Abu al-Khaṣīb Marzuq was an Abbasid general and administrator during the reign of Abu Ja'far al-Mansur. A mawla of Mansur in his early life, Abu al-Khasib rose to the position of Hajib (chamberlain) in 755. In 760, he was sent by Mansur to conquer Tabaristan from its Dabuyid ruler, Khurshid. After the conquest of Tabaristan, he was appointed as its first Abbasid governor, a position he retained until about 763.
