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Surname Ilgin (Ilgin , Ilgın , Ильгин ) , throughout the world, is quite a common family name. The cognomen Ilgin is characteristic of Turkey, where it is quite a rare surname, North Macedonia, where it is a rare surname, and Lithuania. Not in comparison with a country's population, it most frequently occurs in Turkey, Germany, and Russia. Much less frequently, Ilgin is the forename as well as the last name.