Raorchestes longchuanensis (Longchuan bubble-nest frog or Longchuan small treefrog) is a species of frog in the Rhacophoridae family. It is found in the Gaoligong and Hengduan Mountains in Yunnan, China (including the eponymous Longchuan) and in adjacent northern Vietnam (Lai Châu Province), and possibly in Myanmar. Raorchestes longchuanensis is a small species; males measure 20 mm (0.79 in) in snout-vent length. It inhabits shrubland in river valleys. It is common but easily overlooked due to its small size. It is potentially threatened by habitat loss.