Cognomen เขื่อน (Dams 
, Diket 
, เขื่อน) , around the world, is quite a common surname. The last name เขื่อน is characteristic of Suriname, where it is quite a common surname, Belgium, and Netherlands, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Western Europe, particularly Germany, Belgium, and Netherlands. Very seldom, เขื่อน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dams | Germany, Belgium, United States, Poland, France |
| Diket | Philippines, Nigeria, Thailand, United States, India |
| A-Dam | Jordan, Thailand |