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Surname Buon (Buon
, بيون
, บูน
) , worldwide, is quite a rare cognomen. The last name Buon is habitual in Macao, where it is quite a rare surname, France, and Haiti. Not in comparison with a country's population, it is the most numerous in France, Iran, and Vietnam. Much less frequently, Buon is the forename as well as the last name.