Regions of Ireland
- Slieve Dart
- Darrynane Harbour
- Darrynane Bay
- Darrynane Abbey
- Darragh House
- Dargle River
- Dardistown
- Dangan House
- Dangan
- Dangan
- Danesfort House
- Lough Dan
- Damph
- Dalystown House
- Dalystown
- River Dalua
- Dalligan River
- Dalkey
- Dalgin
- Dalgan River
- Dalganpark
- Lough Dahybaun
- Slieve Daeane
- Lough Cutra
- Cushina River
- Cushina
- Currygrane House
- Curryglass House
- Curryglass
- Curry
- Curreeny
- Curranes
- Lough Currane
- Curramore House
- Curramore
- Curraheen
- Currah Chase House
- Curraglass
- Curragh West
- Curraghmore House
- Curraghgorm
- Curraghalicky Lake
- Curraghaleen
- Curragha
- The Curragh
- Curragh
- Curragh
- Curracloe House
- Curlew Mountains
- Cur
- Cummirk River
- Cummeragh River
- Cummeen Strand
- Cummeenduff Glen
- Cummeen
- Culray
- Culmullin Cross Roads
- Cullumore
- Lough Cullin
- Cullies House
- Cullentra
- Cullen Castle
- Cullenagh River
- Cullenagh
- Cullen
- Cullen
- Culleens
- Lough Cullaunyheeda
- Lough Cullaun
- Cullaun
- Cullahill
- Cullahill
- Culdaff River
- Culdaff House
- Culdaff Bay
- Culdaff
- Cuilmullagh
- Cuilmore
- Cuilleenirwan Lough
- Grange
- Cuddoo Rock
- Crutt
- Crusheen
- Crump Island
- Crumpaun River
- Crumpaun
- Crumlin
- Cruit Island
- Cruagh
- Croy Lodge
- Crownarad
- Crow Head
- Crowbane
- Crotta House
- Crosswell
- Cross Water
- Falcarragh
- Cross River
- Cross Point
- Crosspatrick
- Crosspatrick
- Crossna
- Crossmount
- Crossmolina
- Cross Lough
- Cross Keys
- Cross Keys
- Crosskeys
- Crosshaven
- The Cross Guns
- Cross Guns
- Crossfarnoge Point
- Crosserlough
- Crossea
- Crossdoney
- Crossboyne
- Cross Barry
- Crossakeel
- Crossabeg
- Cross
- Cross
- Cross
- Croom
- Crookstown
- Crookhaven
- Crook Haven
- Crookedwood
- Cronyhorn House
- Cronamuck River
- Cromane Point
- Crolly
- Croke Park
- Crohy Head
- Crohery Lough
- Crohane
- Croghan Mountain
- Croghan
- Croghan
- Croghan
- Crockglass
- Crockfadda
- Crockets Town
- Crockavishane
- Crockaun
- Crockanaffrin
- The Crockan
- Lough Croan
- Croaghskearda
- Croagh Patrick
- Croaghnakeela Island
- Croaghmoyle
- Croaghaun
- Croaghan Hill
- Croaghan
- Croagh
- Crissard
- Crinkill
- Crettyard House
- Cremorne House
- Creggs
- Cregg River
- Cregg Point
- Cregg House
- Cregg Castle
- Creggaun
- Creggan Lough
- Creggane Castle
- Cregganbaun
- Cregg
- Cregg
- Cregg
- Cregaclare
- Creevy
- Creeves
- Creevelea Abbey
- Creevaghmore
- Creevagh Head
- Creevagh
- Creevagh
- Creeslough
- Creeharmore
- Creegh River
- Creegh
- Creduff
- Creerin
- Cream Point
- Creagh House
- Creagh Castle
- Creaghanroe
- Creagh
- Creagh
- Creadan House
- Creadan Head
- Craughwell
- Cratloe Wood
- Cratloekeel Castle
- Cratloe
- Cranroe
- Cranna House
- Crannagh