Cognomen Dahg (Dahg 
) , in the entire world, is a very rare family name. The surname Dahg is characteristic of Northern Europe, particularly Sweden, where it is a rare surname, Ireland, and Denmark, where it is a very rare surname. Much less frequently, Dahg is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dahg | Sweden, Spain, Ireland, United States, Denmark |