Guangkai Subdistrict (simplified Chinese: 广开街道; traditional Chinese: 廣開街道; pinyin: Guǎngkāi Jiēdào) is a subdistrict on the northern part of Nankai District, Tianjin, China.

It borders Lingdangge Subdistrict to its north, Gulou and Xingnan Subdistircts to its east, Wanxing Subdistrict to its south, and Changhong Subdistrict to its west.

In the year 2010, the subdistrict was home to 73,299 residents.

[1] Ximennan Subdistrict Liuhe Shichang Subdistrict Dongshengli Subdistrict Ximennan Subdistrict Dongshengli Subdistrict Ximennan People's Commune Dongshengli People's Commune Ximennan Subdistrict Liuhe Shichang Subdistrict Dongshengli Subdistrict Ximennan Subdistrict Liuhe Shichang Subdistrict Dongshengli Subdistrict As of 2021, Guangkai Subdistrict was made up of 13 residential communities.

They are listed in the table below:[3]