长距石斛（学名：Dendrobium longicornu）为兰科石斛属下的一个种。

Dendrobium longicornu, the Long-horned Dendrobium, is a species of orchid native to Asia.

It is native to southern China (Guangxi, *****, Yunnan), the Himalayas (Nepal, northeastern India, Bhutan, Bangladesh, Assam), and northern Indochina (Myanmar, Vietnam).