Tan Weihong (Chinese: 谭蔚泓; born May 12, 1960) is a Chinese chemist. He is the University of Florida Distinguished Professor, V. T. and Louise Jackson Professor of Chemistry at the University of Florida, and also the Professor of Chemistry and Chemical Engineering, Professor of Biology, and Director of the State Key Laboratory of Chemo/Biosensing and Chemometrics at Hunan University in China. He was elected an academician of the Chinese Academy of Sciences in 2015 and The World Academy of Sciences in 2016.