Tangjiakou Subdistrict (Chinese: 唐家口街道; pinyin: Tángjiākǒu Jiēdào) is a subdistrict located on the western side of Hedong District, Tianjin.

it borders Xiangyanglou and Shanghang Road Subdistricts to its east, Dazhigu and Dawangzhuang Subdistricts to its south, and Chunhua Subdistrict to its northwest.

[1] Its name can be translated as "Tang family's Gate".

By the end of 2021, Tangjiakou Subdistrict administered 12 communities.

They are, by the order of their Administrative Division Codes:[3]