Author
- Ibn Abi al-Dunya2
- Ibn Arabi2
- Ibn Battal2
- Ibn Jaber al-Andalusi2
- Ibn Kathir2
- Ibn Khaldun2
- Ibn Qudamah2
- Ibn al-Salah2
- Ikhtiyār al-Dīn ibn Ghiyāth al-Dīn2
- Immanuel Frances2
- Isaac Alfasi2
- Isaac ben Mordekhai Kimḥi2
- Isaac of Troki2
- Ishmael ben Abraham Isaac ha-Kohen2
- Ismāʻīl ibn Abī Bakr Ibn al-Muqrī2
- Ismāʻīl ibn Ibrāhīm İsfendiyaroǧlu2
- Jagadīśatarkālaṅkāra2
- Jaghmini2
- Jamāl al-Dīn Khvānsārī2
- Jayakr̥ṣṇa2