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Cognomen Gramma (Gram , Gramma , Gramo ) , all over the world, is a common surname. The last name Gramma is habitual in Denmark, where it is quite a common surname, Norway, where it is quite a rare surname, and Moldova. Measured by absolute frequency, the name is most common in Denmark, the United States, and India. Much less frequently, Gramma is the forename as well as the last name.