Mishui Town () is a town and the seat of Hengdong County in Hunan, China. The town has an area of with a household population of 150,000 (as of 2017). The town of Mishui has 20 villages and 8 communities under its jurisdiction, and its seat is Yinbin Community ().
The town of Mishui was organized through the merger of Chengguan Town, Tazhuang Township and Zhenzhu Township and named after the Mishui River on November 18, 2015.
Chengguan Town () was reorganized in 1984 from the former Chenguan Commune, founded in 1966, and is now the southwestern part of Mishui Town. The town had an area of with a population of 55,556 as of the 2010 census. It was divided into 6 communities of Binjiang (滨æ±Â), Dutou (渡头), Jiantou (æÂ§å¤´), Xingdong (å ´ä¸Â), Yangshan (æÂ¨å±±) and Yingbin (è¿Â宾), and 9 villages: Dadian (大ç¸), Dutouping (渡头åª), Jin'e (éÂÂé¹ ), Jinhua (éÂÂè±), Jinyan (éÂÂå °), Queqiao (鹤桥), Xinhe (æÂ°é¹¤), Yuetang (æÂÂå¡Â) and Yuexiao (岳宵).
Tazhuang Township () was established in 1956 and is now the southeastern part of the present Mishui Town. It had an area of with a population of 13,959 as of the 2010 census. It was divided into 16 villages: Datang (), Datuo (), Fenglin (), Fenglong (), Huayuan (), Jingming (), Langshan (), Minggang (), Mulin (), Shanglang (), Tazhuang (), Tongxiao (), Xiannan (), Zhengping (), Zhonglang () and Zhongsen ().
Zhenzhu Township () was a part of Bailian Township in 1950, founded in 1956, and is now the northern part of Mishui Town. The township had an area of with a population of 16,906 as of the 2010 census. It was divided into 18 villages: Beichong (), Dajiang (), Danantang (), Dawu (), Futong (), Huangzitang (), Lingyan (), Shanchong (), Shijiang (), Shitou (), Shuangfeng (), Tongsheng (), Xiaojiang (), Xiaoshan (), Xiaowu (), Xinkai (), Yinxiang () and Zhenzhu ().
The town of Mishui is located in the northern middle part of Hengdong County. It is bordered by the towns of Bailian and Yangqiao to the northeast, Ganxi Town to the southeast, Wuji Town to the south and southwest, Xintang Town to the northwest, Shiwan Town to the north. It covers an area of .
Through the amalgamation of village-level divisions in 2016, the number of its divisions was reduced to 28 from 49.