- Ibn Taymīyah, Aḥmad ibn ʻAbd al-Ḥalīm, 1263-13281
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-12351
- Ibn al-Maghribī, ʻAlī. Manẓūmah fī al-ʻuqūd1
- Ibn al-ʻArabī, 1165-1240. Janāḥ al-ṭāʼir1
- Ibn al-ʻArabī, 1165-1240. Works1
- Ibn ʻAbd al-Razzāq, ʻAbd al-Raḥmān ibn Ibrāhīm, -1727. Qalāʻid al-manẓūm1
- Ibn ʻAllān, Muḥammad ʻAlī ibn Muḥammad, 1588-1648. Ḍawābiṭ al-taqṭīʻ1
- Ibn ʻĀbidīn, Muḥammad Amīn ibn ʻUmar, 1783 or 1784-1836. ʻUqūd rasm al-muftī1
- Ijtihād (Islamic law)1
- Illustrated works1
- Imaginary letters1
- Imamate1
- Indexes1
- India--Delhi1
- Indonesia--Java1
- Intellect--Religious aspects--Islam1
- Intention--Religious aspects--Islam1
- Iran1
- Iran--Mashhad1
- Iran--Qazvīn1