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Last name Yasan (Yasan , Ясан , ยะสาน ) , across the world, is quite a common family name. The family name Yasan is habitual in Turkey, where it is quite a rare surname, Malaysia, where it is a rare surname, and Japan. Measured by absolute frequency, it is commonest in Turkey, India, and Japan. Very seldom, Yasan is the forename as well as the last name.