Heshan District () is one of two districts in Yiyang City, Hunan Province, China. It is also the most populous district in the province.
The district is located on the southern bank of Zi River, the Xiang River runs away on the eastern margin. It is bordered to the north by Ziyang District, to the east by Xiangyin County, to the south by Wangcheng District of Changsha and Ningxiang City, to the west by Taojiang County.
Heshan District covers an area of , as of 2015, it had a registered population of 920,000. The county has 6 subdistricts, 10 towns and a township under its jurisdiction. The government seat is Hongjiacun ().
Heshan District has 6 subdistricts, 9 towns and 1 township under its jurisdictions.
The Former Residence of Zhou Libo is a popular attraction.