- Khujandī, ʻAlī, d. ca. 1427. Quṣārá fī al-taṣrīf1
- 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
- Kifāyat al-ḥuffāẓ (Ibn al-Hāʼim, Aḥmad ibn Muḥammad)1
- Kings and rulers--Heraldry1
- Kings and rulers--Succession1
- Kinot1
- Kitāb fī al-fiqh al-Shāfiʻī1
- Knowledge, Theory of (Religion)1
- Kufic1
- Kumayl ibn Ziyād, 633 or 634-7011
- Kyi︠e︡vo-Pechersʹka lavra1
- Kāfiyajī, Muḥammad ibn Sulaymān, -1474. Sharḥ al-Iʻrāb ʻan qawāʻid al-iʻrāb1
- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)1
- Kāshī, Jamshīd ibn Masʻūd, -approximately 1436. Sullam al-samāʼ1
- Kāshī, Yaḥyá ibn Aḥmad. Qarah ḥāshiyah1
- Kāsānī, Aḥmad Khvājagī1
- Kātī, Ḥusām al-Dīn al-Ḥasan, -1358 or 1359. Qāla aqūl1