Vincetoxicum forsteri is a species of plant in the dogbane family Apocynaceaethat is endemic to Australia (New South Wales and Queensland).

[3] The species is a herbaceous vine with clear sap and stems up to 2 m long.

[1] Vincetoxicum forsteri was first described by Paul Irwin Forster in 1992 as Tylophora linearis.

[4][6] The species is known from the Dubbo and Barraba areas of New South Wales and Glenmorgan in Queensland, where it grows in open forest, woodlands and dry scrub, in association with Melaleuca uncinata, Eucalyptus fibrosa, E. sideroxylon, E. albens, Callitris endlicheri, C. glaucophylla, Allocasuarina luehmannii, Acacia hakeoides, A. lineata, Myoporum spp., and Casuarina spp.

The main potential threats include competition from invasive weeds, grazing, wildfire and timber harvesting.