- McCoy
- Modeville
- Madras
- Marion
- Mitchell
- Moro
- Monroe
- Mount Vernon
- McDonald
- Monkland
- Moody Island
- Manhattan Beach
- Meda
- Mohler
- McKay
- McNary
- Memaloose Island (historical)
- Medical Springs
- Maxville
- Memaloose Island (historical)
- Marlene Village
- Middleton
- Midway
- Mountaindale
- Mulloy
- Midway
- Malin
- Manzanita
- Maupin
- Maywood Park