Awn al-Din Abu'l-Muzzafar Yahya ibn Hubayra al-Shaybani al-Duri al-Baghdadi, commonly referred to as Ibn Hubayra, was a 12th-century Iraqi Arab official and a Hanbali jurist, who served for sixteen years as vizier of the Abbasid Caliphate under Caliph al-Muqtafi, and his successor al-Mustanjid.