Ibrahim I

Ibrahim I may refer to:


 * Ibrahim I ibn al-Aghlab (756–812), first Emir of the Aghlabids in Ifriqiya
 * Ibrahim I ibn Marzuban I ((r. undefined – undefined) 957–979), King of Dvin and Azerbaijan
 * İbrahim I of Karaman (fl. 1318–1343), bey of Karaman Beylik
 * Ibrahim I of Shirvan ((r. undefined – undefined) 1382–1418), Shah of Shirvan
 * Ibrahim of the Ottoman Empire (1615–1648), Caliph and Sultan of the Ottoman Empire from 1640 until 1648