Tetratheca retrorsa is a species of plant in the quandong family that is endemic to Australia.
The species grows as a spindly, sparsely-leaved, spreading shrub to 1.5 m in height. The pink flowers appear from September to October.
The range of the species lies in the Avon Wheatbelt and Jarrah Forest IBRA bioregions of south-west Western Australia. The plants grow on lateritic breakaways.