Surin Upatkoon (Thai: สุรินทร์ อุภัทกุล; RTGS: Surin Uphatkun, Chinese: 劉錦坤) is a Thai billionaire.
He made his fortune in a diversified range of industries, from telecom to lotteries.
Most derives from his realized stake in Intouch Holdings.
He started his business career in 1971 at a weaving firm.
He graduated from Han Chiang High School.