Xinkaihe Subdistrict (simplified Chinese: 新开河街道; traditional Chinese: 新開河街道; pinyin: Xīnkāihé Jiēdào) is a subdistrict located on northwestern Hebei District, Tianjin, China.

It is situated to the southeast of Tianmu Town, southwest of Tiedong Road Subdistrict, north of Hongshunli and Santiaoshi Subdistricts, and east of Xigu and Dingzigu Subdistricts.

[1] The subdistrict was named after Xinkai (Chinese: 新开; lit.

'New Open') River that is located on its southeast.

[2] At the end of 2021, Xinkaihe Subdistrict consisted of 17 residential communities.