and has fine veins on the lower surface.

[6] This leucopogon grows on rocky soils, granite outcrops and quartzite in winter-wet places, swamps and hills in the Esperance Plains, Jarrah Forest, Mallee bioregions in the south-west of Western Australia.

[3] Leucopogon unilateralis is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions.