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Last name Dugat (Dugat , Дюга , دوكا ) , around the world, is quite a rare cognomen. The last name Dugat is habitual in Slovakia, where it is quite a rare surname, France, where it is a rare surname, and Sudan. Measured by absolute frequency, it is commonest in France, the United States, and Sudan. Much less frequently, Dugat is the forename as well as the last name.