- Ibn Quṭlūbughā, al-Qāsim ibn ʻAbd Allāh, 1399 or 1400-1474 or 1475. Ḥawālah1
- 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 Shukr, ʻAbd Allāh ibn ʻAlī , 1153-12251
- Ibn Taymīyah, Aḥmad ibn ʻAbd al-Ḥalīm, 1263-13281
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-12351
- Ibn al-ʻArabī, 1165-12401
- Ibn al-ʻArabī, 1165-1240. Inshāʼ al-dawāʼir1
- Ibn al-ʻArabī, 1165-1240. Janāḥ al-ṭāʼir1
- Ibn al-ʻArabī, 1165-1240. Works1
- Ibn al-ʻArabī, 1165-1240. ʻAqīdah1
- 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
- Imaginary letters1
- Imams (Shiites)1
- Imām al-Ḥaramayn al-Juwaynī, ʻAbd al-Malik ibn ʻAbd Allāh, 1028-1085. Irshād ilá qawāṭiʻ al-adillah fī uṣūl al-iʻtiqād1
- Indexes1
- India1