Surname Ganberg (Ganberg 
) , throughout the world, is a very rare cognomen. The last name Ganberg is characteristic of Norway, where it is a very rare surname, Canada, and Argentina, where it is an extremely rare surname. In absolute terms, the name is most common in the United States, Canada, and Norway.
| VARIANT | COUNTRY |
|---|---|
| Ganberg | Norway, United Kingdom, Canada, Argentina, United States |