Diplolaena andrewsii, is a species of flowering plant in the family Rutaceae and is endemic to the west coast of Western Australia.

Diplolaena andrewsii is a wide spreading branched shrub to 1 m (3 ft 3 in) high.

The flowerheads are up to 1.5 cm (0.59 in) in diameter, outer bracts broadly oval, about 8 mm (0.31 in) long, green, rounded, papery and sparsely covered in star-shaped hairs.

[2] This species was first formally described in 1921 by Carl Hansen Ostenfeld and the description was published in Biologiske Meddelelser, the journal of The Royal Danish Academy of Sciences and Letters.

[3][4] This species in found in the Darling Range near Perth, Western Australia growing in granite rocks in woodland.