Family name Kırk (Kırk 
) , all around the world, is a very rare cognomen. The surname Kırk is habitual in Western Asia, particularly Turkey, where it is a very rare surname. Much less frequently, Kırk is the forename as well as the last name.
Ali, Fatoş, Orhan, Yakup, Yusuf, Meryem, Mehmet, Kübra, Levent, Hatice, Fatma, Hülya, Mustafa, Asyanur, Güneş, Huseyin, Yasemin, Tc Mehmet, Hüseyin, Seyfettin, Sabahettin, Ismail, Mehmet Zeki, Halit, Nuray, Efe, Said, Sait, Abdo, Asya, Aziz, Emel, Fuat, Utku, Hasan, Merve, Salih, Adnan, Ayşe, Ahmet, Cemal, Burak, Refik, Jamal, Nedim, Memet, and Abdurrezzak