Abu Muhammad Isma'il Az-Zafir Bi-Amr Allah ibn al-Hafiz (Arabic: أبو محمد الظافر بأمر الله إسماعيل بن الحافظ, February 1133 – April 1154), was a Fatimid caliph from 1149 to 1154, in Cairo. son of Al-Hafiz, 12th Fatimid Caliph, died 1154 and was the 22nd Imam of the Hafizi Ismaili sect. Az Zafir was killed by his Vizier/Prime Minister who was called Abbas.