| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Natchaug (historical) | city | Connecticut | United States | 41.81 | -72.11 | 396 | |
| Naubuc (historical) | city | Connecticut | United States | 41.72 | -72.61 | 68 | |
| Naugatuck | city | Connecticut | United States | 41.49 | -73.05 | 298 | |
| Naugatuck Gardens | city | Connecticut | United States | 41.21 | -73.10 | 65 | |
| Naugatuck Junction | city | Connecticut | United States | 41.21 | -73.11 | 9 | |
| Nautilus Park | city | Connecticut | United States | 41.38 | -72.07 | 98 | |
| Nelsons Corner | city | Connecticut | United States | 41.95 | -73.05 | 830 | |
| Nepaug | city | Connecticut | United States | 41.83 | -73.00 | 830 | |
| Neptune Park | city | Connecticut | United States | 41.31 | -72.10 | 0 | |
| New Britain | city | Connecticut | United States | 41.66 | -72.78 | 127 | |
| New Canaan | city | Connecticut | United States | 41.15 | -73.49 | 232 | |
| New Fairfield | city | Connecticut | United States | 41.47 | -73.49 | 830 | |
| New Guinea (historical) | city | Connecticut | United States | 41.30 | -72.92 | 0 | |
| New Halville | city | Connecticut | United States | 41.29 | -72.95 | 16 | |
| New Hartford | city | Connecticut | United States | 41.88 | -72.98 | 400 | |
| New Hartford Center | city | Connecticut | United States | 41.88 | -72.98 | 400 | |
| New Haven | city | Connecticut | United States | 41.31 | -72.93 | 36 | |
| New London | city | Connecticut | United States | 41.36 | -72.10 | 9 | |
| New Milford | city | Connecticut | United States | 41.58 | -73.41 | 354 | |
| New Preston | city | Connecticut | United States | 41.68 | -73.35 | 830 | |
| Newberry Corner | city | Connecticut | United States | 41.79 | -73.14 | 830 | |
| Newent | city | Connecticut | United States | 41.60 | -72.02 | 298 | |
| Newfield | city | Connecticut | United States | 41.86 | -73.13 | 898 | |
| Newfield | city | Connecticut | United States | 41.18 | -73.17 | 3 | |
| Newfield | city | Connecticut | United States | 41.11 | -73.53 | 282 | |
| Newfield Heights | city | Connecticut | United States | 41.56 | -72.68 | 65 | |
| Newington | city | Connecticut | United States | 41.70 | -72.72 | 98 | |
| Newington Junction | city | Connecticut | United States | 41.71 | -72.74 | 68 | |
| Newtown | city | Connecticut | United States | 41.41 | -73.30 | 406 | |
| Niantic | city | Connecticut | United States | 41.33 | -72.19 | 0 | |
| Nichols | city | Connecticut | United States | 41.24 | -73.16 | 206 | |
| Ninevah (historical) | city | Connecticut | United States | 41.36 | -72.61 | 321 | |
| Noank | city | Connecticut | United States | 41.33 | -71.99 | 3 | |
| Norfolk | city | Connecticut | United States | 41.99 | -73.20 | 1669 | |
| Noroton | city | Connecticut | United States | 41.06 | -73.49 | 65 | |
| Noroton Heights | city | Connecticut | United States | 41.08 | -73.49 | 98 | |
| North Ashford | city | Connecticut | United States | 41.95 | -72.10 | 830 | |
| North Bloomfield | city | Connecticut | United States | 41.89 | -72.75 | 196 | |
| North Branford | city | Connecticut | United States | 41.33 | -72.77 | 98 | |
| North Canton | city | Connecticut | United States | 41.90 | -72.89 | 830 | |
| North Colebrook | city | Connecticut | United States | 42.02 | -73.11 | 1197 | |
| North Cornwall | city | Connecticut | United States | 41.87 | -73.31 | 1197 | |
| North Coventry | city | Connecticut | United States | 41.80 | -72.37 | 830 | |
| North Cromwell | city | Connecticut | United States | 41.61 | -72.64 | 62 | |
| North End | city | Connecticut | United States | 41.62 | -72.87 | 190 | |
| North Franklin | city | Connecticut | United States | 41.63 | -72.16 | 318 | |
| North Goshen | city | Connecticut | United States | 41.90 | -73.21 | 1669 | |
| North Granby | city | Connecticut | United States | 42.00 | -72.83 | 298 | |
| North Greenwich | city | Connecticut | United States | 41.10 | -73.69 | 830 | |
| North Grosvenor Dale | city | Connecticut | United States | 41.99 | -71.90 | 406 | |
| North Guilford | city | Connecticut | United States | 41.37 | -72.72 | 196 | |
| North Haven | city | Connecticut | United States | 41.39 | -72.86 | 45 | |
| North Haven Bridge | city | Connecticut | United States | 41.39 | -72.87 | 36 | |
| North Hollow | city | Connecticut | United States | 42.03 | -72.93 | 830 | |
| North Kent | city | Connecticut | United States | 41.77 | -73.43 | 830 | |
| North Lyme | city | Connecticut | United States | 41.41 | -72.34 | 137 | |
| North Madison | city | Connecticut | United States | 41.36 | -72.64 | 265 | |
| North Mianus | city | Connecticut | United States | 41.06 | -73.58 | 62 | |
| North Mianus | city | Connecticut | United States | 41.07 | -73.59 | 108 | |
| North Somers | city | Connecticut | United States | 42.02 | -72.45 | 223 | |
| North Stamford | city | Connecticut | United States | 41.14 | -73.54 | 239 | |
| North Stonington | city | Connecticut | United States | 41.44 | -71.88 | 164 | |
| North Thompsonville | city | Connecticut | United States | 42.02 | -72.59 | 95 | |
| North Westchester | city | Connecticut | United States | 41.58 | -72.40 | 278 | |
| North Wilton | city | Connecticut | United States | 41.21 | -73.47 | 830 | |
| North Windham | city | Connecticut | United States | 41.75 | -72.15 | 301 | |
| North Woodbury | city | Connecticut | United States | 41.55 | -73.21 | 298 | |
| North Woodstock | city | Connecticut | United States | 41.99 | -72.00 | 830 | |
| Northfield | city | Connecticut | United States | 41.69 | -73.11 | 830 | |
| Northfield | city | Connecticut | United States | 41.06 | -73.54 | 78 | |
| Northford | city | Connecticut | United States | 41.39 | -72.79 | 147 | |
| Northville | city | Connecticut | United States | 41.63 | -73.39 | 410 | |
| Norvolkas | city | Connecticut | United States | 41.12 | -73.41 | 65 | |
| Norwalk | city | Connecticut | United States | 41.12 | -73.41 | 65 | |
| Norwich | city | Connecticut | United States | 41.52 | -72.08 | 52 | |
| Norwichtown | city | Connecticut | United States | 41.55 | -72.11 | 127 | |
| Novus Portus | city | Connecticut | United States | 41.31 | -72.93 | 36 | |
| Nut Plains | city | Connecticut | United States | 41.32 | -72.68 | 78 |