- Clonard
- Clonsilla
- Corballis
- Corduff
- Coultry
- Cross of the Cage
- Clara
- Cadamstown
- Calfstown
- Calverstown
- Cappagh
- Cappanargid
- Carbury
- Carbury Sweep
- Carragh
- Carragh Bridge
- Carrigeen
- Carrigeen Cross Roads
- Carton
- Castledermot
- Castlemitchell South
- Castlereban North
- Castleroe Cross Roads
- Castletown
- Catto’s Cross Roads
- Celbridge
- Chambers Bridge
- Churchtown
- Clane
- Clogharinka