Nanyuan Subdistrict () is one of the 14 subdistricts of Fengtai District, Beijing, China. It is located on the southeastern corner of Fengtai, neighbors Heyi Subdistrict and Nanyuan Township to the north, Donggaodi Subdistrict and Jiugong Township to the east, Xihongmen Township to the south, and Nanyuan Township to the west. The subdistrict has 61,926 residents as of 2020.
The subdistrict's current name () comes from its location as southern part of the Imperial Garden of that used to exist in the region.
As of 2021, Nanyuan Subdistrict is made up of 20 subdivisions, with 17 communities and 3 villages: