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Surname Uttan (Uttan , Auttan , อุดตัน ) , worldwide, is a rare family name. The surname Uttan is habitual in Thailand, where it is a very rare surname, South Africa, and Malaysia, where it is an extremely rare surname. In absolute terms, this name is the most popular in Thailand, India, and the United States. More frequently, Uttan is the forename as well as the last name.