Last name ตั้ง (Set 
, ตั้ง) , throughout the world, is a common surname. The cognomen ตั้ง is habitual in Myanmar, where it is quite a common surname, Guatemala, where it is quite a rare surname, and Botswana. Measured by absolute frequency, the name is most common in Myanmar, India, and Indonesia. Much less frequently, ตั้ง is the forename as well as the last name.