Isopogon linearis is a small shrub in the family Proteaceae that is endemic to the southwest of Western Australia.Isopogon linearis is a small shrub (.5-1.5 m high) with branchlets covered in straight hairs. The hairy, flat leaves are alternate, and 25–90 mm long, and 2–7 mm wide. They are roughly the same width for their entire length, and have smooth edges. The pink inflorescence is not sticky. The hairy perianth 20–24 mm long. The pistil is 20–25 mm long and the hairy pollen presenter is not spindle-shaped and is 3–4.5 mm long. The cone has deciduous scales, and is 23–25 mm long. The plant flowers in August, September or October.
Isopogon linearis is listed in the following regions: