- Karo, Joseph ben Ephraim, 1488-15751
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)1
- Kaydānī. Risālah fī al-mashrūʻāt wa-ghayr al-mashrūʻāt1
- Ketubah1
- Khabīṣī, ʻUbayd Allāh ibn Faḍl Allāh, -approximately 1640. Tahdhīb fī sharḥ al-Tahdhīb1
- Khalaf al-Barbarī, 6th cent.?1
- Khilāṭī, Muḥammad ibn ʻAbbād, d. 1254. Talkhīṣ al-Jāmiʻ al-kabīr1
- Khiṭāʼī, ʻUthmān, active 15th century. Ḥāshiyah ʻalá al-Sharḥ al-mukhtaṣar1
- Kinot1
- Kufic1
- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)1
- Kāshī, Jamshīd ibn Masʻūd, -approximately 1436. Sullam al-samāʼ1
- Ladino language1
- Ladino literature1
- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Lamaʻāt (ʻIrāqī, Fakhr al-Dīn Ibrāhīm)1
- Language and languages--Etymology1
- Law1
- Laylat al-Qadr1
- Legal forms1