- Manitowaning
- Michael's Bay
- Mindemoya
- Monument Corner
- Markham
- Meaford
- Merrickville-Wolford
- Macksville
- Maple Grove
- Mayfair
- Melrose
- Middlemiss
- Mooresville
- Moray
- Mossley
- Mullifarry
- Muncey
- Minto
- Mississauga
- Mississippi Mills
- Mono
- Moosonee
- Mount Brydges
- Madawaska
- McKenzie Lake
- Murchison
- McCracken Landing
- Morganston
- Malakoff
- Manion Corners