| Connecticut State Locator Citys, Towns, Villages, and Other beginning with the letter O |
| CITY/TOWN/ VILLAGE/ETC. |
LOCATED IN THIS TOWN |
COUNTY | STATE |
| Oakdale | Montville | New London | Connrcticut |
| Oakdale Manor | Southbury | New Haven | Connecticut |
| Oakland | Manchester | Hartford | Connecticut |
| Oakland Gardens | Farmington | Hartford | Connecticut |
| Oakville | Watertown | Litchfield | Connecticut |
| Obtuse Hill | Brookfield | Fairfield | Connecticut |
| Occum | Norwich | New London | Connrcticut |
| Old Greenwich | Greenwich | Fairfield | Connecticut |
| Old Lyme | Old Lyme | New London | Connrcticut |
| Old Lyme Shores | Old Lyme | New London | Connrcticut |
| Old Mystic | Stonington | New London | Connrcticut |
| Old Saybrook | Old Saybrook | Middlesex | Connecticut |
| Oneco | Sterling | Windham | Connecticut |
| Orange | Orange | New Haven | Connecticut |
| Orcutts | Stafford | Tolland | Connecticut |
| Ore Hill | Salisbury | Litchfield | Connecticut |
| Oronoke | Middlebury | New Haven | Connecticut |
| Oronoque | Stratford | Fairfield | Connecticut |
| Otter Cove Estates | Essex | Middlesex | Connecticut |
| Overlook | Waterbury | New Haven | Connecticut |
| Owenoke | Westport | Fairfield | Connecticut |
| Oxford | Oxford | New Haven | Connecticut |
| Ox Hill | Trumbull | Fairfield | Connecticut |