Chun Yung-woo (born January 27, 1952, in Milyang, Gyeongsangnam-do, Republic of Korea) is a top secretary of the Foreign Affairs and Security department in the Office of the President of the Republic of Korea. He graduated from Busan University majoring in French literature and received a master's degree from Columbia University. He has worked as a diplomat of the Republic of Korea for more than 30 years. He served as a Korean ambassador in the Korean Embassy in the United Kingdom (May 2008 – November 2009) and became Deputy Minister of Foreign Affairs and Trade. He participated in the Six-party talks on the North Korean nuclear program as Chief Negotiator for South Korea.