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Cognomen Buser (Buser , Бузер ) , in the world, is a common last name. The family name Buser is habitual in Switzerland, where it is quite a common surname, Ethiopia, where it is quite a rare surname, and Slovenia. Not in comparison with a country's population, it is commonest in Ethiopia, Switzerland, and the United States. Likewise, Buser is the forename as well as the last name.