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Cognomen Koray (Koray , كوراي , コライ ) , all over the world, is quite a rare surname. The last name Koray is habitual in Turkey, where it is quite a rare surname, Ghana, where it is a rare surname, and Iraq. In absolute terms, it is the most numerous in Turkey, India, and Iraq. More prevalently, Koray is the forename as well as the last name.
Lu, Kiliç, Doğan, Güler, Yilmaz, Yildiz, Özkan, Özcan, Çelik, Çetin, Koçak, Şahin, Bozkurt, Korkmaz, Yüksel, Yıldız, Yılmaz, Kahraman, Erdoğan, Yildirim, Özdemir, Coşkun, Öztürk, Kaplan, Aydın, Can, Acar, Avci, Avcı, Kara, Kaya, Koç, Kurt, Uzun, Kartal, Şen, Aksoy, Ateş, Aydin, Köse, Polat, Demir, Yavuz, Özer, Arslan, Aslan, and Yıldırım