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Cognomen Yetkin (Yetkin , Еткин , Єткін ) , across the world, is quite a rare last name. The last name Yetkin is characteristic of Turkey, where it is quite a rare surname, Germany, where it is a rare surname, and Hungary. In absolute terms, the name is most common in Turkey, Germany, and Russia. Much less frequently, Yetkin is the forename as well as the last name.