Grevillea fulgens is a shrub of the genus Grevillea native to a small area along the south coast in the Goldfields-Esperance region of Western Australia. The spreading straggly shrub typically grows to a height of 0.5 to 3 metres (2 to 10 ft) and has non-glaucous branchlets. It has simple undissected flat elliptic to linear leaves with a blade that is 30 to 110 millimetres (1 to 4 in) in length and 1 to 7 mm (0.04 to 0.28 in) wide. It blooms from June to October and produces a terminal raceme irregular inflorescence with red or pink flowers. Later it forms an ovoid glabrous fruit that is 12 to 15 mm (0.47 to 0.59 in).