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Family name Leber (Leber , Léber , Лебер ) , in the world, is a common last name. The family name Leber is habitual in Western Europe, particularly Austria, where it is quite a rare surname, Switzerland, and Germany. Measured by absolute frequency, the name is most common in Germany, the United States, and Austria. Much less frequently, Leber is the forename as well as the last name.