- Karaite manuscripts3
- Karaites1
- Karaites--Liturgy1
- Karo, Joseph ben Ephraim, 1488-15751
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)1
- Kavvanot (Cabala)7
- Kaydānī. Risālah fī al-mashrūʻāt wa-ghayr al-mashrūʻāt1
- Ketubah17
- Khawwāṣ, Aḥmad ibn ʻAbbād, 1378?-1454. Kāfī fī ʻilmay al-ʻarūḍ wa-al-qawāfī1
- Khilāṭī, Muḥammad ibn ʻAbbād, d. 1254. Talkhīṣ al-Jāmiʻ al-kabīr1
- Khiḍr (Legendary character)1
- Khiṭāʼī, ʻUthmān, active 15th century. Ḥāshiyah ʻalá al-Sharḥ al-mukhtaṣar1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)1
- Kiddush4
- Kings and rulers13
- Kinot1
- Kirmānī, Maḥmūd ibn Muḥammad, 1329?-1404 or 1405. Farāʼiḍ al-ījāz1
- Kirmāstī, Yūsuf ibn ḥusayn, d. 1500. Wajīz fī al-uṣūl2
- Kufic1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)19