- Ibn al-ʻArabī, 1165-1240. Janāḥ al-ṭāʼir1
- Ibn Ḥanbal, Aḥmad ibn Muḥammad, 780-8551
- Inheritance and succession (Islamic law)3
- Intellectual life1
- Interest (Islamic law)1
- Iqnāʼ (Ḥujāwī, Mūsá ibn Aḥmad)3
- Islam1
- Islam--Doctrines2
- Islam--Rituals1
- Islamic New Year1
- Islamic bookbinding1
- Islamic ethics1
- Islamic law51
- Islamic law--Interpretation and construction5
- Islamic philosophy1
- Judgment Day (Islam)1
- Jīlī, ʻAbd al-Karīm ibn Ibrāhīm, 1365 or 1366- Insān al-kāmil fī maʻrifat al-awākhir wa-al-awāʼil1
- Karmī, Marʻī ibn Yūsuf, -1623 or 1624. Ghāyat al-muntahá fī al-jamʻ bayna al-Iqnāʻ wa-al-Muntahá1
- Knowledge, Theory of (Islam)1
- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)2