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Cognomen Lupin (Lupin , Лупин , لوبن) , all over the world, is quite a rare last name. The family name Lupin is characteristic of France, where it is a rare surname, Russia, and Italy. Not in comparison with a country's population, this name is the most popular in Russia, Bangladesh, and France. Very seldom, Lupin is the forename as well as the last name.