Kasit Piromya (born 15 December 1944 in Thonburi) is a Thai diplomat, Democrat Party politician, and former People's Alliance for Democracy ("Yellow Shirts") activist. He was Foreign Minister of Thailand under Abhisit Vejjajiva from 2008 to 2011.
He has served as the ambassador to the Soviet Union and Mongolia, Russia and the former Soviet republics, Indonesia and Papua New Guinea, Germany, Japan, and the United States. Most recently he has appeared on government opposition channels to denounce the current government as well as to denounce the US for interfering in Thai affairs.
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- "H.E. Ambassador Kasit Piromya". U.S.–Thailand Business Council. Retrieved 2011-08-02.