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Last name สำเพ็ง (Sampeang , สำเพ็ง, Samphaiboon ) , all over the world, is a very rare cognomen. The last name สำเพ็ง is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. More frequently, สำเพ็ง is the forename as well as the last name.