Suizhong County (simplified Chinese: 绥中县; traditional Chinese: 綏中縣; pinyin: Suízhōng Xiàn) is a county of southwestern Liaoning, People's Republic of China. It is located on the northern coast of the Bohai Sea and is the southernmost county of Huludao City (as well as non-peninsular Liaoning), bordering Hebei to the southwest. The county has an area of 2,765 square kilometres (1,068 sq mi), a population of 640,000, and is an economically important region within Huludao.