C
- (Dún Laoghaire-Rathdown) Cherrywood
- (County Carlow) Curragh
- (Wicklow) Crossnacole
- (Wicklow) Carrig Upper
- (Wicklow) Carrig Lower
- (Wicklow) Carrignamweel
- (Wicklow) Carrignamuck
- (Wicklow) Corballis Upper
- (Wicklow) Corballis Lower
- (Wicklow) Cronebane
- (Wicklow) Coolacork
- (Wicklow) Cloghoge
- (Wicklow) Coolanearl
- (Wicklow) Coolaflake
- (Wicklow) Crone More
- (Wicklow) Cronesallagh
- (Wicklow) Cloneen
- (Wicklow) Crone Beg
- (Wicklow) Clonerkin
- (Wicklow) Cronawinnia
- (Wicklow) Coolgarrow
- (Wicklow) Coolballintaggart
- (Wicklow) Coolalug
- (Wexford) Craan
- (Wexford) Croghan Upper
- (Wexford) Croghan Middle
- (Wexford) Clonroe Upper
- (Wexford) Clonroe Lower
- (Wexford) Custodium
- (Wicklow) Clone