- Faith (Islam)1
- Fasting--Religious aspects--Islam1
- Fate and fatalism--Religious aspects--Islam1
- Fatwas1
- Geography1
- Hadith (Shiites)1
- Ibn al-ʻArabī, 1165-12401
- Ibn ʻAbd al-Razzāq, ʻAbd al-Raḥmān ibn Ibrāhīm, -1727. Qalāʻid al-manẓūm1
- Ibn ʻĀbidīn, Muḥammad Amīn ibn ʻUmar, 1783 or 1784-1836. ʻUqūd rasm al-muftī1
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Fatḥ al-mubīn li-sharḥ al-Arbaʻīn1
- Intellectual life1
- Interfaith relations1
- Iran--Iṣfahān1
- Islamic bindings1
- Islamic hygiene1
- Islamic sermons, Arabic1
- Izmīrī, Muṣṭafá ibn Rajab, active 17th century1
- Judaism1
- Judgment Day (Islam)1
- Khūjahʹzādah, ʻAbd al-Naṣīr ibn ʻAbd Allāh, active 16th century. Taḥrīrāt ʻalá al-Ṭarīqah al-Muḥammadīyah1