- Delcambre
- Denham Springs
- DeQuincy
- DeRidder
- Des Allemands
- Destrehan
- Dixie Inn
- Dodson
- Donaldsonville
- Downsville
- Doyline
- Dry Prong
- Dubach
- Dubberly
- Dulac
- Duson
- Deville
- Delhi
- Delta
- D'Arbonne
- D'Arbonne Hills
- Daigle's Mobile Park
- Dalcour
- Daniel Park
- Danks
- Danni Lane Mobile Home Park
- Danville
- Darbonne
- Darby
- Darley