Zhao Jincai (; born December 1960) is a Chinese environmental chemist and researcher of the Institute of Chemistry of the Chinese Academy of Sciences. In April 1994, he obtained a doctorate from Meisei University in Japan. In 2011 he was elected as an academician of CAS. He is a professor at the Institute of Chemistry, CAS; Deputy Director of Key Laboratory of Photochemistry; Deputy Director of Science Committee of Molecular Sciences Centre, CAS. His research mainly focuses on the photocatalytic degradation of toxic and persistent organic pollutants. Zhao introduced -based photocatalyst under visible light, and discovered a new way for oxygen atom transfer during photocatalytic reactions.