- Homosexuality--Religious aspects--Islam1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Kāfiyah al-shāfiyah1
- Ibn Nawbakht, Ibrāhīm, active 10th century. Yāqūt fī ʻilm al-kalām1
- Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm, -1563. Fatāwá al-Zaynīyah1
- Ibn Qaḍīb al-Bān, ʻAbd Allāh ibn Muḥammad, -1684 or 1685. Dālīyah1
- Ibn Saʻādah, Aḥmad ibn ʻAlī, active 13th century. Risālat al-ʻilm1
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfīyah fī sharḥ al-Kāfīyah1
- 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 ʻĀbidīn, Muḥammad Amīn ibn ʻUmar, 1783 or 1784-1836. ʻUqūd rasm al-muftī1
- Ijtihād (Islamic law)1
- Imamate1
- Imams (Shiites)1
- Indexes1
- India--Delhi1
- Intention--Religious aspects--Islam1
- Iran1
- Iran--Mashhad1