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Cognomen Jamak (Jamak , Ямак ) , throughout the world, is quite a rare last name. The surname Jamak is habitual in Bosnia and Herzegovina, where it is quite a common surname, Malaysia, where it is quite a rare surname, and United Arab Emirates, where it is a rare surname. In absolute terms, it is the most numerous in Bosnia and Herzegovina, Malaysia, and Indonesia. Also, Jamak is the forename as well as the last name.