Jiexi County (Chinese: 揭西; pinyin: Jiēxī) is a county of eastern Guangdong province, China. It is under the administration of Jieyang City.
Immigrants from Jiexi form a large overseas Chinese population who speak Hepo Hakka dialect (70%), mainly in Sarawak (Malaysia), and Bangka Belitung (Indonesia). Other people in Jiexi speak the Chaoshan dialect (30%).