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Last name 변 (Byun , Byeon , Pyon ) , around the globe, is a common cognomen. The last name 변 is characteristic of South Korea, where it is quite a common surname, Malta, where it is quite a rare surname, and Hong Kong. Not in comparison with a country's population, it is the most numerous in South Korea, the United States, and Indonesia. Very seldom, 변 is the forename as well as the last name.