Cities — C
2,315 towns in C
- Castlereban North (L)
- Castlerichard (M)
- Castleroe Cross Roads (L)
- Castleroyan (C)
- Castlesampson (C)
- Castleshane (U)
- Castleshannon (M)
- Castlesheenaghan (C)
- Castlestrange Bridge (C)
- Castletown (C)
- Castletown (L)
- Castletown (L)
- Castletown (L)
- Castletown (L)
- Castletown (L)
- Castletown (L)
- Castletown (L)
- Castletown (L)
- Castletown (M)
- Castletown (M)
- Castletown (M)
- Castletown Bridge (L)
- Castletown Bridge (M)
- Castletown Geoghegan (L)
- Castletown Tara (L)
- Castletownbere (M)
- Castletownmoor (L)
- Castletownroche (M)
- Castletownroche (M)
- Castletownshend (M)
- Castletroy (M)
- Castlewarren (L)
- Casttercose (M)
- Cathole Bridge (L)
- Catstown (L)
- Catto's Cross Roads (L)
- Caulstown (L)
- Caurans (C)
- Causestown (L)
- Causestown (L)
- Causeway (M)
- Cauteen Bridge (M)
- Cavan (U)
- Cavan (U)
- Cavan (U)
- Cavan (U)
- Cavanagarvan (U)
- Cavangarden (U)
- Cave (C)
- Cavestown and Rosmead (L)
- Cavetown (C)
- Ceantar na nOilean (C)
- Cecilstown (M)
- Celbridge (L)
- Cellarstown (L)
- Celvinstown (L)
- Chacefield (C)
- Chadrinagh (M)
- Chamberlainstown (L)
- Chamberstown (L)
- Chanonrock (L)
- Chanonstown (L)
- Chapel (L)
- Chapel (L)
- Chapel Street (C)
- Chapelbride (L)
- Chapelizod (L)
- Chapelmidway (L)
- Chapeltown (M)
- Chapeltown (M)
- Charlesfort (C)
- Charlesland (L)
- Charlesland (L)
- Charless Bridge (M)
- Charlestown (C)
- Charlestown (C)
- Charlestown (L)
- Charlestown-Bellahy (C)
- Charleville (M)
- Charleville (M)
- Cheekpoint (M)
- Cherry Orchard (L)
- Cherrymount (L)
- Cherryorchard Bridge (L)
- Cherryville (L)
- Cherrywood (L)
- Christianstown (L)
- Church Cross (M)
- Church Hill (U)
- Church Town (U)
- Church Village (C)
- Churchbay (M)
- Churchfield (C)
- Churchill (U)
- Churchstreet (C)
- Churchtown (L)
- Churchtown (L)
- Churchtown (L)
- Churchtown (L)
- Churchtown (L)
- Churchtown (L)
- Churchtown (L)
- Churchtown (M)
- Churchtown (M)
- Churchtown (M)
- Churchtown (M)
- Churchtown (M)
- Cill Alaithe (C)
- Cill Fhionain (M)
- Cinn an Bhaile (C)
- Civil Hollow (L)
- Claddagh (C)
- Claddagh (C)
- Claddaghduff (C)
- Claggan (C)
- Claggan (C)
- Claggan (C)
- Claggan (U)
- Claggan (U)
- Claggan (U)