Kobsak Sabhavasu (, born 28 March 1949) is a Thai politician and former Deputy Prime Minister.
In 2009, Kobsak and Korn Chatikavanij spoke in support of an economic stimulus plan proposed by Prime Minister Abhisit Vejjajiva. During the speech, Kobsak said that country's unemployment rate could be expected to remain at 2-2.5% until 2010.
In 2014, Kobsak urged the country's Anti Money Laundering Office to focus on bringing criminal suspects to justice rather than on investigating perceived enemies of Prime Minister Thaksin Shinawatra.
Kobsak has received the following royal decorations in the Honours System of Thailand: