Encyclopedias, Almanacs, Transcripts, and Maps
- Meiji, Mutsohito
- Meitner, Lise (1878–1968)
- Melanesian Religions
- Melanesian Religions: An Overview
- Melanesian Religions: Mythic Themes
- Melqart
- Memorization
- Men's Studies in Religion
- Mendicancy
- Menstruation
- mental disorder
- merchant bank
- Merezhkovskii, Dmitrii
- merganser
- Merit: An Overview
- Merit: Buddhist Concepts
- Merit: Christian Concepts
- Merkavah Mysticism
- Merostomata (Horseshoe Crabs)
- Mesites and Roatelos (Mesitornithidae)