Rhododendron rigidum (基毛杜鹃) is a rhododendron species native to Sichuan and Yunnan, China, where it grows at altitudes of . Growing to in height, it is an evergreen shrub with leaves that are elliptic, oblong elliptic, oblong-lanceolate or oblanceolate, 2.5–6.8 by 1–3.2 cm in size. The flowers are white to reddish purple.
Synonyms Rhododendron caeruleum H.Lév. Rhododendron eriandrum H.Lév. ex Hutch. Rhododendron hesperium Balf.f. & Forrest Rhododendron racemosum var. rigidum (Franch.) Rehnelt Rhododendron rarosquameum Balf.f. Rhododendron sycnanthum Balf.f. & W.W.Sm.
References "Rhododendron rigidum", Franchet, Bull. Soc. Bot. France. 33: 233. 1886.