- Cherryville
- Clara
- Cabinteely
- Cabra
- Cadamstown
- Cadamstown
- Caddagh
- Calary Lower
- Calary Upper
- Calfstown
- Callan
- Calliaghstown
- Caltragh
- Calverstown
- Camaross
- Camira Cross Roads
- Camolin
- Campile
- Camross
- Canal Harbour
- Cangort
- Cannonsquarter
- Cannonstown
- Cannonswood Cross Roads
- Canonstown
- Cappagh
- Cappagh
- Cappagh
- Cappagh Cross Roads
- Cappagh House