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