- Downeyville
- Doyle
- Doyle Ferguson
- Dreamwold Heights
- Drew
- Drewersburg
- Drexel Gardens
- Driftwood Hills
- Duane Yards
- Dublin
- Dubois
- Dubois Crossroads
- Dudleytown
- Duff
- Dugger
- Duncan
- Dundee
- Dune Acres
- Dune Acres Station
- Duneland Beach
- Duneland Village of Gary
- Dunfee
- Dunkirk
- Dunlap
- Dunlapsville
- Dunn
- Dunn Mill
- Dunnington
- Dunns Bridge
- Dunreith