Xiaonan District () is a district of the city of Xiaogan, Hubei, China. It is under the administration of Xiaogan City.
The district is divided into 4 subdistricts, 8 towns, 3 townships and 6 township-level areas.
Four subdistricts are: Shuyuan Subdistrict (), Xinhua Subdistrict (), Guangchang Subdistrict (), Chezhan Subdistrict ().
Eight towns are: Xinpu (), Xihe (), Yangdian (), Dougang (), Xiaogang (), Maochen (), Sancha (), Zhuzhan ().
Three townships are: Pengxing Township (), Wolong Township (), Minji Township ().
Six other areas: Xiaonan Economic Development Area (), Zhuhu Farm (), Dongshantou Stock Station (), Danyang Management Office (), Xiaotian Management Office (), Huaiyin Management Office ().