Theera Wongsamut (Thai: ธีระ วงศ์สมุทร; born 15 December 1948) is former minister of Agriculture and Cooperatives of Thailand.
He starts his career as Engineer in Construction Division, Royal Irrigation Department in 1971.
Then he was appointed as Deputy Director-General of Irrigation Department, Ministry of Agriculture and Cooperatives in 1998.
Finally, he was Director-General of Royal Irrigation Department, Ministry of Agriculture and Cooperatives.
In the 2008 Abhisit Vejjajiva and Yingluck Shinawatra government, he was appointed as Minister of the Ministry of Agriculture and Cooperatives.