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Last name คุณาวุฒิ (คุณาวุฒิ , Kunawut , Khunawut ) , in all the world, is a rare surname. The cognomen คุณาวุฒิ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, คุณาวุฒิ is the forename as well as the last name.