- Dallastown
- Darby
- Davidsville
- Deemston
- Delhill Corners
- Dock Junction
- Dowley Corners
- Draketown
- Delaware Water Gap
- Delmont
- Dickson City
- Dicksonville
- Dillsburg
- Donaldson
- Donora
- Dormont
- Downingtown
- Doylestown
- Dravosburg
- Drexel Hill
- Driftwood
- DuBois
- Duboistown
- Duncannon
- Duncansville
- Dunlevy
- Dunmore
- Dunnstown
- Duquesne
- Duryea