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Surname Халлер (Haller , Халлер , Khaller) , globally, is a common family name. The surname Халлер is characteristic of Western Europe, particularly Switzerland, where it is quite a common surname, Austria, and Germany. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Switzerland. Much less frequently, Халлер is the forename as well as the last name.