Cognomen Фриденберг (Frydenberg 
, Fridenberg 
, Фриденберг 
) , in the entire world, is a rare surname. The last name Фриденберг is habitual in Norway, where it is quite a rare surname, Denmark, and Australia, where it is a rare surname. Measured by absolute frequency, the name is most common in Norway, Russia, and Denmark. Much less frequently, Фриденберг is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Frydenberg | Norway, Australia, United States, Argentina, Denmark |
| Fridenberg | Russia, Spain, United States, Argentina, Canada |
| Фриденберг | Russia, Ukraine |