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Family name Fairuz (فيروز , Fairuz , Файруз ) , all over the world, is a common cognomen. The cognomen Fairuz is habitual in Malaysia, where it is quite a rare surname, Brunei, and Iran. Not in comparison with a country's population, the name is most common in Indonesia, Iran, and Bangladesh. More frequently, Fairuz is the forename as well as the last name.