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Cognomen ברויר (Breuer , ברויר ) , throughout the world, is a common last name. The family name ברויר is characteristic of Western Europe, particularly Germany, where it is quite a common surname, Austria, and Luxembourg, where it is quite a rare surname. In absolute terms, it most frequently occurs in Germany, the United States, and Austria. Much less frequently, ברויר is the forename as well as the last name.