- Islamic occultism1
- Islamic philosophy18
- Islamic poetry3
- Islamic poetry, Arabic3
- Islamic religious education1
- Islamic sects1
- Islamic sermons, Arabic1
- Islamic stories2
- Isra' and Mi`raj of the Prophet Muhammad1
- Italian poetry1
- Italy1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-qawāʼid fī sharḥ Tajrīd al-ʻaqāʼid1
- Iẓhār al-asrār (Birgivî Mehmet Efendi)1
- Jaghmīnī, Maḥmūd ibn Muḥammad, -1221?1
- Jawshan al-kabīr1
- Jidd Ḥafṣī, ʻAlī ibn Luṭf Allāh, active 17th century-18th century1
- Judaism1
- Judgment Day (Islam)1
- Jumʻah1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Taḥrīr al-Qawāʻid al-manṭiqīyah1