- D'Alembert
- D'Arcy
- D'Escousse
- Daaquam
- Dacre
- Dafoe
- Dagmar
- Dakin
- Dal
- Dale
- Dalemead
- Dalhousie
- Dalhousie
- Dalhousie East
- Dalhousie Junction
- Dalhousie Lake
- Dalhousie Mills
- Dalhousie Parish
- Dalhousie Road
- Dalhousie Settlement
- Dalhousie Station
- Dalhousie West
- Dalkeith
- Dallas
- Dalmeny
- Dalrymple
- Dalston
- Dalton
- Dalton Mills
- Daly
- Damascus
- Danbury
- Dane
- Daniel's Harbour
- Daniels Harbour
- Danville
- Dapp
- Darfield
- Darlingford
- Dartmouth
- Darwell
- Dashwood
- Dauphin
- Daveluyville
- Davidson
- Davidson
- Davis Inlet
- Dawn Mills
- Dawn-Euphemia
- Dawson
- Dawson
- Dawson City
- Dawson City
- Dawson Creek
- Dawsons Landing
- Day Mills
- Daylesford
- Daysland
- Dayton
- De Grasse
- De Grassi Point
- De Grau
- De Lery
- De Salaberry
- De Vaudreuil
- De Winton
- Dead Man's Flats
- Deadwood
- Dealtown
- Dean Lake
- Deanlea Beach
- Dease Lake
- Dease Lake
- Debden
- Debec
- Debert
- Debert Station
- Debolt
- Decimal
- Decker Lake
- Deep Brook
- Deep River
- Deep River Depot
- Deepdale
- Deepwater Creek
- Deer Bay
- Deer Forks
- Deer Harbour
- Deer Island
- Deer Lake
- Deer Lake
- Deerbrook
- Deerhurst
- Defot
- Defoy
- Del Bonita
- Delacour
- Delaire
- Delamere
- Delaware
- Delburne
- Deleau
- Delhi
- Delia
- Deline
- Delisle
- Delisle
- Delmas
- Deloraine
- Deloro
- Delph
- Delson
- Delta
- Delta
- Delta
- Delton
- Deltor
- Demaine
- Demmitt
- Demorestville
- Denare Beach
- Denare Beach
- Denbigh
- Dendron
- Denfield
- Denholm
- Denholm
- Denman Island
- Denmark
- Denwood
- Denzil
- Depot Harbour
- Derby
- Derwent
- Derwent
- Des Joachims
- Des Ruisseaux
- Desaulniers
- Desbarats
- Desbiens
- Desboro
- Deschaillons
- Deschaillons Sur Saint Laurent
- Deschaillons-Sur-Saint-Laurent
- Deschaillons-Sur-St-Laurent
- Deschambault
- Deschambault-Grondines
- Deseronto
- Desmarais
- Desmeloizes
- Destor
- Destruction Bay
- Detah
- Detour Lake
- Deux Rivières
- Deux-Montagnes
- Devenish
- Devil Lake
- Devine
- Devine Lake
- Devizes
- Devlin
- Devon
- Dewberry
- Dewdney
- Dewette
- Dewey
- Dewitt's Corners
- Dewittville
- Diamond City
- Didsbury
- Didyme
- Dieppe
- Digby
- Digby Island
- Digby Municipal District
- Dildo
- Dilke
- Dillon
- Dillon
- Dina
- Dingwall
- Dinorwic
- Dinsmore
- Dipper Harbour
- Disley
- Disraeli
- Disraeli Paroisse
- Dixon's Corners
- Dixonville
- Dixville
- Doaktown
- Doating Cove
- Dobbinton
- Dobie
- Dodsland
- Doe Lake
- Doe River
- Dog Creek
- Dogpound
- Dokis
- Dolbeau
- Dolbeau-Mistassini
- Dollard
- Dollard-Des Ormeaux
- Domain
- Dome Creek
- Dominion
- Dominion City
- Domremy
- Domville
- Donald
- Donald Landing
- Donalda
- Donaldson
- Donatville
- Donjek
- Donkin
- Donnacona
- Donnelly
- Dorchester
- Dorchester
- Dorchester Parish
- Dorintosh
- Dorion
- Dorking
- Dorland
- Dornoch
- Dorothy
- Dorreen
- Dorset
- Dorval
- Doré Lake
- Dosquet
- Dot
- Doughty
- Douglas
- Douglas
- Douglas
- Douglas
- Douglas Lake
- Douglas Station
- Douglas-Shilo
- Douglastown
- Douglastown
- Douro
- Douro-Dummer
- Dover
- Dover Centre
- Dowling
- Dowling
- Downeyville
- Downie
- Doyles
- Dragon Lake
- Drake
- Drayton
- Drayton Valley
- Dresden
- Driftpile
- Driftwood
- Drinkwater
- Drinnan
- Dromore
- Dropmore
- Drumbo
- Drumheller
- Drummond
- Drummond Centre
- Drummond Parish
- Drummond/North Elmsley
- Drummondville
- Drummondville Nord
- Drummondville S
- Dryden
- Duart
- Duberger
- Dublin
- Dubreuilville
- Dubuc
- Dubuisson
- Duchess
- Duck Bay
- Duck Lake
- Duclos
- Dudswell
- Duff
- Dufferin
- Dufferin Parish
- Duffield
- Duffs Corners
- Dufrost
- Dugald
- Dugwal
- Duhamel
- Duhamel-Ouest
- Dumbarton
- Dumfries
- Dummer Lake
- Dummer Twp
- Dunbar
- Dunblane
- Dunboyne
- Duncan
- Duncan Bay
- Duncan Lake
- Dunchurch
- Dundalk
- Dundas
- Dundas
- Dundee
- Dundee
- Dundela
- Dundonald
- Dundurn
- Dune Du Sud
- Dunedin
- Dunelm
- Dunfermline
- Dungannon
- Dunham
- Dunkerron
- Dunkin
- Dunlop
- Dunmore
- Dunnottar
- Dunns Valley
- Dunnville
- Dunrea
- Dunrobin
- Dunsford
- Dunster
- Duntara
- Duntroon
- Dunvegan
- Dunville
- Dunwich
- Duparquet
- Duplessis
- Dupuy
- Durban
- Durham
- Durham
- Durham Bridge
- Durham-Sud
- Durlingville
- Durrance
- Duthill
- Dutton
- Dutton/Dunwich
- Duval
- Duvernay
- Duvernay
- Dwight
- Dyer Bay
- Dyer's Bay
- Dyment
- Dysart
- Dégelis
- Déléage