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Cognomen Dyrdal (Dyrdal ) , throughout the world, is a rare family name. The cognomen Dyrdal is characteristic of Norway, where it is quite a rare surname, Denmark, where it is a rare surname, and Poland. Not in comparison with a country's population, the name is most common in Norway, Poland, and the United States. Likewise, Dyrdal is the forename as well as the last name.