- Islam--Terminology1
- Islamic eschatology1
- Islamic interpretations of Jesus Christ1
- Islamic literature, Arabic1
- Islamic occultism1
- Islamic religious education1
- Islamic sects1
- Islamic stories1
- Isra' and Mi`raj of the Prophet Muhammad1
- 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
- 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
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyat al-Tajrīd1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥ̣āshiyah ʻalá Lawāmiʻ al-asrār1
- Jāmiʻ al-ṣaghīr (Suyūṭī)1