Hassan ibn Malik ibn Bahdal al-Kalbi (Arabic: حسان بن مالك بن بحدل الكلبي, romanized: Ḥassān ibn Mālik ibn Baḥdal al-Kalbī, commonly known as Ibn Bahdal (Arabic: ابن بحدل, romanized: Ibn Baḥdal; d. 688/89), was the Umayyad governor of Palestine and Jordan during the reigns of Mu'awiya I (r. 661–680) and Yazid I (r. 680–683), a senior figure in the caliph's court, and a chieftain of the Banu Kalb tribe. He owed his position both to his leadership of the powerful Kalb, a major source of troops, and his kinship with the Umayyads through his aunt Maysun bint Bahdal, the wife of Mu'awiya and mother of Yazid. Following Yazid's death, Ibn Bahdal served as the guardian of his son and successor, Mu'awiya II, until the latter's premature death in 684. Amid the political instability and rebellions th