| Beizhakou Town | |
| Native Name: | 北闸口镇 |
| Settlement Type: | Town |
| Pushpin Map: | Tianjin#China |
| Coordinates: | 38.9492°N 117.3997°W |
| Subdivision Type: | Country |
| Subdivision Name: |  China |
| Subdivision Type1: | Municipality |
| Subdivision Type2: | District |
| Subdivision Name1: | Tianjin |
| Subdivision Name2: | Jinnan |
| Area Total Km2: | 34.37 |
| Elevation M: | 3 |
| Population Total: | 45741 |
| Population As Of: | 2010 |
| Population Density Km2: | auto |
| Timezone1: | CST |
| Utc Offset: | +8 |
| Postal Code Type: | Postal code |
| Postal Code: | 300272 |
| Area Code: | 022 |
| Native Name Lang: | zh |
| Parts: | 8 communities 19 villages |
| Parts Type: | Village-level Divisions |
Beizhakou Town is a town situated in the center of Jinnan District, Tianjin, China. It borders Haitang Subdistrict and Xianshuigu Town to its north, Shuangqiaohe and Xiaozhan Towns to its east, as well as Balitai Town to its west. It also has an exclave within Balitai Town. The town has a population of 45,741 as of 2010.[1]
In 1875, a division of the Huai Army was stationed in Tianin, and constructed Xuanhui Sluice in the area, where several smaller rivers flow into the Yueya River down south. The Sluice and the surrounding settlement later earned the name "Beizhakou" .[2]
| Song and Yuan Dynasties | Qingchi County, Cangzhou Prefecture | |
| Ming Dynasty | Jinghai County, Hejian Prefecture | |
| Qing Dynasty | Tianjin County | |
| 1912 - 1928 | Tianjin County, Zhili | |
| 1928 - 1930 | Tianjin County, Hebei | |
| 1930 - 1944 | Tianjin County, Tianjin | |
| 1944 - 1945 | Jinda County | |
| 1945 - 1948 | Under 8th District | Tianjin County, Tianjin |
| 1948 - 1953 | Under 1st District | Tianin County, Hebei |
| 1953 - 1958 | Beizhakou Town | Jinnanjiao District |
| 1958 - 1961 | Beizhakou Management Area, under Xiaozhan People's Commune | Hexi District, Tianjin |
| 1961 - 1966 | Beizhakou People's Commune | Nanjiao District, Tianjin |
| 1966 - 1968 | Dongfanghong People's Commune | |
| 1968 - 1984 | Beizhakou People's Commune | |
| 1984 - 1992 | Beizhakou Township | |
| 1992 - 1997 | Jinnan District, Tianjin | |
| 1997 - present | Beizhakou Town |
At the end of 2022, Beizhakou Town has 27 subdivisions, including the following 8 residential communities and 19 villages:[3]