Encyclopedias, Almanacs, Transcripts, and Maps
- Morsi, Mohamed
- Mortensen, Dale Thomas
- Morteratsch
- Mortimer, Edmund de, 5th earl of March and 3d earl of Ulster
- Mortimer, Roger de, 4th earl of March and 2d earl of Ulster
- Morton Grove
- Morton, Julius Sterling
- Morton, Levi Parsons
- Morton, Rosalie Slaughter
- Morvan
- Mosconi, Willie
- Moscow Basin
- Moser, Edvard Ingjald
- Moser, May-Britt
- Moser-Pröll, Annemarie
- Moses Lake
- Moshi
- Moskenstraumen
- Moskva
- Moslem