Longxing () is a town in Daozhen Gelao and Miao Autonomous County, Guizhou, China. As of the 2016 census it had a population of 32,100 and an area of .
As of 2016, the town is divided into nine villages:
The town's main industries are agriculture, breading industry, and mining service. Tobacco is the main source of local income.
Mopan Mountain () is a famous scenic spot in the town.
The main attraction is the Huangni Cave ().