Massachusetts Neighborhoods M
- Magoun Square (90)
- Main Middle (5)
- Malden Center (54)
- Maplewood (63)
- Marina Bay (9)
- McKnight (4)
- Medford Hillside (105)
- Meeting House Hill (42)
- Melrose East Side (5)
- Melrose Highlands (10)
- Memorial Square (3)
- Merrymount (4)
- Metro West (72)
- Metropolitan Hill-Beech St (2)
- Mid-Cambridge (364)
- Mill Pond (6)
- Mishawum (3)
- Mission Hill (1625)
- Montclair (10)
- Mount Vernon (5)