M
- Mabou
- Mabou Mines
- MacBains Corner
- Maccan
- MacCormicks Corner
- MacKays Corner
- Mackay Siding
- MacLeod Settlement
- MacNeils Vale
- Mahone Bay
- Mahoneys Corner
- Maitland
- Malagawatch
- Malagawatch Indian Reserve No. 4
- Malay Falls
- Mantua
- Maple Grove
- Mapleton
- Margaree
- Margaree Brook
- Margaree Centre
- Margaree Forks
- Margaree Indian Reserve No. 25
- Margaree Valley
- Margaretsville
- Marion Bridge
- Marion Bridge Road
- Marsh
- Marshalls Crossing
- Marshes (West Bay)
- Marshy Hope
- Martins River
- Mavillette
- McCurdys Corner
- McGraths Mountain
- McNabs Cove
- Meagher
- Medway River Indian Reserve No. 11
- Melrose
- Melrose Hill
- Membertou 28b (Sydney)
- Merigomish
- Merigomish Harbour 31
- Meteghan
- Micmac
- Micmac
- Middle Beaver Bank
- Middle Clyde River
- Middle Musquodoboit
- Middleton
- Middleton Corner
- Middlewood
- Millbrook
- Millbrook 27
- Millers Corner
- Millers Corner
- Millville
- Milton
- Miramichi
- Mira Road
- Monastery
- Montavista
- Moodys Corner
- Moosehead
- Morar
- Morrison Road
- Moser River
- Mossman Corner
- Mount Auburn
- Mount Merrit
- Mount Uniacke
- Mount Uniacke Gold District
- Mount Young
- Mulgrave
- Murchyville
- Mushaboom
- Musquodoboit Harbour