Huagu Subdistrict () is a subdistrict of Dongkou County in Hunan, China. It was one of three subdistricts established in July 2015. The subdistrict has an area of with a population of 63,000 (as of 2015). The subdistrict of Huagu has 9 villages and a community under its jurisdiction.
The former Huagu Township () was reorganized as a subdistrict in July 2015.
The subdistrict of Huagu has a community and 9 villages under its jurisdiction.