- Hermeneutics1
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-12351
- Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf, 1250-1325. Mabādiʼ al-wuṣūl ilá ʻilm al-uṣūl1
- Ibn al-Shahīd al-Thānī, al-Ḥasan, 1551 or 1552-1602 or 1603. Maʻālim al-dīn wa-malādh al-mujtahidīn1
- Ibn ʻAllān, Muḥammad ʻAlī ibn Muḥammad, 1588-1648. Ḍawābiṭ al-taqṭīʻ1
- Ijmāʻ (Islamic law)1
- Imamate1
- Immortality--Islam1
- India--Faizabad1
- Iran--Dāmghān1
- Iraq--Karbalāʼ1
- Islamic Empire1
- Islamic cosmology1
- Islamic funeral rites and ceremonies1
- Islamic literature, Arabic1
- Islamic philosophy1
- Islamic rosary1
- Jidd Ḥafṣī, ʻAlī ibn Luṭf Allāh, active 17th century-18th century1
- Judgment Day (Islam)1
- Jumʻah1