| al-Hassan al-Mustadi الحسن المستضيء بأمر الله | |||||
|---|---|---|---|---|---|
| Khalīfah Amir al-Mu'minin | |||||
 Turquoise glass stamp of al-Mustadi | |||||
| 33rd Caliph of the Abbasid Caliphate Abbasid Caliph in Baghdad | |||||
| Reign | 18 December 1170 – 27 March 1180 | ||||
| Predecessor | al-Mustanjid | ||||
| Successor | al-Nasir | ||||
| Born | 1142 Baghdad, Abbasid Caliphate | ||||
| Died | 27 March 1180 (aged 38) Baghdad, Abbasid Caliphate | ||||
| Consort | Zumurrud Khatun Sayyida Banafsha Sharaf Khatun Khtalj Khatun al-Abbasah | ||||
| Issue | Al-Nasir Abu Mansur Hashim | ||||
| |||||
| Dynasty | Abbasid | ||||
| Father | al-Mustanjid | ||||
| Mother | Ghaddha | ||||
| Religion | Sunni Islam | ||||
Abu Muhammad Hasan ibn Yusuf al-Mustanjid (Arabic: أبو محمد حسن بن يوسف المستنجد; 1142 – 27 March 1180) usually known by his regnal title al-Mustadi (Arabic: المستضيء بأمر الله) was the Abbasid Caliph in Baghdad from 1170 to 1180. He succeeded his father al-Mustanjid in 1170 as the Caliph.