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

It is an erect, spreading shrub with smooth bark, hairy young branchlets, linear leaves, and bright yellow flowers borne in groups of up to twenty on a rachis up to 100 mm (3.9 in) long that continues to grow after flowering.

[2][3][4][5] Persoonia teretifolia was first formally described in 1810 by Robert Brown in the Transactions of the Linnean Society of London.

[6][7] This geebung grows in heath, mostly in near-coastal areas between Israelite Bay and Albany in the Esperance Plains, Jarrah Forest and Mallee biogeographic regions in the south-west of Western Australia.

Persoonia teretifolia is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.