Dillwynia parvifolia is a species of flowering plant in the family Fabaceae and is endemic to New South Wales.

It is a spreading to erect shrub with twisted, narrow oblong leaves and yellow flowers with red markings.

The leaves are twisted, narrow oblong, 1.5–4 mm (0.059–0.157 in) long and glabrous.

[2] Dillwynia parvifolia was first formally described in 1812 by John Sims in the Botanical Magazine from an unpublished description by Robert Brown.

[4] This dillwynia grows in forest on the coast and tablelands from the Cumberland Plain to the Clyde River.