| Ocean Township, NJ (Township) |
| Ocean Township, NJ (Township) |
| Ocean View, DE (Town) |
| Oceana, WV (Town) |
| Oceana County, MI (County) |
| Oceanport, NJ (Borough) |
| Oceanside, CA (City) |
| Oceola Township, MI (Township) |
| Ochelata, OK (Town) |
| Ocheyedan, IA (City) |
| Ocheyedan Township, IA (Township) |
| Ochiltree County, TX (County) |
| Ochlocknee, GA (Town) |
| Ocilla, GA (City) |
| Ocoee , FL (City) |
