- Islamic cosmology1
- Islamic eschatology1
- Islamic magic1
- Islamic poetry, Arabic1
- Islamic rosary1
- Isnawī, ʻAbd al-Raḥīm ibn al-Ḥasan, 1305-13701
- Jawī Zādah, Muḥammad ibn Ilyās, -1547 or 1548. Risālah fī al-masḥ ʻalá al-khuffayn1
- Judgment Day (Islam)1
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)1
- Jārbardī, Fakhr al-Dīn Aḥmad ibn al-Ḥasan, -1345. Mughnī fī al-naḥw1
- Jārbardī, Fakhr al-Dīn Aḥmad ibn al-Ḥasan, -1345. Mughnī fī ʻilm al-naḥw1
- Karmī, Marʻī ibn Yūsuf, -1623 or 16241
- Kaʻbah (Mecca, Saudi Arabia)1
- Kemalpaşazade, 1468 or 1469-15341
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Laqānī, Muḥammad ibn Ḥasan, 1468 or 1469-1550. Ḥāshiyat Taṣrīf al-ʻIzzī1
- Lubāb al-iʻrāb al-māniʻ min al-laḥn fī al-sunnah wa-al-Kitāb (Shaʻrānī, ʻAbd al-Wahhāb ibn Aḥmad)1
- Lāmīyat al-afʻāl (Ibn Mālik, Muḥammad ibn ʻAbd Allāh)1
- Lāmīyat al-jumal (Mijrādī, Muḥammad ibn Muḥammad)1