Jianjialong () is a town in Shaodong, Hunan, China. As of the 2017 census it had a population of 40,337 and an area of . The town is bordered to the north by Huochangping Town, to the east by Yejiping Town, to the south by Qidong County, and to the west by Shuangfeng Township.
On November 5, 2014, Jianjialong Township was upgraded to a town.
As of 2017, the town is divided into fifty villages.
The main cash crop is Chinese herbal medicine. The main crops are rice, citrus and watermelon.
There are two middle schools, ten primary schools and three kindergartens in the town.
Chengzhi House () is a famous scenic spot in Shaoyang. It was built in 1812 during the Jiaqing period of the Qing dynasty (1644–1911).