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Throughout the world, Haller (Haller , Галлер , هالر) is a rare unisex forename. The forename Haller is habitual in Romania, where it is a rare epicene name, Switzerland, where it is a rare male name, and Austria, where it is a rare female name. Not in comparison with a country's population, it most frequently occurs in Romania, Italy, and China. Much more prevalently, Haller is the last name as well as the forename.
Haller is also a name for the fictitious and mythical characters: .