- Kaʻbah (Mecca, Saudi Arabia)1
- Kemalpaşazade, 1468 or 1469-15341
- Kemalpaşazade, 1468 or 1469-1534. Tafsīr al-Fātiḥah1
- Khabīṣī, Muḥammad ibn Abī Bakr, active 14th century. Muwashshaḥ1
- Khiṭāʼī, ʻUthmān, active 15th century. Ḥāshiyah ʻalá al-Sharḥ al-mukhtaṣar1
- Khujandī, ʻAlī, d. ca. 1427. Quṣārá fī al-taṣrīf1
- Kāfiyajī, Muḥammad ibn Sulaymān, -1474. Sharḥ al-Iʻrāb ʻan qawāʻid al-iʻrāb1
- Kāshī, Yaḥyá ibn Aḥmad. Qarah ḥāshiyah1
- Laqānī, Muḥammad ibn Ḥasan, 1468 or 1469-1550. Ḥāshiyat Taṣrīf al-ʻIzzī1
- Letter writing, Turkish1
- Liquor laws (Islamic law)1
- Lubāb al-iʻrāb al-māniʻ min al-laḥn fī al-sunnah wa-al-Kitāb (Shaʻrānī, ʻAbd al-Wahhāb ibn Aḥmad)1
- Lāmīyat al-jumal (Mijrādī, Muḥammad ibn Muḥammad)1
- Magic squares1
- Mahdi1
- Manuscripts, Javanese1
- Manẓūmat al-alghāz al-naḥwiyah1
- Masjid al-Nabawī al-Sharīf1
- Mawṣilī, Muḥammad ibn al-Ḥusayn, -1334 or 13351
- Medicine1