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Cognomen บุญนา (Bunna , Bhunna , บุญนา ) , throughout the world, is quite a rare last name. The family name บุญนา is habitual in Thailand, where it is a rare surname, Cambodia, and Hungary. In absolute terms, it most frequently occurs in Thailand, Indonesia, and India. Much more prevalently, บุญนา is the forename as well as the last name.