Ali az-Zahir, Fatimid caliph (born 1005)

Al-Zahir li-I'zaz Din Allah

Fatimid caliph and Isma'ili Imam from 1021 to 1036

Abū al-Ḥasan ʿAlī ibn al-Ḥākim, better known with his regnal name al-Ẓāhir li-Iʿzāz Dīn Allāh, was the seventh caliph of the Fatimid dynasty (1021–1036). Al-Zahir assumed the caliphate after the disappearance of his father al-Hakim bi-Amr Allah.