Eriochilus petricola is a plant in the orchid family Orchidaceae and is endemic to New South Wales.

It is a slender ground orchid with a single leaf and up to three small, white to pale pink flowers and grows near rock ledges.

Eriochilus petricola is a terrestrial, perennial, deciduous, herb with an underground tuber.

Up to three white to pale pink flowers are borne on a slender spike up to 100 mm (4 in) tall.

[2][3] Eriochilus petricola was first formally described in 2004 by David Jones and Mark Clements and the description was published in The Orchadian.