Lobelia winfridae, commonly known as little lobelia, is a small herbaceous plant in the family Campanulaceae native to Western Australia.
The erect, annual herb typically grows to a height of . It blooms between August and November producing blue flowers.
The species is found on plains, lateritic screes, dunes and sandstone breakaways in the Mid West, Wheatbelt and Goldfields-Esperance regions of Western Australia where it grows in stony sandy-clay soils.