Abu 'l-Abbas Abdallah II (Arabic: أبو العباس عبد الله, Abū l-ʿAbbās ʿAbd Allāh; died 27 July 903) was the Emir of Ifriqiya from 902 to 903.
Mounting reports of the cruel atrocities of his father Ibrahim II made their way to Baghdad, prompting the Abbasid Caliph al-Mu'tadid to finally react.
Citing the mistreatment of his subjects, the Caliph recalled Ibrahim II to Baghdad and deprived him of the governorship of Ifriqiya, appointing in his stead his son Abu al-Abbas Abdallah (then on campaign in Sicily).
With apparently genuine repentance, donning the garments of a penitent and declaring a pious change of heart, Ibrahim II remitted tributes, abolished illegal taxes, opened his jails, manumitted his slaves, and delivered a large chunk of his treasury to the jurists of Kairouan to distribute to the needy.
He immediately set about trying to reduce the autonomy of the Kutama Berbers in order to stop the Ismailite mission of Abu 'Abdullah al-Shi'i, but without success.