Encyclopedias, Almanacs, Transcripts, and Maps
- movable christian feasts
- Movement for the Restoration of the Ten Commandments of God
- Mozi
- Mudnest Builders (Grallinidae)
- Mudrā
- muezzin
- Muguliformes (Mullets)
- Muḥammad
- Muḥammad Aḥmad
- Muir, John (1838 – 1914) American Naturalist and Writer
- Muisca Religion
- Mujaheddin
- mule deer
- Mullā Ṣadrā
- mullah
- Müller, F. Max
- Müller, Karl O.
- multi-media
- Multi-Species Management
- Multiple Use-Sustained Yield Act (1960)