Tetratheca similis is a species of plant in the quandong family that is endemic to Australia.
The species grows as a spreading shrub to 30 cm in height. The pink flowers appear from August to September.[1]
The range of the species lies in the Avon Wheatbelt and Jarrah Forest IBRA bioregions of south-west Western Australia. The plants grow in sandy clay soils with lateritic boulders.[1]