| Nova Scotia Province Locator Citys, Towns, Villages, and Other beginning with the letter O |
| CITY/TOWN/ VILLAGE/ETC. | LOCATED IN THIS LOCATION | COUNTY |
| Oak Hill | Oak Hill | Lunenburg |
| Oak Island | Oak Island | Lunenburg |
| Oak Park | Oak Park | Shelburne |
| Oakland | Oakland | Lunenburg |
| Ogden | Ogden | Guysborough |
| Ogilvie | Ogilvie | Kings |
| Ohio | Ohio | Antigonish |
| Ohio | Ohio | Digby |
| Ohio | Ohio | Yarmouth |
| Old Barns | Old Barns | Colchester |
| Oldhaqm | Oldhaqm | Halifax |
| Oliver | Oliver | Colchester |
| Onslow | Onslow | Colchester |
| Orangedale | Orangedale | Inverness |
| Ostrea Lake | Ostrea Lake | Halifax |
| Otter Brook | Otter Brook | Colchester |
| Otter Lake | Otter Lake | Halifax |
| Outram | Outram | Annapolis |
| Overton | Overton | Yarmouth |
| Oxford | Oxford | Cumberland |
| Oxford Junction | Oxford Junction | Cumberland |