- 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? Sharḥ Qaṣīdah al-nūnīyah1
- Khayālī, Aḥmad ibn Mūsá, -1457? Ḥāshiyah ʻalá sharḥ al-Taftāzānī2
- Khaṣṣāf, Aḥmad ibn ʻUmar, -874 or 875. Adab al-Qāḍī1
- Khaṣṣāf, Aḥmad ibn ʻUmar, d. 874 or 5. Adab al-qāḍī2
- Khaṭīb al-Baghdādī, Abū Bakr Aḥmad ibn ʻAlī, 1002-1071. Asmāʼ al-mubhamah fī al-anbāʼ al-muḥkamah2
- Khaṭīb al-Tamartāshī, Muḥammad ibn ʻAbd Allāh, 1532 or 1533-1595 or 1596. Minaḥ al-ghaffār1
- Khilāṭī, Muḥammad ibn ʻAbbād, -1254. Talkhīṣ al-Jāmiʻ al-kabīr1
- Khilāṭī, Muḥammad ibn ʻAbbād, d. 1254. Talkhīṣ al-Jāmiʻ al-kabīr1
- Khiḍr (Legendary character)6
- Khiṭāʼī, ʻUthmān, active 15th century. Ḥāshiyah ʻalá al-Mukhtaṣar1
- Khiṭāʼī, ʻUthmān, active 15th century. Ḥāshiyah ʻalá al-Sharḥ al-mukhtaṣar8
- Khujandī, ʻAlī, d. ca. 1427. Quṣārá fī al-taṣrīf1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)22
- Khuzāʻī, Diʻbil ibn ʻAlī, 765 or 766-860 or 861. Qaṣīdah1
- Khvānsārī, Jamāl al-Dīn, -1713? Ḥāshīyah ʻalá Tajrīd al-ʻaqāʼid1
- Khwājahʹzādah, Muṣṭafá ibn Yūsuf, -1487 or 14881
- Khādimī, Muḥammad ibn Muṣṭafá, 1701 or 1702-1762 or 1763. Risālah fī ajzāʼ al-qaḍīyah1
- Khādimī, Muḥammad ibn Muṣṭafá, 1701 or 2-1762 or 3. Majāmiʻ al-ḥaqāʼiq wa-al-qawāʻid wa-jawāmiʻ al-raqāʼiq wa-al-fawāʼid1