Jacksonia ramulosa is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia.

It is an erect, tangled shrub with greyish-green branches, scattered, sharply-pointed end branchlets, leaves reduced to dark brown, triangular scales, orange-red flowers with red markings, and woody, densely hairy, broadly elliptic pods.

[2][3] Jacksonia ramulosa was first formally described in 2007 by Jennifer Anne Chappill in Australian Systematic Botany from specimens collected by Gregory John Keighery in 2003.

[5] This species of Jacksonia grows in shrubland and woodland on sandy soil or clay in scattered locations between Kalbarri and Mount Esmond in Cape Arid National Park, in the Avon Wheatbelt, Coolgardie, Geraldton Sandplains, Jarrah Forest and Mallee bioregions of south-western Western Australia.

[2][3] Jacksonia ramulosa is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions.