Rhododendron hancockii (滇南杜鹃) is a rhododendron species native to Guangxi and Yunnan, China, where it grows at altitudes of NaNm (-2,147,483,648feet). It is a shrub or tree that grows to NaNm (-2,147,483,648feet) in height, with leathery leaves that are obovate or oblong-oblanceolate, 7–13 by 1.5–5 cm in size. The flowers are white with yellowish flecks.