Abu Ishaq Ibrahim, Buyid prince
Abu Ishaq (literally "father of Isaac") may refer to:

Abu Ishaq Ahmad al-Tha'labi (died 1035/36), Persian scholar

Abu Ishaq al-Fazari (died 805), Islamic historian, traditionalist and jurist

Abu Ishaq al-Heweny (born 1956), Egyptian Shafi'i scholar

Abū Isḥāq al-Ilbirī, 11th-century Andalusian poet and faqīh

Abu Ishaq al-Isfarayini (died 1027), medieval Sunni Islamic theologian

Abu Ishaq al-Saffar al-Bukhari (c. 1067–1139), Sunni theologian and Sufi

Abu Ishaq al-Shatibi (1320–1388), Andalusian Maliki scholar

Abu Ishaq al-Shirazi (1003–1083), Shafi'i-Ash'ari scholar

Abu Ishaq al-Zouaoui (1394–1453), Algerian Maliki scholar

Abu Ishaq Ibrahim (953 – after 978), Buyid prince

Abu Ishaq Ibrahim I (1279–1283), Hafsid emir of Ifriqiya

Abu Ishaq Ibrahim al-Istakhri (died after 952), Persian geographer

Abu Ishaq Ibrahim al-Sahili (c. 1290–1346), Andalusian poet and legal scholar

Abū Isḥāq Ibrāhīm al-Zarqālī (1029–1087), Andalusian Muslim instrument maker

Abu Ishaq Ibrahim of Ghazna, Turkic officer, who was the Samanid governor of Ghazna

Abu Ishaq Ibrahim ibn al-Sari al-Zajjaj (c. 842–922), Iraqi grammarian

Abu Ishaq Ibrahim ibn al-Mudabbir (died c. 893), Abbasid courtier

Abu Ishaq Ibrahim ibn Khafaja (1058 – c. 1138), Andalusian poet

Abu Ishaq Inju (r. 1343–1357), last Injuid ruler

Abu Ishaq Shami (died 940), Syrian Sufi and scholar