Yongyuth Yuthavong (Thai: ยงยุทธ ยุทธวงศ์, born 1944) is a Thai biochemistry researcher and science policy administrator. He is an emeritus professor at the Biochemistry Department of Mahidol University's Faculty of Science, and is known for research work on anti-malarials and drug resistance thereof. He also played a key role in Thailand's science policy planning in the 1980s and 1990s, helping to establish the Ministry of Science and Technology, the National Center for Genetic Engineering and Biotechnology (BIOTEC) and the National Science and Technology Development Agency (NSTDA). He served as Minister of Science and Technology from 2006 to 2008 and as deputy prime minister from 2014 to 2015, in both cases appointed by non-elected governments following coups in 2006 and 2014.[1] [2]