Malleostemon roseus is a plant species of the family Myrtaceae endemic to Western Australia.
The erect or sometimes prostrate shrub typically grows to a height of and sometimes as high as . It blooms between July and December producing pink-white-yellow flowers.
It is found on undulating plains in an area in the extending from the Gascoyne into the Mid West, Wheatbelt and Goldfields-Esperance regions of Western Australia where it grows in sandy or clay soils.