Rhododendron sphaeroblastum (宽叶杜鹃) is a rhododendron species native to southwestern Sichuan and northern Yunnan in China, where it grows at altitudes of 3300–4400 meters. It is a shrub that grows to 1–3 m in height, with leathery leaves that are ovate to oblong-ovate or ovate-elliptic, 7–15 by 4–6.5 cm in size. Flowers are white, pink, red, or yellow.