Shuangxin Subdistrict (simplified Chinese: 双新街道; traditional Chinese: 雙新街道; pinyin: Shuāngxīn Jiēdào) is a subdistrict situated in the west side of Jinnan District, Tianjin, China.

It shares border with Dasi Town in the south, and is surrounded by Shuanggang Town in other directions.

The subdistrict was established in 2015.

[1] Its name literally means "Double New".

By the end of 2022, Shuangxin Subdistrict composes 7 residential communities.