Acacia vincentii is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to an area of north western Australia.
The shrub typically grows to a height of 3m (10feet) and has long, arching branches with cylindrical and hairy branchlets that have persistent bristle-like stipules with a length of . Like most species of Acacia it has phyllodes rather than true leaves. The ascending to erect, thinly leathery and evergreen phyllodes have an inequilaterally oblong-oblanceolate shape with rounded upper margin. The hairy phyllodes have a length of and a width of and two or three slightly raised nerves.[1] It blooms in August and produces yellow flowers. The simple inflorescences occur singly in the axils and have obloid shaped flower-heads with a diameter of and contain 41 yellow coloured flowers. The hairy and crustaceous seed pods have a narrowly oblong shape and are curved with a length of up to and a width of and contain shiny black seeds.[1]
It is native to an area in the Kimberley region of Western Australia where it is commonly situated on sandstone plateaux in shallow sandy soils. It has a limited range and is confined to the Edkins Range.[1]