- Cleedagh Bridge
- Clenagh
- Cloghannmore
- Cloghanulk
- Cloghaun
- Cloghaun
- Cloghaun Bridge
- Cloghaunsavaun
- Cloghera
- Clonrush
- Cloomagro
- Cloonamirran
- Cloonconeen
- Clooncoorha
- Clooncoose
- Clooncullin Bridge
- Clooneylissaun
- Cloonfeagh
- Cloongaheen East
- Clonlara
- Cloonmohaun
- Cloonmore
- Cloonoolia North
- Cloonoolia South
- Cloonselherry
- Cloontrinagh
- Cloonusker
- Cloony Smith
- Coleen Bridge
- Coney Island