- Matane
- Mabel
- Macamic
- Madame Island (historical)
- Maddington Falls
- Madeleine-Centre
- Magog
- Magpie
- Malartic
- Maliotenam
- Malvina
- Manawan
- Mandeville
- Manic-Cinq
- Maniwaki
- Mann Settlement
- Manneville
- Manouane
- Manseau
- Mansfield-et-Pontefract
- Mansonville
- Mansville
- Maple Grove
- Maple Leaf
- Maple Ridge
- Maple Ridge
- Marelan
- Maria
- Maricourt
- Marieville