Ja'far ibn Sulayman ibn Ali al-Hashimi () was an early Abbasid prince. He served as provisional governor for Abbasid Caliphate.
Career He was the son of Sulayman ibn Ali. Ja'far was a paternal cousin of the first two Abbasid caliphs al-Saffah (r. 750–754) and al-Mansur (r. 754–775).
His father, Sulayman died in Basra in October 759 at the age of 59, and was succeeded by several sons, including Muhammad and Ja'far.; .
His first cousin al-Mansur, appointed him; . governor of Medina in 763 and he was dismissed in 766/77. He was re-appointed in 780 by al-Mahdi; ; . and he was dismissed in 783.
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