- Ijtihād (Islamic law)3
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubb al-albāb fī ʻilm al-iʻrāb3
- Islamic sects3
- Istiṣḥāb (Islamic law)3
- Jāmiʻ al-Azhar3
- Khawwāṣ, Aḥmad ibn ʻAbbād, 1378?-1454. Kāfī fī ʻilmay al-ʻarūḍ wa-al-qawāfī3
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)3
- Libraries3
- Mahdi3
- Mamelukes3
- Manāzil al-sāʼirīn (Anṣārī al-Harawī, ʻAbd Allāh ibn Muḥammad)3
- Marriage (Islamic law)3
- Marriage--Religious aspects--Islam3
- Martyrdom--Islam3
- Mas̲navī (Jalāl al-Dīn Rūmī, Maulana)3
- Middle East--Jerusalem3
- Months3
- Mughnī al-labīb ʻan kutub al-aʻārīb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)3
- Mukhtaṣar fī al-fiqh ʻalá madhhab al-Shāfiʻī (Abū Shujāʻ al-Iṣfahānī, Aḥmad ibn al-Ḥusayn)3
- Munfarijah (Ibn al-Naḥwī, Yūsuf ibn Muḥammad)3