Xinning County (Chinese: 新宁县; pinyin: Xīnníng Xiàn) is a county in the Province of Hunan, China, it is under the administration of Shaoyang City.

Located on the south western margin of Hunan, the county is bordered to the northeast by Shaoyang County, to the northwest by Wugang City, to the west by Chengbu Autonomous County, to the south by Ziyuan County of Guangxi, to the east by Dong'an County.

Xinning County covers 2,756.13 km2 (1,064.15 sq mi), as of 2015, it had a registered population of 649,700 and a permanent resident population of 574,100.

The Xinning County Gazetteer (1995:653) lists the following ethnic groups and their respective locations.

This Hunan location article is a stub.