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Cognomen Ritz (Ritz , Риц , 里茨) , globally, is a common family name. The cognomen Ritz is habitual in Western Europe, particularly Switzerland, where it is quite a common surname, Germany, where it is quite a rare surname, and Luxembourg. In absolute terms, it is commonest in the United States, Germany, and France. Very seldom, Ritz is the forename as well as the last name.