Barrios de Wisconsin M
- MacArthur Heights (3)
- Maple Tree (3)
- Marquette (1)
- Marquette-Dane (135)
- Martin Drive (4)
- McAuliffe Park (1)
- McGovern Park (7)
- McKinley (4)
- Meadowood (2)
- Meadows (1)
- Menomonee River Hills (2)
- Menomonee River Hills East (1)
- Merrill Park (8)
- Metcalfe Park (11)
- Middleton Hills (2)
- Midtown Milwaukee (10)
- Midvale Heights (7)
- Miller Valley (1)
- Milwaukee River Parkway (1)
- Mitchell Park (1)
- Mitchell West (3)
- Morgan Heights (2)
- Morgandale (3)
- Mount Pleasant (28)
- Murray Hill (45)
- Muskegg Way (5)