- Damariscotta
- Danforth
- Deblois
- Deer Isle
- Dennistown
- Dennysville
- Dexter
- Dixfield
- Dixmont
- Dover-Foxcroft
- Dyer Brook
- Dedham
- Denmark
- Dallas
- Dayton
- Detroit
- Daaquam
- Dagger Island
- Daigle
- Daigle Mill
- Damariscotta Mills
- Damariscotta-Newcastle
- Damariscove Island
- Damascus
- Dane Corner
- Daniels Island
- Danville
- Danville Corner
- Dark Harbor
- Darling Island