- Farāhī, Masʻūd ibn Abī Bakr, -1242. Niṣāb al-ṣibyān1
- Fasting--Religious aspects--Islam1
- Fasts and feasts1
- Fathers of the church1
- Fattāḥī, -approximately 1448. Ḥusn va dil1
- Fawāʼid al-Fanārīyah (Fanārī, Muḥammad ibn Ḥamzah)1
- Ferdinand III, King of Castile and Léon, approximately 1200-12521
- Ferdinand IV, King of Castile and León, 1285-13121
- Fever1
- Fire--Religious aspects--Hinduism1
- Folk literature, Hebrew1
- Folk literature, Ladino1
- Folk poetry1
- Folk poetry, Galician1
- Folk poetry, Judeo-Arabic1
- Folk poetry, Portuguese1
- Food1
- Forgiveness of sin1
- Formularies1
- Fortune-telling1