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Surname ชลวัฒน์ (ชลวัฒน์ , Chonlawat , Chollawat ) , in the world, is a rare family name. The family name ชลวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, ชลวัฒน์ is the forename as well as the last name.