| Diamond, IL (Village) |
| Diamond, MO (City) |
| Diamond Bar, CA (City) |
| Diamond Bluff Town, WI (Town) |
| Diamond City, AR (City) |
| Diamond Creek, KS (Township) |
| Diamond Hill Community Development District, FL (CDD) |
| Diamond Lake, MN (Township) |
| Diamond Lake Township, IA (Township) |
| Diamond Township, IA (Township) |
| Diamondville, WY (Town) |
| Diana, NY (Town) |
| Diana, SD (Township) |
| Diaz, AR (City) |
| Dibble, OK (Town) |
