- Iraq--Karbalāʼ1
- Islamic calendar1
- Islamic etiquette1
- Islamic learning and scholarship1
- Islamic legends1
- Islamic occultism1
- Islamic poetry1
- Islamic poetry, Arabic1
- Islamic religious education1
- Islamic sermons, Arabic1
- Islamic sermons, Persian1
- Istiṣḥāb (Islamic law)1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Jaghmīnī, Maḥmūd ibn Muḥammad, -1221?1
- Jawshan al-kabīr1
- Judaism1
- Jumʻah1
- Jurisprudence1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
- Jābir ibn Ḥayyān1