- Khadījah, -approximately 6191
- Khafrī, Muḥammad, -1407 or 1408. Ḥāshīyah ʻalá Sharḥ al-Qūshjī ʻalá al-Tajrīd1
- Khalifa ben Shemuʹel, 17th century1
- Khalwatīyah5
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)7
- Khansāʼ, -approximately 645. Dīwān1
- Khawwāṣ, Aḥmad ibn ʻAbbād, 1378?-1454. Kāfī fī ʻilmay al-ʻarūḍ wa-al-qawāfī3
- Khawāfī, Muḥammad ibn Muḥammad, 1356-1435. Awrād al-Zaynīyah1
- Khayālī, Aḥmad ibn Mūsá, -1457? Ḥāshiyah ʻalá sharḥ al-Taftāzānī1
- Khaṣṣāf, Aḥmad ibn ʻUmar, -874 or 875. Adab al-Qāḍī1
- Khaṭīb al-Baghdādī, Abū Bakr Aḥmad ibn ʻAlī, 1002-1071. Asmāʼ al-mubhamah fī al-anbāʼ al-muḥkamah2
- Khilāṭī, Muḥammad ibn ʻAbbād, -1254. Talkhīṣ al-Jāmiʻ al-kabīr1
- Khiḍr (Legendary character)3
- Khiṭāʼī, ʻUthmān, active 15th century. Ḥāshiyah ʻalá al-Mukhtaṣar1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)2
- Khuzāʻī, Diʻbil ibn ʻAlī, 765 or 766-860 or 861. Qaṣīdah1
- Khādimī, Muḥammad ibn Muṣṭafá, 1701 or 2-1762 or 3. Risālah fī ajzāʼ al-qaḍīyah1
- Khānaqāh-i Niʻmat Allāhī1
- Khānī, Qāsim ibn Ṣalāḥ al-Dīn, 1618 or 1619-1697 or 1698. ʻIlm al-manṭiq1
- Kingdom of God1