C
- (County Waterford) Coolydoody
- (County Waterford) Coolydoody North
- (County Cork) Currabeha
- (County Cork) Coolbaun
- (County Cork) Cregg North
- (County Cork) Creggolympry
- (County Cork) Cappagh
- (County Cork) Coolinny
- (County Cork) Carrigdownane
- (County Cork) Curraghoo More
- (County Cork) Curraghagalla
- (County Cork) Caherdrinny
- (County Cork) Corrabrien Cross Roads
- (County Cork) Cronohill
- (County Cork) Castlecooke
- (County Cork) Coolaneague
- (County Cork) Crinnaghtane
- (County Waterford) Countygate
- (County Waterford) Curraghacna
- (County Waterford) Cool
- (County Waterford) Cooldrishoge
- (County Waterford) Carrigninnower
- (County Cork) Cullenagh
- (County Cork) Cloonlough
- (Limerick City and County Council) Coolavehy
- (Limerick City and County Council) Carrigeen Cross Roads
- (Limerick City and County Council) Cullane
- (Limerick City and County Council) Curraghturk
- (County Cork) Corracunna
- (County Cork) Curraghavoe