Barrios de Wisconsin M
- MacArthur Heights (3)
- Maple Tree (1)
- Marquette (1)
- Marquette Park (1)
- Marquette-Dane (25)
- Martin Drive (2)
- McAuliffe Park (1)
- McGovern Park (3)
- McKinley (1)
- Meadowood (7)
- Memorial (1)
- Menomonee River Hills (1)
- Merrill Crest (1)
- Merrill Park (5)
- Metcalfe Park (3)
- Middleton Hills (1)
- Midtown Milwaukee (3)
- Midvale Heights (4)
- Miller Valley (1)
- Milwaukee River Parkway (2)
- Mitchell Park (2)
- Mitchell West (1)
- Morgan Heights (2)
- Morgandale (3)
- Mount Mary (3)
- Mount Pleasant (22)
- Murray Hill (53)
- Muskegg Way (4)