C
- (Charlotte County) Cheney Island
- (Charlotte County) Casco Bay Island
- Cap-Pele
- (Charlotte County) Cannonball Island
- (Charlotte County) Isla Campobello
- (York County) County Line
- (York County) Clarkville
- (York County) Caverhill
- (York County) Currieburg
- (York County) Cross Creek Station
- (York County) Cross Creek
- (Victoria County) Carlingford
- (Gloucester County) Chamberlain Settlement
- (Carleton County) Charleston
- (Carleton County) Carvell
- (Carleton County) Centre Glassville
- (Carleton County) Chapmanville
- (Carleton County) Clearview
- (Carleton County) Carlow
- (Gloucester County) Cowans Creek
- (Gloucester County) Clifton
- (Gloucester County) Chiasson
- (Madawaska County) Comeau Ridge
- (Gloucester County) Carron Point
- (Gloucester County) Canobie
- (York County) Central Hainesville
- (Westmorland County) Cape Tormentine
- (Restigouche) Charlo
- Cambridge-Narrows
- Chipman