Diocirea microphylla is a plant in the figwort family (Scrophulariaceae), and is endemic to a small area near Coolgardie in Western Australia.

The petals are white or pale violet joined to form a tube 1.5–2.5 millimetres (0.06–0.1 in) long with lobes which are about the same length and are spotted purple near their bases.

[2] Diocirea microphylla was first formally described by taxonomist Bob Chinnock in Eremophila and allied genera: a monograph of the plant family Myoporaceae in 2007 from a specimen collected near Coolgardie.

[3][2] Chinnock states that the specific epithet is derived from "Greek microphylla, small leaves".

[2][6][7] Diocirea microphylla has been classified as "Priority Three" by the Government of Western Australia Department of Parks and Wildlife[6] meaning that it is poorly known and known from only a few locations but is not under imminent threat.