Scaevola thesioides is a species of flowering plant in the family Goodeniaceae and is endemic to the southwest of Western Australia.

It is a spreading subshrub to perennial herb with thread-like to lance-shaped leaves and hairy, fan-shaped, pale blue to white flowers.

Scaevola thesioides is a spreading subshrub to perennial herb that typically grows to a height of up to 1 m (3 ft 3 in) and is mostly glabrous.

Flowering mainly occurs from August to December and the fruit is cylindrical to oval, and about 3 mm (0.12 in) in diameter.

[2][3] Scaevola thesioides was first formally described in 1837 by George Bentham and the description was published in Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in Sinu Regis Georgii collegit Carolus liber baro de Hügel.