- Khilāṭī, Muḥammad ibn ʻAbbād, d. 1254. Talkhīṣ al-Jāmiʻ al-kabīr1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)1
- Khwājahʹzādah, Muṣṭafá ibn Yūsuf, -1487 or 14881
- Khūjahʹzādah, ʻAbd al-Naṣīr ibn ʻAbd Allāh, active 16th century. Taḥrīrāt ʻalá al-Ṭarīqah al-Muḥammadīyah2
- Kings and rulers--Religious aspects1
- Kinship (Islamic law)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)4
- Kūrānī, Ṭānā ibn Aḥmad, d. 1884? Naẓm Mukhtaṣar al-Manār1
- Language and languages--Philosophy4
- Laughter--Religious aspects--Islam1
- Laylat al-Qadr1
- Leather doublures3
- Lebanon--Tripoli1
- Legacies (Islamic law)3
- Legends1
- Liquor laws (Islamic law)3
- Logic19
- Mahdi1
- Malikites3
- Manuscripts2