Encyclopedias, Almanacs, Transcripts, and Maps
- Mašin, Draga
- Masip, Vicente Juan
- Masjed Soleyman
- Maskat
- Maskawa, Toshihide
- Maskin, Eric Stark
- Mason and Slidell Affair
- Mason, James Murray
- Masonic orders
- Masons
- Masora
- Maspero, Gaston Camille Charles
- Masqat
- mass transit
- Massachusetts Bay
- Massachusetts State Teachers College
- Massapequa
- Massapequa Park
- Masséna, André
- Massillon, Jean Baptiste