Barrios de Wisconsin M
- MacArthur Heights (6)
- Maple Tree (1)
- Marquette (1)
- Marquette Park (1)
- Marquette-Dane (31)
- McAuliffe Park (1)
- McGovern Park (1)
- McKinley (2)
- Meadowood (3)
- Meadows (1)
- Menomonee River Hills (2)
- Menomonee River Hills East (3)
- Merrill Park (2)
- Metcalfe Park (4)
- Middleton Hills (1)
- Midtown Milwaukee (6)
- Midvale Heights (9)
- Miller Valley (2)
- Milwaukee River Parkway (1)
- Mitchell Park (1)
- Mitchell West (2)
- Morgan Heights (1)
- Morgandale (2)
- Mount Pleasant (25)
- Murray Hill (43)
- Muskegg Way (5)