Changhong Subdistrict (simplified Chinese: 长虹街道; traditional Chinese: 長虹街道; pinyin: Chánghóng Jiēdào) is a subdistrict located within Nankai District, Tianjin, China. It borders Shaogongzhuang and Jieyuan Subdistricts to the north, Lingdangge and Guangkai Subdistricts to the east, Wanxing and Jialing Street Subdistricts to the south, and Xiangyang Road Subdistrict to the west. Its total population was 73,346 as of 2010.

The name Changhong (Chinese: 长虹; lit. 'Long Rainbow') is taken from Changhong Park that is located on the southeastern section of the subdistrict.

Changhong subdistrict is on the southern bank of Nanyun River and western bank of Jin River.

Timeline of Changhong Subdistrict

Year	Status	Part of
1958 - 1960	Dongshengli Subdistrict	Nankai District, Tianjin
1960 - 1962	Dongshengli People's Commune
1962 - 1966	Dongshengli Subdistrict Xiyingmenwai Subdistrict
1966 - 1968		Dongfanghong District, Tianjin
1968 - 1978	Dongshengli Subdistrict	Nankai District, Tianjin
1978 - 1999	Dongshengli Subdistrict Xiyingmenwai Subdistrict
1999 - present	Changhong Subdistrict

So far in 2021, Changhong Subdistrict composes of 13 residential communities, all of which are listed below:

Subdivision Names	Name Transliterations
光明路	Guangminglu
雅云里	Yayunli
翰园里	Hanyuanli
雅美里	Yameili
建华里	Jianhuali
平陆东里	Pinglu Dongli
东王台	Dongwangtai
幸福南里	Xingfu Nanli
广灵里	Guanglingli
华美里	Huameili
天香水畔	Tianxiang Shuipan
雅园里	Yayuanli
盛达园	Shengdali

• 
  Lake within Changhong Park, 2007
• 
  Changhong Park in the winter, 2011
• 
  Street view near Fenshui Avenue, 2014
• 
  Aerial view of the Changhong Park, 2016