Qasīm al-Dawla Sayf al-Dīn Abū Saʿīd Āqsunqur al-Bursuqī (قسیم الدوله سیف الدین ابو سعید آقسنقر البرسقی),[1] also known as Aqsunqur al-Bursuqi, Aqsonqor il-Bursuqi, Aksunkur al-Bursuki, Aksungur or al-Borsoki, was the Seljuk Turkoman atabeg of Mosul from 1113–1114 and again from 1124–1126.