Xiazhuzhuang Subdistrict (simplified Chinese: 下朱庄街道; traditional Chinese: 下朱莊街道; pinyin: Xiàzhūzhuāng Jiēdào) is a subdistrict in the south side of Wuqing District, Tianjin, China. It shares border with Yangcun Subdistrict to its north, Meichang Town to its east, Dazhangzhuang and Shuangjie Towns in its south, and Huangzhuang Subdistrict in its west. As of 2010, it has a census population of 24,295.

The region was initially named Xiazhuzhuang (Chinese: 夏朱庄; lit. 'Xia and Zhu's Villa') for the two prominent families of the settlement during the Ming dynasty. Later when the Xia family moved out, the name was changed to Xiazhuzhuang (Chinese: 下朱庄) to distinguish from the Shangzhuzhuang Village to the north.

Xiazhuzhuang Subdistrict is located on the eastern bank of the Grand Canal. The National Highway 103 passes through its western portion. The Yuzhuang Reservoir is situated on its eastern side. The average elevation of the subdistrict is 6 meters above the sea level.

In 1986, this region was organized into Xiazhuzhuang Township. The township was upgraded into a subdistrict in the year 2001.

By the end of 2022, the following 16 residential communities constituted Xiazhuzhuang Subdistrict:

• List of township-level divisions of Tianjin