| al-Mustakfi II المستكفي بالله | |
| Succession: | 12th Caliph of Cairo |
| Reign: | 23 July 1441 – 29 January 1451 |
| Predecessor: | Al-Mu'tadid II |
| Birth Date: | c. 1388 |
| Birth Place: | Cairo, Mamluk Sultanate now Egypt |
| Death Date: | 29 January 1451 (aged 63) |
| Death Place: | Cairo, Mamluk Sultanate now Egypt |
| Mother: | Bay Khatun |
| Religion: | Islam |
Al-Mustakfi II (; c. 1388 – 29 January 1451) was the twelfth Abbasid caliph of Cairo for the Mamluk Sultanate between 1441 and 1451. He died on Friday, 25 Zulhijja, 854 AH (29 January 1451).
In his reign, Al-Zaher also conquered the island of Rhodes twice in the era of Al-Mustaqvi once in 847 AH, and once in the following year (848 AH), in addition to the invasion that took place in the era of Mu'tazad in 844 but was unsuccessful in opening it because of the Crusader gang support of this island after the extraction of princes by the Pope and kings Europe. And the appearance on the apparent Jumaq Atabak Egypt Kerkmass Shaabani, and Sham, and the slaves Ptna in the area of Giza, but he managed to eliminate them all. The Caliph died on the third Friday of Dhu al-Hijjah in 854 AH and He was succeeded by his brother Al-Qaim.
When Ibn Hajar al-‘Asqalani[1] died after 'Isha' (night prayer) on 8th Dhul Hijja 852 (2 February 1449), aged 79. An estimated 50,000 people attended his funeral in Cairo, including Sultan Sayf ad-Din Jaqmaq (1373-1453 CE) and Al-Mustakfi II.[1]