Xingnan Subdistrict is a subdistrict situated on the northeast of Nankai District, Tianjin, China. It borders Gulou Subdistrict to its north, Nanshi and Quanyechang Subdistricts to its east. Wanxing Subdistrict to its south, Guangkai Subdistrict to its west. In the year 2010, the subdistrict had 43,744 inhabitants under its administration.