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Cognomen Korneluk (Korneluk ) , worldwide, is a rare family name. The cognomen Korneluk is characteristic of Poland, where it is quite a rare surname, Ireland, where it is a rare surname, and Canada, where it is a very rare surname. In absolute terms, it most frequently occurs in Poland, the United States, and Canada. More prevalently, Korneluk is the forename as well as the last name.