- Montan Estates
- Montcla
- Montegut
- Monterey
- Montgomery
- Monticello
- Montpelier
- Montrose
- Monty
- Montz
- Moonraker Island
- Moore
- Mooringsport
- Mora
- Morameal
- Morbihan
- Moreauville
- Moreland
- Morgan Bluff
- Morgan City
- Morgan City Beach
- Morgan Island
- Morgan Place
- Morgan Place West
- Morganza
- Morganza Landing
- Morley
- Moro
- Morris
- Morrison