Cognomen קולברג (Colberg 
, Kohlberg 
, קולברג 
) , across the world, is quite a rare surname. The family name קולברג is characteristic of Puerto Rico, where it is quite a rare surname, Sweden, and Denmark. Not in comparison with a country's population, it most frequently occurs in the United States, Germany, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Colberg | Germany, Puerto Rico, United States, Sweden, Bolivia |
| Kohlberg | Germany, Switzerland, United States, Sweden, Bolivia |
| קולברג | Israel |
| Cullberg | Denmark, United States, Sweden |
|
איתן קולברג Israeli orientalist, IL (b. 1943) |
|
|
ירון קולברג Israeli musician, IL (b. 1983) |
|
| אילון קולברג Israeli mathematician, IL (b. 1945) |
|