Guang'anmenwai Subdistrict () is a subdistrict on the southwest corner of the Xicheng District, Beijing, China. As of 2020, it has a total population of 198,657.
The subdistrict got its name due to its location outside of Guang'anmen () and the former Beijing city wall.
As of 2021, there are a total of 38 communities within the subdistrict: