Dongning (simplified Chinese: 东宁; traditional Chinese: 東寧; pinyin: Dōngníng; lit.

'Eastern tranquillity') is a county-level city of southeastern Heilongjiang province, China.

It is under the jurisdiction of the prefecture-level city of Mudanjiang.

Dongning City is divided into 6 towns.

[2] 2 Formally part of Oroqen Banner in Inner Mongolia but administered de facto by Daxing'anling Prefecture in Heilongjiang.