Cognomen Demirbüken (Demirbüken 
) , globally, is a very rare family name. The family name Demirbüken is characteristic of Turkey, where it is a very rare surname, and Germany.
Kaan, Talat, Ersin, Hasan, Halil, Hakan, Fatih, Fatma, Osman, Oğuz, Yasar, Yunus, Ömer, Mahmut, Mehmet, Safiye, Sevket, Atakan, Binali, Tayfun, Turgay, Tuncay, Doğa, Hülya, Demir, Buket, Lale, Eren, Emir, Emel, Emre, Onur, Umut, Ufuk, Merve, Melis, Mesut, Metin, Murat, Sedat, Alper, Ayşe, Ahmet, Cihan, Bahar, Berat, Beyza, Kadir, and Fikret