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Cognomen Kvon (Kvon , Квон ) , across the world, is quite a rare last name. The surname Kvon is characteristic of Kazakhstan, where it is quite a rare surname, Azerbaijan, and Kyrgyzstan, where it is a rare surname. Not in comparison with a country's population, it is commonest in Russia, Kazakhstan, and Azerbaijan. Very seldom, Kvon is the forename as well as the last name.