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Surname แสงพัฒน์ (Sangphat , Sangpat , แสงพัฒน์ ) , in the world, is a rare family name. The last name แสงพัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, แสงพัฒน์ is the forename as well as the last name.