Cognomen ดงเย็น (ดงเย็น 
) , in all the world, is a rare surname. The last name ดงเย็น is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ดงเย็น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ดงเย็น | Thailand |