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- Danielsville
- Danville
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- Darlington
- Dauphin
- Dayton
- Defiance
- Delaware Water Gap
- Delta
- Denver
- Derry
- Devault
- Devon
- Dickerson Run
- Dickson City
- Dillsburg
- Dingman
- Dingmans Ferry
- Donegal Township
- Dorneyville
- Douglassville
- Dover
- Dover Township
- Downingtown
- Doylesburg
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- Doylestown Township
- Dravosburg
- Dresher
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- Drifting
- Drifton
- Drums
- Dry Run
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- Dunbar
- Dunbar Township
- Duncannon
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- Dunlo
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- Duryea