Cognomen Katı (Katı 
) , around the globe, is a rare family name. The family name Katı is habitual in Turkey, where it is a rare surname, and the United States, where it is an extremely rare surname.
Ali, Eren, Enes, Enis, Emir, Emin, Emel, Emre, Ebru, Ezgi, Hami, Fiat, Fuat, Irem, Oral, Onur, Okan, Ozan, Zeki, Ugur, Meric, Meral, Esra, Esma, Elif, Nida, Can, Cem, Ece, Efe, Isa, Mert, Musa, Sait, Suat, Sena, Merve, Sema, Arzu, Adem, Aziz, Cenk, Bahu, Berk, Kaan, Gül, Tuba, Naim, Arif, and Melih