Rhododendron sanguineum (血红杜鹃) is a rhododendron species native to southeast Xizang and northwest Yunnan, China, where it grows at altitudes of 2800–4300 meters. It is a dwarf shrub that typically grows to 0.3–1.5 m in height, with leathery leaves that are obovate, widely elliptic to narrowly oblong in shape, and 3.8–8 × 1.8–3 cm in size. Flowers are red.