D
- Daggett
- Daguscahonda
- Dagus Mines
- Dahoga
- Daisytown
- Dale
- Dale Summit
- Daleville
- Daleville
- Dalevue
- Daley
- Dallas
- Dallas City
- Dallastown
- Dalmatia
- Dalton
- Dalvue
- Damascus
- Danielsville
- Dannersville
- Dantown
- Danville
- Darby
- Darby Township
- Darling
- Darlington
- Darlington
- Darlington Corner
- Darragh
- Dauphin
- Daves Gap
- Davidsburg
- Davidson
- Davidson Heights
- Davidsville
- Davis
- Davis Station
- Davistown
- Davistown
- Dawson
- Dawson Ridge
- Dawson Run
- Day
- Dayton
- Deal
- Dean
- Deanville
- Deardorffs Mill
- Dearth
- Decatur
- Deckard
- Deckers Point
- Deckertown
- Decorum
- Deemers Crossroads
- Deemston
- Deep Run
- Deep Valley
- Deer Lake
- Deer Lick
- Deeters Gap
- Deffenbaugh
- Defiance
- Degolia
- Deibler
- Delabole
- Delamater Corners
- Delano
- Delaware
- Delaware Grove
- Delaware Run
- Delaware Water Gap
- Delhill Corners
- Dellville
- Delmont
- Delphene
- Delps
- Delroy
- Delta
- Dempseytown
- Demunds Corners
- Denbo
- Denison
- Dennis Mills
- Dennys Corners
- Dennys Mills
- Denton
- Denton Hill
- Dents Run
- Denver
- Deodate
- Derringer Corners
- Derrs
- Derry
- De Sale
- Desire
- Devault
- Devon
- Dewart
- Dewey Corner
- Dexter
- Diamond
- Diamondville
- Dice
- Dickerson Run
- Dickeys Mountain
- Dicksonburg
- Dickson City
- Dicksonville
- Didier
- Dieffenback
- Diehl
- Dietrich
- Dilliner
- Dillontown
- Dillsburg
- Dilltown
- Dilworthtown
- Dime
- Dimeling
- Dimmsville
- Dimock
- Dingmans Ferry
- Distant
- Divide
- Dividing Ridge
- Dixon
- Dixonville
- Doane
- Dock Hollow
- Dock Junction
- Doe Run
- Dogtown
- Dogtown
- Dogtown
- Dogtown
- Dolington
- Donaldson
- Donaldsons Crossroads
- Donation
- Donegal
- Donerville
- Donley
- Donnally Mills
- Donnellytown
- Donohoe
- Donora
- Dora
- Dormont
- Dornsife
- Dorrance
- Dorset
- Dorseyville
- Dott
- Dotter
- Dotters Corners
- Dotyville
- Doubling Gap
- Dougherty
- Doughertys Mills
- Douglassville
- Dover
- Dowlin
- Downey
- Downieville
- Downingtown
- Doylesburg
- Doyles Mills
- Doylestown
- Doylestown
- Drake
- Drakes Creek
- Drakes Mills
- Draketown
- Draketown
- Draketown
- Drane
- Draper
- Dravosburg
- Drehersville
- Drennen
- Dresher
- Drexel Hill
- Drifting
- Drifton
- Driftwood
- Drinker
- Driscoll
- Dromgold
- Drummond
- Drumore
- Drums
- Drury Run
- Dry Run
- Dry Tavern
- Dry Tavern
- Dry Valley Crossroads
- Dublin
- Dublin Mills
- Du Bois
- Duboistown
- Duckrun
- Dudley
- Duffield
- Dugan Hill
- Duhring
- Duke Center
- Dumas
- Dunbar
- Duncannon
- Duncansville
- Dundaff
- Dundore
- Dungarvin
- Dunham Corners
- Dunkelbergers
- Dunkle
- Dunlap Village
- Dunlevy
- Dunlo
- Dunmore
- Dunning
- Dunningsville
- Dunns Station
- Dunnstown
- Dunsfort
- Dupont
- Duquesne
- Durbin
- Durell
- Durham
- Durlach
- Duryea
- Dushore
- Dutch Corner
- Dutch Hill
- Dutch Hill
- Dutch Hill
- Dutchtown
- Dyberry
- Dysatt
- Dysertown