Styphelia sulcata is a species of flowering plant in the heath family Ericaceae and is endemic to a small area in the south of Western Australia.

It is a low, compact shrub with narrowly egg-shaped leaves and white flowers arranged singly in leaf axils.

Styphelia sulcata is a low, compact shrub that typically grows up to about 40 cm (16 in) high and wide.

[2] Styphelia sulcata was first formally described in 2019 by Michael Hislop and Caroline Puente-Lelievre from specimens collected near Cascade in 2002.

[2] Styphelia sulcata is listed as "Priority One" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions,[4] meaning that it is known from only one or a few locations where it is potentially at risk.