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Cognomen Schwan (舒曼 , Schwan , Шван ) , in all the world, is a common family name. The last name Schwan is habitual in Western Europe, particularly Germany, where it is quite a rare surname, Switzerland, and Austria. Measured by absolute frequency, the name is most common in Germany, the United States, and China. Much less frequently, Schwan is the forename as well as the last name.