- Masorsah1
- Mass1
- Materia medica, Animal1
- Mathal al-sāʼir fī adab al-kātib wa-al-shāʻir (Ibn al-Athīr, Ḍiyāʼ al-Dīn Naṣr Allāh ibn Muḥammad)1
- Mathematical recreations1
- Mathematics, Medieval1
- Mathematics--Study and teaching1
- Matzos1
- Mawlānāʹzādah, Aḥmad ibn Maḥmūd, active 14th century. Sharḥ al-Hidāyah1
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Maximian, Emperor of Rome, approximately 240-3101
- Maximilian I, Holy Roman Emperor, 1459-15191
- Maximus, of Turin, Saint, active 4th century-5th century1
- Maya (Hinduism)1
- Maydūmī, Muḥammad ibn Muḥammad, -13531
- Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad, 1389-1459. Sharḥ Minhāj al-ṭālibīn1
- Maḥberet (Mĕnaḥem ben Saruq)1
- Maḥbūbī, ʻUbayd Allāh ibn Masʻūd, -1346 or 1347. Muqaddimāt al-arbaʻ1
- Maḥzor. Passover1
- Maḥzor. Rosh ha-Shanah1