- Mennonite Corner
- Metropolitan
- Millbank
- Milverton
- Mitchell
- Monkton
- Moserville
- Motherwell
- Mount Pleasant
- Munro
- MacDonald Bay
- Mathers Corners
- McCrackens Landing
- Millbrook
- Mount Julian
- Mount Pleasant
- Murray Hill
- Main Duck Island
- McGinnis Creek
- Minahico
- Moore Island
- Morson
- Mississauga Beach
- Morgans Point
- Mannheim
- Maryhill
- Mansfield
- Martins Corner
- Mayhews Landing
- McDougall