- Kinship (Islamic law)1
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Knowledge, Theory of (Islam)1
- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)1
- Kātī, Ḥusām al-Dīn al-Ḥasan, -1358 or 1359. Qāla aqūl1
- Latin (Latin Europe)1
- Laughter--Religious aspects--Islam1
- Laylat al-Qadr1
- Letter writing, Turkish1
- Lettering pieces1
- Libel and slander--Religious aspects--Islam1
- Liturgy and poetry1
- Longevity--Religious aspects--Islam1
- Love poetry, Arabic1
- Ludovico Sforza, Duke of Milan, 1452-15081
- Madrasah al-Ṭūlūnīyah (Jerusalem)1
- Maghribī, Aḥmad ibn ʻAbd al-Razzāq, -1684 or 1685. Manẓūmat al-shuhadāʼ1
- Mamelukes1
- Manuscript waste1
- Manuscripts, Urdu1