Xianshuigu Town () is a town in Jinnan District, Tianjin, China. It is located in the south of Jinqiao Subdistrict, west of Gegu Town, north of Beizhakou Town, and east of Xinzhuang Town and Haitang Subdistrict. The town also has an enclave south of Haitang Subdistrict. Its population is 148,602 as of 2010.
The town is recorded as having been a coastal town on the Bay of Bohai around AD 500, but was 18 miles (30 km) inland by the mid-19th century. Its name Xianshuigu () first appeared in record in the year 1377.
Xianshuigu Town is situated on the south of Hai River, with Laohai River and Yueya River both traverse through it. Jinjin Expressway passes through the south of the town.
In 2022, Xianshuigu Town is divided into 56 subdivisions, consisting of the following 29 residential communities and 27 villages: