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Surname Kocon (Kocon , Кокон ) , all over the world, is quite a rare cognomen. The cognomen Kocon is characteristic of Poland, where it is quite a rare surname, Kyrgyzstan, and Slovenia. Not in comparison with a country's population, it is the most numerous in Poland, the United States, and Kyrgyzstan. More frequently, Kocon is the forename as well as the last name.