Guichenotia is a genus of 17 species of flowering plants in the family Malvaceae that is endemic to the south west of Western Australia. Plants in the genus Guichenotia are shrubs with simple, linear to oblong leaves with leaf-like stipules at the base of the petiole, the flowers bisexual with three bracteoles at the base of the sepals, and five petal-like sepals, the petals sometimes absent. The fruit is a capsule usually containing 15 seeds.