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Cognomen Schmutz (Schmutz , Šmuc , Шмуц ) , in all the world, is quite a common last name. The last name Schmutz is characteristic of Switzerland, where it is quite a common surname, Austria, where it is quite a rare surname, and Croatia. Measured by absolute frequency, it most frequently occurs in Switzerland, Germany, and the United States. Much less frequently, Schmutz is the forename as well as the last name.