Locations
- D'Olier Chambers
- D'Olier Street
- Dalgin
- Dalkey
- Dalymount
- Dame Court
- Dame Lane
- Dame Street
- Dargle Road
- Darley Street
- Darley's Terrace
- Dartmouth
- Dartmouth Square
- Dartry
- Dartry Road
- David Road
- Davitt Parade
- Dawson Lane
- Dawson Street
- De Courcy Square
- De Vesci Terrace
- Dean Street
- Deepdale
- Deerpark
- Delgany
- Delvin
- Demesne Road
- Denmark Row
- Denmark Street
- Denmark Street Great
- Denmark Street Little
- Denzille Street
- Derby
- Derby Road
- Derbyshire Lane
- Devon
- Devon Street
- Devonport
- Devonshire
- Devonshire Street
- Digges Street
- Dingle
- Dingleside
- Distillery Cottages
- Dock Road
- Dock Street
- Dodder Bank
- Dodder Bank Cottages
- Dodder Road
- Dolgarrog
- Dollymount
- Dolphin Terrace
- Dolphin's Barn
- Dolphin's Barn Bridge
- Dolphin's Barn Street
- Dominick Street
- Dominick Street Lower
- Dominick Street Upper
- Dominick Way
- Donabate
- Donade
- Donard Terrace
- Doncaster
- Donegal
- Donegall Place
- Donegall Square
- Donegall Street
- Doneraile
- Donnybrook
- Donnybrook Road
- Donnycarney
- Donore
- Donore Avenue
- Donore Terrace
- Dorchester
- Doris Street
- Dorset
- Dorset Street
- Dorset Street Lower
- Dorset Street Upper
- Douglas Street
- Douglas Terrace
- Down
- Downpartrick Street
- Downton
- Dowra
- Drogheda
- Drogheda Street
- Dromard Terrace
- Dromiskin
- Dromod
- Drumbrulisk
- Drumcashel
- Drumcondra
- Drumcondra Park
- Drumcondra Road
- Drumcondra Road Lower
- Drumcondra Road Upper
- Drumcondra Upper
- Drumdoney
- Drummond Place
- Drumree
- Drumsna
- Drury Street
- Dryburgh Road
- Drynan
- Dublin
- Dublin Castle
- Dublin Road
- Dudbridge Mills
- Dudley
- Dufferin Avenue
- Duke Row
- Duke Street
- Duleek
- Dumfries
- Dunboyne
- Duncairn Avenue
- Dundalk
- Dundee
- Dundrum
- Dungannon
- Dungar Terrace
- Dungarvan
- Dungriffin Road
- Dunkineely
- Dunlavin
- Dunleer
- Dunmanway
- Dunmore
- Dunsandle
- Dunshaughlin
- Dunville Avenue
- Durham
- Durrow