Ishaq ibn al-Muqtadir

Ishaq ibn al-Muqtadir (Arabic: اسحاق ابن المُقتدر; 910s – March 988) was an Abbasid prince, son of the Abbasid caliph al-Muqtadir. He was a contemporary of the caliphs al-Qahir, al-Radi, al-Muttaqi, al-Mustakfi, al-Muti and al-Ta'i', three of whom were his brothers. As a son of al-Muqtadir, he was also a candidate to the succession to caliphal throne during the reigns of his brothers, but it was his son Ahmad became caliph as al-Qadir in 991.