- Hurufis1
- Ibn Abī al-Rijāl, ʻAlī, 1015 or 1016-1062 or 1063. Dalālah al-kullīyah ʻan al-ḥarakāt al-falakīyah1
- Ibn Barrī, ʻAbd Allāh, 1106-11871
- Ibn Zaydūn, Aḥmad ibn ʻAbd Allāh, 1003 or 1004-1071. Risālah al-jiddīyah1
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-12351
- Ibn al-Jazarī, Muḥammad ibn Muḥammad, 1350-1429. Arbaʻūn masʼalah min masāʼil muskhilah1
- Ibn al-Khashshāb, ʻAbd Allāh ibn Aḥmad, 1098 or 1099-1171 or 11721
- Ibn al-Shahīd al-Thānī, al-Ḥasan, 1551 or 1552-1602 or 1603. Maʻālim al-dīn wa-malādh al-mujtahidīn1
- Ibn al-ʻArabī, 1165-1240. Ṣalawāt al-Muḥammadīyah1
- Ibn al-Ḥājib, ʻUthmān ibn ʻUmar, 1175-1249. Shāfiyah fī al-taṣrīf1
- Ibn ʻAllān, Muḥammad ʻAlī ibn Muḥammad, 1588-1648. Ḍawābiṭ al-taqṭīʻ1
- Ibn ʻArūs, Aḥmad, -1463 or 1464. Qaṣīdah1
- Ibn ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Sharḥ al-Muqaddimah al-ḥaḍramīyah1
- Idkāwī, Muḥammad. Fawāʼid al-muhimmāt fī maṭāliʻ al-awqāt1
- Idols and images1
- Idra rabba1
- Idra zuta1
- Ijtihād (Islamic law)1
- Illumination of books and manuscripts, Ethiopian1
- Illumination of books and manuscripts, Indic1