Family name คำทุ่น (Buoy 
, คำทุ่น) , in all the world, is quite a rare surname. The surname คำทุ่น is characteristic of Ghana, where it is a rare surname, Kenya, and Malaysia. Not in comparison with a country's population, this name is the most popular in the United States, Kenya, and Ghana. Much less frequently, คำทุ่น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buoy | Malaysia, Ghana, Philippines, United States, Kenya |