Ricinocarpos linearifolius is a species of flowering plant in the family Euphorbiaceae and is endemic to eastern Australia.

Ricinocarpos linearifolius is a monoecious or dioecious shrub that typically grows to a height of up to 1 m (3 ft 3 in), its young branchlets densely covered with greyish-white, star-shaped hairs.

The petals are white and egg-shaped with the narrower end towards the base, and 7.5–9.3 mm (0.30–0.37 in) long with smooth edges.

Flowering occurs throughout the year with a peak from August to October, and the fruit is a more or less spherical capsule 8.0–9.5 mm (0.31–0.37 in) in diameter and covered with star-shaped hairs.

[2] This species grows in heath, woodland and open forest between Jericho, Biggenden and Inglewood in Queensland, and near Warialda in New South Wales.