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In the world, Úlfr (Ulf , Úlfr, Ulvila ) is a common male first name. The forename Úlfr is characteristic of Sweden, where it is quite a common masculine name, Germany, and Norway, where it is quite a rare male name. In absolute terms, this name is the most popular in Germany, Sweden, and the Democratic Republic of the Congo. Very seldom, Úlfr is the last name as well as the forename.
Úlfr is also a name for the fictitious and mythical characters: Ulf Steinke , the fictional character in the television series Stromberg and Ulf Reichstein-Markham .