ʿAbd al-ʿAzīz ibn Shuʿayb ibn ʿUmar al-Qurṭubī al-Ballūṭī (Arabic: عبد العزيز بن شعيب بن عمر القرطبي البلوطي), known as Kouroupas (Greek: Κουρουπᾶς) in the Byzantine sources, was the tenth and last emir of Crete, ruling from 949 to the Byzantine reconquest of the island in 961.