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Surname Aytun (Aytun , Айтун ) , around the globe, is quite a rare last name. The cognomen Aytun is characteristic of Turkmenistan, where it is quite a rare surname, Turkey, and Kyrgyzstan, where it is a very rare surname. In absolute terms, the name is most common in Turkey, Turkmenistan, and Germany. Likewise, Aytun is the forename as well as the last name.