Damatou is a subdistrict in Ziyang District, which is part of Yiyang Prefecture-level City in Hunan Province, China. It serves as the seat of Ziyang District.
The present subdistrict was formed in 2005 through the amalgamation of Dashuiping Subdistrict and the former Damatou Subdistrict. It covers an area of 5.25 square kilometres (2.03 square miles) and has a population of 43,483. It is divided into ten communities and one village.