Cognomen ยงเส็ง (ยงเส็ง 
) , all over the world, is a very rare surname. The last name ยงเส็ง is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ยงเส็ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ยงเส็ง | Thailand |