- Iraq--Karbalāʼ1
- Iraq--Mosul1
- Islam and politics1
- Islamic calendar1
- Islamic courts1
- Islamic decorative arts1
- Islamic funeral rites and ceremonies1
- Islamic occultism1
- Islamic poetry, Turkish1
- Islamic rosary1
- Islamic sermons, Arabic1
- Ismāʻīl ibn ʻAbd Allāh, 1792 or 1793-18631
- Israel--Acre1
- Iʻrāb ʻan qawāʻid al-iʻrāb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)1
- Jalāl al-Dīn Rūmī, Maulana, 1207-12731
- Jawharat al-tawḥīd (Laqānī, Ibrāhīm ibn Ibrāhīm)1
- Jaʻbarī, Arslān ibn Yaʻqūb, -1300. Risālat al-tawḥīd1
- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 3-1331 or 2. Jamīlat arbāb al-marāṣid fī sharḥ ʻAqīlat atrāb al-qaṣāʾid1
- Jidd Ḥafṣī, ʻAlī ibn Luṭf Allāh, active 17th century-18th century1
- John, of Damascus, Saint1