Donghui () is a town in Lancang Lahu Autonomous County, Yunnan, China. As of the 2018 census it had a population of 13,487 and an area of .
As of 2016, the town is divided into six villages:
In the Qing dynasty (1644–1911), it came under the jurisdiction of Mengbin Tusi ().
During the Republic of China (1912-1949), it belonged to Donglang Township ().
In 1949, the Donghui District () was set up. It was renamed Hongwei Commune () in 1969 and was changed to Donghui Commune () in 1972. It was incorporated as a township in 1988. On December 28, 2012, it was upgraded to a town.
It lies at the southwestern of Lancang Lahu Autonomous County, bordering Menglian Dai, Lahu and Va Autonomous County to the west, Nuofu Township to the south, Laba Township to the north, and Menglang Town to the east.
The Dongjiao River (), Nanhong River () and Nange River () flow through the town.
The region's economy is based on agriculture and pig-breeding. Significant crops include grains, corns, and buckwheats.
As of 2018, the National Bureau of Statistics of China estimates the town's population now to be 13,487.
The Provincial Highway S309 passes across the town northeast to southwest.