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Family name Risch (Risch , ريش , Риш ) , all over the world, is a common surname. The family name Risch is characteristic of Western Europe, particularly Liechtenstein, where it is a common surname, Luxembourg, where it is quite a common surname, and Switzerland, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Germany, the United States, and France. Much less frequently, Risch is the forename as well as the last name.