- Kings and rulers--Religious aspects--Islam1
- Kinot1
- Kinship (Islamic law)1
- Kiraṇavalī (Udayanācārya)1
- Knowledge, Theory of (Hinduism)1
- Knowledge, Theory of (Islam)1
- Kufic1
- Kuṇḍalinī1
- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)1
- Kāshī, Jamshīd ibn Masʻūd, -approximately 1436. Sullam al-samāʼ1
- Kāsānī, Aḥmad Khvājagī1
- Kāvyaprakāśa (Mammaṭācārya)1
- Kūrānī, Ibrāhīm ibn Ḥasan, 1616 or 1617-approximately 1690. Maslak al-jalī fī ḥukm shaṭḥ al-walī1
- Ladino language1
- Ladino literature1
- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Laghuśabdenduśekhara (Nāgeśabhaṭṭa)1
- Lamaʻāt (ʻIrāqī, Fakhr al-Dīn Ibrāhīm)1
- Language and languages--Etymology1
- Laughter--Religious aspects--Islam1