- Mirrormont
- Mirrormount Estates
- Mission Beach
- Misty Mountain Mobile Home Park
- Mitchell
- Mobile Country Club
- Mobile Estates
- Mobile Haven Mobile Home Park
- Mobile Manor
- Mobile Ranch Park
- Mock
- Mock City
- Mockonema
- Moclips
- Moffetts Hot Springs
- Mohler
- Mohrweis
- Mojonnier
- Mold
- Molfait Tracts
- Molson
- Mondovi
- Monitor
- Monohan
- Monroe
- Monroe Junction
- Monroe North
- Monse
- Monta Vista
- Montborne