- Daaquam
- Dagger Island
- Daigle
- Daigle Mill
- Dallas
- Damariscotta
- Damariscotta Mills
- Damariscotta-Newcastle
- Damariscove Island
- Damascus
- Dane Corner
- Danforth
- Daniels Island
- Danville
- Danville Corner
- Dark Harbor
- Darling Island
- David Island
- Davids Island
- Davis Corner
- Davis Island
- Davis Island
- Davis Town
- Days Ferry
- Days Mill
- Dayton
- Dayton Island
- Deadman Rock
- Deadmans Corner
- Deadwater