Places beginning with DO in Pennsylvania, United States
- Doane
- Dock Hollow
- Dock Junction
- Doctor Heights (subdivision)
- Doe Run
- Dogtown
- Dogtown
- Dogtown
- Dogtown
- Dogtown
- Dogtown
- Dog Town
- Dogwood Hollow
- Dolf
- Dolington
- Donaldson
- Donaldson
- Donaldsons Crossroads
- Donation
- Donegal
- Donegal, Borough of
- Donegal Heights
- Donegal Springs
- Donegal, Township of
- Donegal, Township of
- Donegal, Township of
- Donerville
- Donley
- Donnally Mills
- Donnelly
- Donnellytown
- Donner Crossroads
- Donohoe
- Donora
- Donora, Borough of
- Dooleyville
- Dora
- Dorlan
- Dormont
- Dormont, Borough of
- Dorneyville
- Dornsife
- Dorothy
- Dorrance
- Dorrance, Township of
- Dorset
- Dorseyville
- Dott
- Dotter
- Dotters Corners
- Dotyville
- Doubling Gap
- Dougherty
- Doughertys Mills
- Douglass
- Douglass, Township of
- Douglass, Township of
- Douglassville
- Douglassville (historical)
- Dover
- Dover, Borough of
- Dover, Township of
- Dowler Junction
- Dowley Corners
- Dowlin
- Downey
- Downieville
- Downingtown
- Downingtown, Borough of
- Downtown (subdivision)
- Doylesburg
- Doyles Mills
- Doylestown
- Doylestown
- Doylestown, Borough of
- Doylestown, Township of