- Morrisonville
- Musson
- Myrtle Grove
- Myrtle Grove Plantation
- Mount Hebron
- Mount Moriah
- Majorias Many Trees Mobile Home Park
- Manilla
- McDonoghville
- Mendicant Island
- McCutchen Mobile Home Haven
- Monticello
- Madisonville
- Mansfield
- Marion
- Martin
- Melville
- Midway
- Minden
- Montgomery
- Monticello
- Montpelier
- Mamou
- Mandeville
- Many
- McNary
- Montegut
- Morse
- Mound
- Mount Lebanon