| Oyster Bay Cove, NY (Village) |
| Oyster Creek, TX (City) |
| Ozan, AR (Town) |
| Ozark, AR (City) |
| Ozark, KS (Township) |
| Ozark, MO (Township) |
| Ozark, MO (Township) |
| Ozark, MO (City) |
| Ozark, AL (City) |
| Ozark County, MO (County) |
| Ozaukee County, WI (County) |
| Ozawkie, KS (City) |
| Ozawkie, KS (Township) |
| Pace, MS (Town) |
| Pachuta, MS (Town) |
