Rhododendron facetum (绵毛房杜鹃) is a rhododendron species native to northeast Myanmar, northern Vietnam, and western Yunnan, China, where it grows at altitudes of 2100–3600 meters. It is a shrub or small tree that grows to 3–7 m in height, with leathery leaves that are oblong-elliptic to obovate-elliptic, 8.5–20 by 3–6 cm in size. Flowers are red with deeper colored spots.