Gulou Subdistrict () is a subdistrict situated on the northeast corner of Nankai District, Tianjin, China. It borders Jieyuan and Dahongtong Subdistricts to its north, Guangfudao Subdistrict to its east, Nanshi and Xingnan Subdistricts to its south, as well as Lingdangge and Guangkai Subdistricts to its west. In 2010, its total population was 28,788.
The name Gulou () is referring to a drum tower that was first constructed in the region around 1493.
Gulou subdistrict is on western bank of Hai River and southern bank of Nanyun River.
As of 2023, Gulou Subdistrict has subdivided 9 residential communities. They are listed as follows: