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