- Dryden
- Deep River
- Deseronto
- Dacre
- Dalhousie Lake
- Dalmeny
- Dalston
- Damascus
- Darlingside
- Davidsons Beach
- Davis Lock
- Davis Mills
- Dawn Valley
- Day Mills
- Dayton
- Daytown
- Deacon
- Dean Lake
- Deanlea Beach
- Dearlock
- Dee Bank
- Deep Bay
- Deer Bay
- Deer Lake
- Deerhurst
- Dejong
- Delamere Island
- Delaware
- Delaware West
- Delhi