Persoonia angustiflora is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia.

Persoonia angustiflora is usually an erect, occasionally spreading, lignotuberous shrub that typically grows to a height of 0.2–1.8 m (7.9 in – 5 ft 10.9 in) with young branchlets and leaves covered with greyish to brown hairs.

[2][3][4] Persoonia angustiflora was first formally described in 1870 by George Bentham in Flora Australiensis from specimens collected by James Drummond near the Swan River.

[5][6] This persoonia grows in heath mallee and woodland between Eneabba, Perth Frank Hann National Park and Maya in the south-west of Western Australia.

[2][4] Persoonia angustiflora is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.