Cognomen เซิ่น (Soen 
, เซิ่น) , in the entire world, is quite a rare last name. The surname เซิ่น is characteristic of Belgium, where it is quite a rare surname, Indonesia, where it is a rare surname, and Malaysia. In absolute terms, this name is the most popular in Indonesia, France, and Myanmar. Likewise, เซิ่น is the forename as well as the last name.