Muhammad ibn al-Zayyat
| Muhammad ibn al-Zayyat  محمد بن الزيات | |
|---|---|
| Born | Abbasid Caliphate | 
| Died | c. 847 | 
| Other names | 
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| Occupation(s) | Abbasid vizier and Court official | 
| Years active | 
 | 
| Known for | Wealthy merchant who became a court official and served as vizier of the Abbasid caliphs, al-Mu'tasim and al-Wathiq. | 
| Father | Abd al-Malik | 
Muḥammad ibn ʿAbd al-Malik, better known as Ibn al-Zayyāt (Arabic: ابن الزيات), was a wealthy merchant who became a court official and served as vizier of the Abbasid caliphs al-Mu'tasim, al-Wathiq, and al-Mutawakkil, from 836 until his downfall and death by torture in 847.