- Joseph (Son of Jacob)3
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Sharḥ khuṭbah al-Quṭbīyah3
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Lawāmiʻ al-asrār3
- Jāmiʻ al-ṣaghīr (Suyūṭī)3
- Jāmiʻ al-ṣaḥīḥ (Muslim ibn al-Ḥajjāj al-Qushayrī)3
- Karaites--Liturgy3
- Ketubah3
- Khafrī, Muḥammad, -1407 or 1408. Ḥāshīyah ʻalá Sharḥ al-Qūshjī ʻalá al-Tajrīd3
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)3
- Khiḍr (Legendary character)3
- Kirātārjunīya (Bhāravi)3
- Knowledge, Theory of (Islam)3
- Ladino language3
- Lamaʻāt (ʻIrāqī, Fakhr al-Dīn Ibrāhīm)3
- Land tenure3
- Latin language--Grammar3
- Lectionaries3
- Legacies (Islamic law)3
- Legal forms3
- Letter writing, Arabic3