Yunxi Subdistrict () is a subdistrict and the seat of Yunxi District in Yueyang Prefecture-level City, Hunan, China. It was reformed as a town through the amalgamation of Chengjiao Township (), Yunxi Town () and the former Yunxi Town () on November 30, 2015 and reorganized as a subdistrict in 2017. The subdistrict has an area of with a population of 103,700 (as of 2017). Through the amalgamation of village-level divisions in 2016, the town has 13 villages and 13 communities. Its seat is Fengtaishan Community ().