Wu Yundong () is a Chinese chemist. He is a theoretical organic chemist based in the Hong Kong University of Science and Technology and holds a concurrent position in Peking University. He was born 10 May 1957 in Liyang, Jiangsu, China. He graduated with a BS from Lanzhou University in 1982 and received his PhD in 1986 from the University of Pittsburgh, working with Kendall N. Houk in computational organic chemistry. He went on to become a research associate in University of California Los Angeles from 1989 to 1992, before beginning his independent research career in Hong Kong.
Professor Wu has received numerous awards in his career; in December 2005, he was elected as an Academician of the prestigious Chinese Academy of Sciences. His research interest focuses mainly on the elucidation of reaction mechanisms, protein-protein interactions/aggregations (Alzheimer's disease etc.) and conformational features of natural and unnatural peptides.