- Knafo, Shimon ben Yehuda1
- Knowledge, Theory of (Islam)8
- Kufic2
- Kufr (Islam)2
- Kumayl ibn Ziyād, 633 or 634-7012
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)107
- Kāfiyajī, Muḥammad ibn Sulaymān, -1474. Sharḥ al-Iʻrāb ʻan qawāʻid al-iʻrāb1
- Kāfī (Kulaynī, Muḥammad ibn Yaʻqūb)9
- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)2
- Kāfī fī al-ʻarūḍ wa-al-qawāfī (Tibrīzī, Yaḥyá ibn ʻAlī)1
- Kāshī, Jamshīd ibn Masʻūd, -approximately 1436. Miftāḥ al-ḥussāb1
- Kāshī, Jamshīd ibn Masʻūd, -approximately 1436. Sullam al-samāʼ1
- Kāshī, Yaḥyá ibn Aḥmad. Qarah ḥāshiyah3
- Kātī, Ḥusām al-Dīn al-Ḥasan, -1358 or 1359. Qāla aqūl1
- Kūrānī, Ibrāhīm ibn Ḥasan, 1616 or 1617-approximately 16901
- Kūrānī, Ibrāhīm ibn Ḥasan, 1616 or 1617-approximately 1690. Maslak al-jalī fī ḥukm shaṭḥ al-walī1
- Kūrānī, Ibrāhīm ibn Ḥasan, 1616 or 1617-approximately 1690. Maslak al-taʻrīf1
- Kūrānī, Ṭānā ibn Aḥmad, d. 1884? Naẓm Mukhtaṣar al-Manār1
- Lacquered bindings15
- Lamaʻāt (ʻIrāqī, Fakhr al-Dīn Ibrāhīm)2