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Family name Orosz (Orosz , Орос ) , in the entire world, is a common surname. The last name Orosz is habitual in Eastern Europe, particularly Hungary, where it is a common surname, Slovakia, where it is quite a common surname, and Ukraine. Not in comparison with a country's population, this name is the most popular in Hungary, Ukraine, and the United States. Very seldom, Orosz is the forename as well as the last name.