Buzi () is a town in Huitong County, Hunan, China. As of the 2019 census it had a population of 18,116 and an area of .
As of 2021, the town is divided into one community and eleven villages:
During the Republic of China, it belonged to Anhuai Township ().
After the founding of the People's Republic of China, in November 1949, it came under the jurisdiction of the Second District () of Huitong County. In May 1955, its name was changed to Buzi District (). In September 1958, it was renamed Pingcun People's Commune (). In March 1961, Buzi People's Commune () split from Pingcun People's Commune () and was incorporated as a township named Buzi Township () in May 1984. In April 1985 it was upgraded to a town.
Buzi is located on the north of Huitong County. It is surrounded by Ma'an Town on the north, Pingcun Town on the west, Jinzhu Town on the east, and Lincheng Town on the south.
The highest point in the town is a mountain named Xuefengzhai () which stands above sea level. The lowest point is the banker of Huitong River in Louluo (), which, at above sea level.
The Huitong River () flows through the town northeast to southwest.
The local economy is primarily based upon agriculture and local industry. The town abounds with limestone, gold, iron, and porcelain clay.
As of 2019, the National Bureau of Statistics of China estimates the town's population now to be 18,116.
The National Highway G209 passes across the town north to south.