Saʿd al-Dawla ibn Ṣafī b. Hibat Allāh b. Muhadhdhib al-Dawla al-Abharī was an Iranian Jewish physician who served Arghūn (r. 1284-91), the fourth Mongol īlkhān, as chief minister (ṣāḥib-dīwān, or wazīr). He was executed just before the death of his master. The Ilkhanids (ca. 1260-1335) were a Mongol dynasty that ruled Iran, the southern Caucasus, most of Anatolia, Iraq, and the territory covered by modern Turkmenistan and northern Afghanistan.

Saʿd al-Dawla, originally from the town of Abhar in western Iran, first appears in the sources as an agent or broker of some kind (Ar.-Pers. dall…