Abu'l-Fath Yanis | |
|---|---|
| Vizier of the Fatimid Caliphate | |
| In office 1131-1132 | |
| Preceded by | Kutayfat |
| Succeeded by | Sulayman ibn al-Hafiz |
| Personal details | |
| Born | Abu'-Fatḥ Nāṣir al-Juyūsh Sayf al-Islām Sharaf al-Islām Yānis al-Rūmī al-Armanī al-Ḥāfiẓī |
| Died | 1132 |
| Cause of death | Poisoning |
| Children | 2+ |
Abu'-Fatḥ Nāṣir (or Amīr) al-Juyūsh Sayf al-Islām Sharaf al-Islām Yānis al-Rūmī al-Armanī al-Ḥāfiẓī, commonly simply known by his given name Yānis (i.e., John), was an Armenian military slave who served as vizier of the Fatimid Caliphate for nine months in 1131–1132.