Wahlenbergia littoricola is a small herbaceous plant in the family Campanulaceae native to Western Australia.
The erect to ascending perennial herb typically grows to a height of . It blooms between January and October producing blue flowers.
The species is found in the South West region of Western Australia where it grows in clay-loam soils around conglomerate rocks.
The flowers of the indigenous plant are often used an additive to create a purple-colored paint by artists.