- De Ridder (Population: 9,808)
- Delcambre (Population: 2,168)
- Delhi (Population: 3,066)
- Denham Springs (Population: 8,757)
- DeQuincy (Population: 3,398)
- Des Allemands (Population: 2,500)
- Destrehan (Population: 11,260)
- Deville (Population: 1,007)
- Donaldsonville (Population: 7,605)
- Dulac (Population: 2,458)
- Duson (Population: 1,672)
