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Last name Hayyam (Хайям , Hayyam , Хаям ) , globally, is a very rare family name. The cognomen Hayyam is characteristic of Georgia, where it is a very rare surname, Turkey, and Russia, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Turkey, Russia, and India. More frequently, Hayyam is the forename as well as the last name.