Huaxin Subdistrict () is a subdistrict located in the northern portion of Dongli District, Tianjin, China. It is situated in the east of Huaming Subdistrict and west of Donglihu Subdistrict.
The subdistrict was first established as Huaming Xinjiayuan Subdistrict on December 27, 2013. In the following year its name was abbreviated to Huaxin Subdistrict.
By 2022, Huaxin Subdistrict oversees 5 residential communities. They are listed as follows: