- Kaʻb al-Aḥbār, -655 or 6561
- Kemalpaşazade, 1468 or 1469-1534. Risālah fī al-haykal al-insānī1
- Khalwatīyah1
- Khūjahʹzādah, ʻAbd al-Naṣīr ibn ʻAbd Allāh, active 16th century. Taḥrīrāt ʻalá al-Ṭarīqah al-Muḥammadīyah1
- Kings and rulers--Religious aspects1
- Knowledge, Theory of (Islam)1
- Kumayl ibn Ziyād, 633 or 634-7011
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Language and languages--Style1
- Leather doublures1
- Legacies (Islamic law)1
- Mahdi1
- Manuscripts, Urdu1
- Mas̲navī (Jalāl al-Dīn Rūmī, Maulana)1
- Maḥbūbī, ʻUbayd Allāh ibn Masʻūd, -1346 or 1347. Selections1
- Miscellanea1
- Months1
- Mullā Ḥanafī, Muḥammad. Risālah al-Ḥanafīyah1
- Music theory1
- Muslim martyrs1