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Cognomen פרוסט (Frost , Proust , Prost ) , around the globe, is a widespread last name. The surname פרוסט is characteristic of Northern Europe, particularly Denmark, where it is quite a common surname, Isle of Man, and the United Kingdom (explore the name in all countries). Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and France. Much less frequently, פרוסט is the forename as well as the last name.