Al-Hafiz

Abūʾl-Maymūn ʿAbd al-Majīd ibn Muḥammad ibn al-Mustanṣir, better known by his regnal name as al-Ḥāfiẓ li-Dīn Allāh (), was the eleventh Fatimid caliph, ruling over Egypt from 1132 to his death in 1149, and the 21st imam of Hafizi Isma'ilism.

Al-Hafiz first rose to power as regent after the death of his cousin, al-Amir bi-Ahkam Allah, in October 1130. Al-Amir had only left an infant son, al-Tayyib, as a possible successor, so al-Hafiz—as the oldest surviving member of the dynasty—became regent. Al-Tayyib was apparently sidelined and possibly killed by the new regime, which was in turn overthrown within a few days by the army under Kutayfat. The latter imprisoned al-Hafiz, and moved to depose the Fatimids and replace Isma'ilism with a personal regime, possibly based on Twelver Shi'ism, with himself as the Hidden Imam's all-powerful vicegerent. Kutayfat's regime was toppled when he was murdered by Fatimid loyalists in December 1131, and al-Hafiz was freed and restored as regent.