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Cognomen Kulset (กุลเศรษฐ์ , กุลเศรษฐ , Kulset ) , in the world, is a rare family name. The cognomen Kulset is characteristic of Norway, where it is quite a rare surname, Denmark, where it is a rare surname, and Thailand, where it is a very rare surname. Much less frequently, Kulset is the forename as well as the last name.