Guidong County (simplified Chinese: 桂东县; traditional Chinese: 桂東縣; pinyin: Guìdōng Xiàn) is under the administration of Chenzhou, Hunan province, China. The easternmost county-level division of Chenzhou City, it borders the prefecture-level cities of Zhuzhou to the north, and Ji'an and Ganzhou (both Jiangxi) to the east.