Navin Yavapolkul (Thai: นาวิน เยาวพลกุล; ; born February 8, 1979) is a Thai singer, actor and lecturer of Kasetsart University.

Navin Yavapolkul or Navin Tar was born February 8, 1979, in Bangkok, Thailand. He graduated from Kasetsart University (First class honors) with a Bachelor of Economic.,^[1] Oregon State University and University of California, Davis).^[2] After Navin Tar graduated PhD University of California, Davis). He is a professor at Kasetsart University, where he teaches Mathematics for Economists and Microeconomics.

Now Navin Tar interested in Triathlon. He joined triathlon.

He married with Passawee Payakbud on March 25, 2017^[3] He has daughter name Pinnava Yavapolkul nickname Luca.^[4]

• Post–Uruguay Round price linkages between developed and developing countries: the case of rice and wheat markets.

• Oralmate (1999)
• Brand (2000)
• Klear Shampoo (2013)
• Userreen(2014)
• Suzuki Ciaz(2015)
• Minere (2016)
• Sunplay (2016)