Nan'gang District (Chinese: 南岗区; pinyin: Nán-gǎng Qū; Harbin dialect pronunciation: Nángàng Qū ) is one of nine districts of the prefecture-level city of Harbin, the capital of Heilongjiang Province, Northeast China, forming part of the city's urban core.

It is home to major offices of the provincial government and is the political heart of Heilongjiang province.

By far the most populous and densely populated of Harbin's county-level divisions,[4] it borders the districts of Daowai and Xiangfang to the northeast, Pingfang to the southeast, Shuangcheng to the south, and Daoli to the west.

A monument honoring fallen Soviet military personnel who took part in the 1945 Operation August Storm, which liberated Northeast China from Japanese control, is located in Nan'gang District.

There are 18 subdistricts, one town, and one ethnic township in the district:[5] Subdistricts: Town: The only ethnic township is Hongqi Manchu Ethnic Township (红旗满族乡) 2 Formally part of Oroqen Banner in Inner Mongolia but administered de facto by Daxing'anling Prefecture in Heilongjiang.