- Ibn Wadʻān, Muḥammad ibn ʻAlī, d. 1101. Arbaʻīn al-Wadʻānīyah1
- Ibn Zaydūn, Aḥmad ibn ʻAbd Allāh, 1003 or 1004-1071. Risālah al-hazalīyah1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Tuḥfah al-qudsīyah fī al-farāʼiḍ1
- Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf, 1250-1325. Tahdhīb al-wuṣūl ilá ʻilm al-uṣūl1
- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 1493-1564 or 1565. Mukhtaṣar al-Taḥrīr2
- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 3-1564 or 5. Muntahá al-irādāt1
- Ibn al-Qāḍī, ʻAbd al-Raḥmān ibn Abī al-Qāsim, 1590 or 1591-1671 or 1672. Khilāf wa-al-tashhīr wa-al-istiḥsān1
- Ibn al-Shahīd al-Thānī, al-Ḥasan, 1551 or 1552-1602 or 1603. Maʻālim al-dīn wa-malādhdh al-mujtahidīn3
- Ibn al-Shahīd al-Thānī, al-Ḥasan, 1551or 2-1602 or 3. Maʻālim al-dīn wa-malādhdh al-mujtahidīn1
- Ibn al-Shihnah, Abū al-Walīd Muḥammad ibn Muḥammad, 1348-1412. Manẓūmah fī al-farāʼiḍ1
- Ibn al-Uqlīshī, Aḥmad ibn Maʻadd, -1155 or 11561
- Ibn Ḥabib, Jacob ben Solomon, 1445?-1515 or 15161
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzhat al-naẓar fī tawḍīḥ Nukhbat al-fikar2
- Ibn ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 15666. Iʻlām li-qawāṭiʻ al-Islām1
- Ibrāhīm ibn Adʹham, -approximately 7771
- Idra rabba4
- Idra zuta5
- Ijtihād (Islamic law)1
- Illumination of books and manuscripts11
- Illumination of books and manuscripts, Arab1