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Last name Dreyfuss (Dreyfuss
, דרייפוס
) , all over the world, is quite a rare surname. The last name Dreyfuss is characteristic of Israel, where it is quite a rare surname, Switzerland, where it is a rare surname, and France. Not in comparison with a country's population, it is commonest in the United States, France, and Israel. Much less frequently, Dreyfuss is the forename as well as the last name.