Muzaffar al-Din Jahan Shah ibn Yusuf (1397 in Khoy – 1467 in Tabriz) is the leader of the Kara Koyunlu oghuz Turks tribal federation in Azerbaijan and Arran who reigns c. 1438 – 1467.

During his reign he manages to expand the Kara Koyunlu’s territory to its largest extent, including Western Anatolia, most of present-day Iraq, central Iran, and even eventually Kerman.

He also subjugates neighboring states.

He is one of the greatest rulers of the Kara Koyunlu.

He is also allegedly fond of drinking and entertainment.

During his reign Jahan Shah has the Gökmedrese and Muzafferiye theological schools constructed in his capital city, Tabriz.