- Jāmiʻ al-ṣaḥīḥ (Muslim ibn al-Ḥajjāj al-Qushayrī)1
- Jārabardī, Aḥmad ibn al-Ḥusayn, -1346. Mughnī fī ʻilm al-naḥw1
- Jārbardī, Fakhr al-Dīn Aḥmad ibn al-Ḥasan, d. 1345. Mughnī fī ʻilm al-naḥw1
- Kabbalat Shabbat1
- Kaddish1
- Kamāl al-Dīn Muḥammad ibn Muḥammad, d. 1418. Naẓm Nukhbat al-fikar fī muṣṭalaḥ ahl al-athar1
- Kamāl al-Dīn al-Bakrī, Muḥammad ibn Muṣṭafá, 1730 or 1731-1781 or 1782. Fatḥ al-ilāh fī madḥ Rasūl Allāh1
- Kanz al-daqāʼiq (Nasafī, ʻAbd Allāh ibn Aḥmad)3
- Karaite law1
- Karaite manuscripts3
- Karaites1
- Karaites--Liturgy1
- Karo, Joseph ben Ephraim, 1488-15751
- Kavvanot (Cabala)7
- 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
- Khiṭāʼī, ʻUthmān, active 15th century. Ḥāshiyah ʻalá al-Sharḥ al-mukhtaṣar1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)1
- Kiddush4