Family name เทิน (เทิน 
, Thoen 
) , in the world, is quite a rare last name. The family name เทิน is characteristic of Norway, where it is quite a rare surname, Belgium, and Netherlands. Measured by absolute frequency, this name is the most popular in the United States, Belgium, and Netherlands. Much less frequently, เทิน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เทิน | Thailand |
| Thoen | Norway, Brazil, United States, Netherlands, Belgium |