Cognomen Olhaj (Olhaj 
) , around the world, is quite a rare last name. The family name Olhaj is habitual in Northern Africa, particularly Morocco, where it is quite a rare surname. Very seldom, Olhaj is the forename as well as the last name.
Moh, Robyo, Driss, Lhsan, Jamal, Jawad, Najma, Nabil, Noura, Hamid, Hamza, Hasan, Hajib, Hajar, Hakim, Hafid, Hosin, Hsina, Yasin, Zayid, Maryam, Mohamd, Kamal, Mohmad, Karim, Ahmad, Med, Ali, Moha, Sara, Said, Simo, Alal, Abde, Abdo, Amin, Adil, Aziz, Bihi, Fati, Omar, Mahdi, Mrwan, Mbark, Samir, Siham, Amine, Ahmed, and Mohmed