C
- (County Cork) Coosheen
- (Limerick City and County Council) Caheragh
- (Kerry) Castle Cove
- (County Cork) Carrigrohane
- (County Cork) Clomacow
- (Kerry) Coom
- (Kerry) Chapeltown
- (Kerry) Cromane
- (County Tipperary) Commons
- (Kerry) Castlemaine
- (County Cork) Clondrohid
- (Kerry) Carrigkerry
- (County Cork) Castletownshend
- (Limerick City and County Council) Croagh
- (County Cork) Crookstown
- (Kerry) Castlegregory
- (County Waterford) Clashmore
- (Kerry) Causeway
- (Limerick City and County Council) Clarina
- (County Cork) Churchbay
- (County Waterford) Cheekpoint
- (County Cork) Cloughduv
- (County Cork) Cross Barry
- (County Tipperary) Cappawhite
- (County Cork) Castlelyons
- (County Cork) Clondulane
- (County Cork) Coachford
- (County Cork) Castletownroche
- (County Tipperary) Clogheen
- (County Cork) Carrignavar