窄叶杜鹃（学名：Rhododendron araiophyllum）为杜鹃花科杜鹃属下的一个种。

Rhododendron araiophyllum (窄叶杜鹃) is a rhododendron species native to northeast Myanmar and northeastern and western Yunnan, China, where it grows at altitudes of 1900–3400 meters. It is a shrub that grows to 1–4 m in height, with leatherly leaves that are elliptic-lanceolate or narrowly lanceolate, 5–11 by 1.3–3 cm in size. Flowers are predominantly white.