Cognomen Casun (Casun 
) , all over the world, is a rare surname. The cognomen Casun is habitual in Guatemala, where it is a rare surname, Turkey, and Mexico, where it is an extremely rare surname.
Mr, Emine, Hamit, Hasan, Hakan, Fatma, Imran, Orhan, Osman, Yusuf, Zehra, Zuhal, Ömer, Mahmut, Meryem, Mehmet, Mehtap, Salman, Betül, Burhan, Nusret, Emi Ne, Ercan, Duygu, Recep, Kemal, Ali, Isa, Ibo, Musa, Seda, Alex, Adem, Cuma, Emel, Onur, Hali L, Mayra, Memet, Sunay, Suphi, Seval, Ayşe, Ayhan, Ahmet, Canan, Beyaz, Bilal, Merve, and Veysel