Jiucheng () is a town in Daozhen Gelao and Miao Autonomous County, Guizhou, China. As of the 2016 census it had a population of 26,000 and an area of . It has been hailed as "Hometown of Nuo opera".
The town was the capital of Zhen'an Zhou. After the relocation of the capital, it hence the name of "Jiucheng", which means "Old city".
As of 2016, the town is divided into six villages:
The town has a subtropical humid monsoon climate with an average annual temperature of and a maximum temperature of ; the annual average rainfall is .
The main industries in and around the town are breading industry and farming.