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Cognomen Chaon (Chaon , ชะโอน , ชะอ้อน) , across the world, is a rare last name. The last name Chaon is characteristic of France, where it is a rare surname, Thailand, and Malaysia, where it is a very rare surname. In absolute terms, it most frequently occurs in France, the United States, and Thailand. More prevalently, Chaon is the forename as well as the last name.