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Last name Rupprecht (Rupprecht ) , in the entire world, is a common cognomen. The family name Rupprecht is habitual in Western Europe, particularly Germany, where it is quite a common surname, Austria, where it is quite a rare surname, and Switzerland. Measured by absolute frequency, the name is most common in Germany, the United States, and Austria. Very seldom, Rupprecht is the forename as well as the last name.