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Family name Риско (Risko , Riesco , Rysko ) , around the world, is quite a common cognomen. The family name Риско is habitual in Andorra, where it is quite a common surname, Hungary, where it is quite a rare surname, and Chile. Not in comparison with a country's population, it is commonest in Argentina, Spain, and the United States. Likewise, Риско is the forename as well as the last name.