Cities and Communities in North Ontario
(check also Southern Ontario)
| Macdiarmid | Mattagami | Minnitaki |
| MacDowell | Mattice | Mishkeegogamang |
| MacDuff | Mcintosh | Missanable |
| Madsen | Mckenzie Island | Monteith |
| Malachi | Mead | Montreal River |
| Manitouwadge | Metagama | Moonbeam |
| Marathon | Michipicoten | Moose Factory |
| Marten Falls | Michipicoten River | Moose River |
| Marten River | Millerand | Moosonee |
| Martin | Milnet | Morson |
| Matachewan | Minahico | Murillo |
| Matachewan (IR) | Minaki | Muskrat Dam |
| Matheson | Mine Centre |