- Monastic and religious life--Early church1
- Monasticism and religious orders1
- Monks1
- More, Thomas, Saint, 1478-15351
- Mosques (Islamic law)1
- Motazilites1
- Mukhtaṣar al-Muntahá al-uṣūlī (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Muslim ibn al-Ḥajjāj al-Qushayrī, approximately 821-8751
- Muslim pilgrims and pilgrimages1
- Muslim pilgrims and pilgrimages--Law and legislation1
- Muslim women1
- Muslims--Conduct of life1
- Mālik ibn Anas, -7951
- Naqshabandī, Khālid ibn Aḥmad, 1776-18271
- Navarre (Kingdom)1
- Netherlands1
- New York (State)--New York1
- Ninth of Av--Liturgy1
- Niẓām al-Mulk, 1018-10921
- Nukhbat al-fikar fī muṣṭalaḥ ahl al-athar (Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī)1