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Cognomen Nyberg (Nyberg , Ниберг , Нюберг ) , in the world, is a common surname. The last name Nyberg is characteristic of Northern Europe, particularly Sweden, where it is quite a common surname, Finland, and Aland Islands (explore the name in all countries). Not in comparison with a country's population, the name is most common in Sweden, the United States, and Finland. Very seldom, Nyberg is the forename as well as the last name.