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.