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Cognomen Rieser (Rieser , 里泽 , Ризер ) , around the world, is quite a common last name. The surname Rieser is characteristic of Western Europe, particularly Austria, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Germany. In absolute terms, this name is the most popular in Austria, Germany, and the United States. Much less frequently, Rieser is the forename as well as the last name.