Grevillea pityophylla is a shrub of the genus Grevillea native to an area in the northern Wheatbelt and Mid West regions of Western Australia. The dense many branched shrub typically grows to a height of 0.5 to 1 metre (2 to 3 ft) and has non-glaucous branchlets. It has simple linear undissected linear leaves with a blade that is 60 to 100 millimetres (2.4 to 3.9 in) long and 1 to 1.5 mm (0.04 to 0.06 in) wide. It blooms from July to October and produces an axillary raceme irregular inflorescence with red or pink flowers and red styles. Later it forms ovoid simple hairy fruit that is 11 to 13.5 mm (0.4 to 0.5 in) long.