C
- (Wexford) Cloghbaun Bridge
- (Wexford) Courtnaenddy Cross Roads
- (Wexford) Cloheden
- (Wexford) Clonmore
- (County Carlow) Coolnamara Cross Roads
- (County Carlow) Coonogue
- (Wexford) Curraghgraigue
- (Wexford) Coolyearney
- (Wexford) Cullentragh
- (Wexford) Clovoge
- (Wexford) Clonjordan
- (Wexford) Coolnahorna
- (County Carlow) Crannagh
- (County Carlow) Cashel
- (County Carlow) Corries Cross Roads
- (County Carlow) Cranemore
- (Wexford) Craan
- (Wexford) Coolattin
- (County Carlow) Closutton
- (County Carlow) Cranaronane
- (County Carlow) Cramlusky
- (County Carlow) Cappagh House
- (County Carlow) Cappagh Cross Roads
- (County Carlow) Clonegah
- (County Carlow) Cloneen Bridge
- (County Carlow) Cloghrustick
- (County Carlow) Cloghna
- (County Carlow) Closh Cross Roads
- (County Carlow) Cunaberry
- (County Carlow) Carrickslaney