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Cognomen Dreier (Dreier , درير , Дрейер ) , in all the world, is a common family name. The cognomen Dreier is characteristic of Western Europe, particularly Switzerland, where it is quite a common surname, Germany, where it is quite a rare surname, and Austria. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Switzerland. Much less frequently, Dreier is the forename as well as the last name.