Cao Chunan (Chinese: 曹楚南; pinyin: Cáo Chǔnán; August 15, 1930 – August 27, 2020) was a Chinese scientist. His works focused in corrosion and electrochemistry. He was a member of the Jiusan Society. In 1991, he became a member of the Chinese Academy of Sciences. Cao was born in Changshu County, Jiangsu.