Cognomen Irtem (Irtem 
) , around the globe, is a very rare surname. The cognomen Irtem is characteristic of Turkey, where it is a very rare surname, Germany, and Australia.
Mr, Kemal, Deniz, Gamze, Taner, Erdem, Erdal, Erkan, Engin, Emine, Harun, Hasan, Halil, Halis, Hacer, Hulya, Hilal, Fatih, Fatma, Yavuz, Yusuf, Yunus, Kadir, Burcu, Ahmet, Ayhan, Ms, Ali, Can, Nur, Eda, Ece, Efe, Mert, Musa, Baki, Özge, Elif, Emin, Emre, Ebru, Onur, Okan, Zati, Murat, Serap, Ayşe, Aysel, Emir, and Özer