Al-Mu'tadid I
| al-Mu'tadid I المعتضد الأول | |
|---|---|
| 6th Caliph of Cairo | |
| Reign | 1352–1362 | 
| Predecessor | al-Hakim II | 
| Successor | al-Mutawakkil I | 
| Born | unknown date Cairo, Mamluk Sultanate now Egypt | 
| Died | 1362 Cairo, Mamluk Sultanate now Egypt | 
| Issue | al-Mutawakkil I | 
| Father | al-Mustakfi I | 
| Religion | Sunni Islam | 
Al-Mu'tadid I (Arabic: أبو الفتح أبو بكر المعتضد بالله, Abū l-Fatḥ Abū Bakr al-Muʿtaḍid bi-Llāh; died 1362) was the sixth Abbasid caliph of Cairo for the Mamluk Sultanate between 1352 and 1362.