Umar ibn Hafs Hazarmard (Arabic: عمر بن حفص هزارمرد) (d. November 27, 771)[1] was a member of the Muhallabid family who served as a provincial governor for the Abbasid Caliphate during the reigns of Abu al-'Abbas (r. 749–754) al-Mansur (r. 754–775).
His appointment to Ifriqiya in 768 marked the beginning of nearly three decades of Muhallabid rule there,[2] but he was unable to maintain order in the province and was killed during a major Kharijite rebellion.
Encouraged by their success, the Berbers gathered around Tripoli and placed themselves under the leadership of the Ibadi Abu Hatim Ya'qub ibn Habib al-Ibadi.
Despite being badly outnumbered by the rebels, 'Umar was able to extricate himself from the situation by bribing Abu Qurra's men to go home and defeating Ibn Rustam in battle.
The Berbers responded by attacking him en route and forcing him to temporarily withdraw to Tunis, but he was eventually able to make his way into al-Qayrawan, bringing with him food, mounts and other provisions.