- Dowry (Islamic law)1
- Faith (Islam)1
- Fasting--Religious aspects--Islam1
- Fate and fatalism--Religious aspects--Islam1
- Fayḍ al-Kāshī, Muḥammad ibn Murtaḍá, 1598 or 1599-1680 or 1681. Mafātīḥ al-sharāʼiʻ1
- Fifteenth century1
- Forcible entry and detainer (Islamic law)1
- Fourteenth century1
- Future life--Islam1
- Geometry1
- God (Islam)1
- 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
- Immortality--Islam1
- India--Faizabad1
- Iran--Dāmghān1