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Surname Koçtan (Koçtan ) , in the world, is a very rare cognomen. The family name Koçtan is habitual in Western Asia, particularly Turkey, where it is a very rare surname.
Kostan
Erol, Selma, Sedat, Ayşe, Aysel, Saki P, Volkan, Sudenaz, Nurşen, Doğukan, Süleyman, and Hüseyi N