| Decker, IN (Township) |
| Decker Township, IL (Township) |
| Deckerville, MI (Village) |
| Declo, ID (City) |
| Decorah, IA (City) |
| Decorah Township, IA (Township) |
| Decordova, TX (City) |
| Decoria, MN (Township) |
| Dedham, IA (City) |
| Dedham, ME (Town) |
| Dedham, MA (Town) |
| Deemston, PA (Borough) |
| Deep Creek Township, IA (Township) |
| Deep River, CT (Town) |
| Deep River, ND (Township) |
