Donghe Township (simplified Chinese: 东河乡; traditional Chinese: 東河鄉; pinyin: Dōnghé Xiāng) is a township in Lancang Lahu Autonomous County, Yunnan, China.

As of the 2017 census it had a population of 11,115 and an area of 256-square-kilometre (99 sq mi).

After establishment of the Communist State, it was merged into Dashan District (大山区).

Significant crops include grain, corn, wheat, tea, and fruit.

As of 2017, the National Bureau of Statistics of China estimates the township's population now to be 11,115.