Places beginning with DU in Pennsylvania, United States
- Dublin
- Dublin, Borough of
- Dublin Mills
- Dublin, Township of
- Dublin, Township of
- Du Bois
- Du Bois, City of
- Duboistown
- Duboistown, Borough of
- Duckrun
- Dudley
- Dudley, Borough of
- Duff City
- Duffield
- Duffryn Mawr
- Dugan Hill
- Duke Center
- Dumas
- Dunbar
- Dunbar, Borough of
- Dunbar, Township of
- Duncan
- Duncannon
- Duncannon, Borough of
- Duncansville
- Duncansville, Borough of
- Duncan, Township of
- Duncott
- Dundaff
- Dundee
- Dundore
- Dungarvin
- Dunkard
- Dunkard, Township of
- Dunkelbergers
- Dunkle
- Dunlap
- Dunlap Creek Village
- Dunlevy
- Dunlevy, Borough of
- Dunlo
- Dunmore
- Dunmore, Borough of
- Dunning
- Dunningsville
- Dunningtown
- Dunnstable, Township of
- Dunnstown
- Dunring
- Dunsfort
- Dupont
- Dupont, Borough of
- Duquesne
- Duquesne, City of
- Duquesne Heights
- Durbin
- Durell
- Durham
- Durham Furnace
- Durham Hill Farms
- Durham, Township of
- Durlach
- Durward
- Duryea
- Duryea, Borough of
- Dushore
- Dushore, Borough of
- Dutch Corner
- Dutch Hill
- Dutch Hill
- Dutch Hill
- Dutchtown
- Dutotsburg (historical)
- Dutton Mill