M
- (Restigouche) Mann Siding
- (York County) Mavis Mills
- (York County) Maple Grove Station
- (York County) Maple Grove
- (Victoria County) Muniac
- (Victoria County) McLaughlin
- (Victoria County) Mapleview
- (Victoria County) Medford
- (Victoria County) Morrell Siding
- (Victoria County) McCluskey
- (York County) Maplewood
- (Restigouche) Mitchell Settlement
- (Restigouche) McKendrick
- (Restigouche) Maltais
- (Restigouche) Malauze
- (Restigouche) Millerville
- (Restigouche) Menneval
- (Restigouche) McNeish
- (Restigouche) McLeods
- (Restigouche) Maple Green
- (Saint John County) Milford
- (Saint John County) Musquash Island
- (Charlotte County) Mowat Island
- (Charlotte County) Morans Island
- (Charlotte County) Moose Island
- (Charlotte County) Mohawk Island
- (Charlotte County) Mink Island
- (Charlotte County) Mink Island
- (Charlotte County) Mink Island
- (Charlotte County) Ministers Island