- Dubach
- Dubberly
- Duboin
- Dubuisson
- Duchamp
- Duck Creek Island
- Duckroost
- Dude's Trailer Park
- Dufresne
- Dugan Landing
- Dukedale
- Dulac
- Dumesnil
- Dunbarton
- Duncansby Towhead
- Dune Estates
- Dunlap
- Dunn
- Dunson Mobile Home Park
- Duplessis
- Dupont
- Dupont
- Duralde
- Dusenbury
- Duson
- Dutch Bayou
- Dutch Town
- Duty
- Duvic
- Dwight Fields