Last name ถ่อน (Thon 
, ถ่อน) , in all the world, is a common surname. The cognomen ถ่อน is habitual in Norway, where it is quite a common surname, Myanmar, where it is quite a rare surname, and South Sudan. Not in comparison with a country's population, the name is most common in Myanmar, Germany, and the United States. Likewise, ถ่อน is the forename as well as the last name.