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Cognomen كوسو (Koso , Couso , Cossu ) , around the world, is a common surname. The family name كوسو is characteristic of Pakistan, where it is quite a common surname, Italy, and Bosnia and Herzegovina, where it is quite a rare surname. In absolute terms, it is the most numerous in Pakistan, Italy, and Argentina. Very seldom, كوسو is the forename as well as the last name.