Jixi County (simplified Chinese: 绩溪县; traditional Chinese: 績溪縣; pinyin: Jìxī Xiàn) is a county in Anhui Province, People's Republic of China, under the jurisdiction of Xuancheng City. It has a population of 180,000 and an area of 1,126 km2 (435 sq mi). Jixi borders Lingan in the east, Ningguo and Jingde in the south, and Taiping to the west. Jixi County is a hilly region with many rivers and bodies of water.
Jixi County has jurisdiction over seven towns and ten townships.
Jixi is served by the Anhui–Jiangxi Railway.