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Cognomen Kuppi (Kopp , Kuppi , Koppâ) , around the world, is a common surname. The family name Kuppi is characteristic of Western Europe, particularly Germany, where it is quite a common surname, Switzerland, and Austria. Measured by absolute frequency, this name is the most popular in Germany, the United States, and France. Very seldom, Kuppi is the forename as well as the last name.